RailMac at InnoTrans 2026 Berlin Hall8.1‑245. One‑stop rail components, rolling‑stock solutions, diesel‑to‑electric retrofit, semi‑solid‑state battery & mining truck swap‑charge station. Connect for global rail business & custom projects.
DCEC Generator Drive Engine
DCEC Cummins’s reliable and durable G-Drive diesel engine providing global G-OEMs with a cost-effective and fully integrated G-Drive product.
DCEC generator drive engines covering displacement from 3.9 to 13 liters, with power range from 22kW to 500kW.
To avoid mismatching problems and guarantee the outstanding performance of DCEC G-drive engines, all of DCEC G-drives engines are comes with complete power pack, which provide the engine, radiator and air filter as Coolpac for customer. Each parts of Coolpac have been designed and validated according to the CUMMINS standard. Ensure the customers can easy and quick to design and produce Gen-set with capable and reliable Coolpac components.
Integrated designed cooling radiator system greatly reduced the complexity of installation. The optimized cover of rotation unit at front of engine can prevent accidental injury effectively. Our product had passed strict vibration, thermal cycling and corrosion test, Dongfeng Cummins-DCEC G-drive engines can be used in all kinds of harsh environment like tropical, frigid zone, high altitude and high corrosion area.
Multiple configuration can be provided to fit different performance level of Gen-set. The mechanical governor advantage is safety, stability and low-cost, it can meet G1 level; The electronic governor and ECM advantage provide accurate speed control, it can meet G2 & G3 and even higher requirement.
Advantages of G-Drive Engine
Dongfeng Cummins-DCEC optimized the installation air filter system according to the engine structure, which reduced the outline dimension of Coolpac. Two filter to make sure that the filtration efficiency can reach 99.5%, it can avoid abnormal abrasion of the engine. Also we can provide the special type air filter system which can fit extreme applications, such as high altitude, dust or humidity.
Whether you need standby or emergency, continuous or prime power, you can rest assured there’s a DCEC Cummins G-Drive product to fit your application.
Find G-drive Engines by Series
This is the list of all series of DCEC Cummins G-drive engines.
Click here to find G-drive engines by type (Fuel System & Engine Speed).
4BT3.9 | 32-129 HP
SinoMac and RailMac: an integrated green-power value chain empowering the future of rail transit. Some auto components will age over time and bring safety risks if not replaced in time. This article introduces five key wearing parts including filters, brake system, tires, wipers and car battery, and reminds drivers to maintain and replace them on schedule. This article elaborates on core diesel engine knowledge, focusing on its spark plug-free ignition principle, complete four-stroke operating process, and compression auto-ignition combustion mechanism. It makes a comprehensive comparison between diesel and gasoline engines in terms of ignition modes, combustion principles and core performance characteristics. The article addresses common public questions, explaining the key reasons for diesel engines’ high torque output, heavy structure, black smoke emission, and limited popularity in family passenger cars. It also illustrates the inherent advantages of diesel engines for heavy-duty equipment and introduces advanced modern exhaust optimization technologies that effectively reduce diesel vehicle emissions. Covering diesel engines’ working principles, pros and cons, practical application scenarios and typical operating phenomena, this article clearly defines the differentiated positioning of the two engines: diesel engines excel at stable, high-load operation for engineering machinery, trucks and ships, while gasoline engines are more suitable for lightweight, quiet daily urban commuting. SinoMac 2027 Customer Interview Video: Since 2023, SinoMac has completed a series of interviews with multiple enterprises from different countries and regions. Most of the videos were shot at the customer companies and factories, and all the evaluations and feedback about SinoMac were collected, covering different industries in different countries and regions. We believe that this series of SinoMac customer interview videos can help all other customers have a deeper understanding of SinoMac. Our real customer interview cases can greatly help customers eliminate concerns and enhance their confidence in cooperating with SinoMac. EMAC 2027 Customer Interview Video: Since 2023, EMAC has completed a series of interviews with multiple enterprises from different countries and regions. Most of the videos were shot at the customer companies and factories, and all the evaluations and feedback about EMAC were collected, covering different industries in different countries and regions. We believe that this series of EMAC customer interview videos can help all other customers have a deeper understanding of EMAC. Our real customer interview cases can greatly help customers eliminate concerns and enhance their confidence in cooperating with EMAC. Hailed as the “Olympics” of the global maritime industry, Marintec China 2025 took place from December 2 to 5, 2025, at the Shanghai New International Expo Centre. Centered on the theme “Innovation and Cooperation for Sustainable Maritime Development,” this edition showcased cutting-edge technologies, innovative achievements, and sustainable pathways across the global maritime sector. It attracted over 2,000 exhibiting companies and tens of thousands of professional visitors from more than 100 countries and regions, highlighting China’s pivotal influence and open-cooperative stance within the global maritime industry. As one of the most influential mining exhibitions in Central Asia, the Kazakhstan International Mining, Exploration and Coal Processing Exhibition (Mining Week) was grandly held in Karaganda, Kazakhstan from June 24 to 26, 2025. Focused on the entire mining process, this exhibition showcased a concentrated display of technological innovations, equipment upgrades and green solutions-catering to the industry’s full-chain demands and serving as a premier platform for global mining players to showcase technologies, exchange experience and explore partnerships. Recently, the highly anticipated 2025 Vietnam International Maritime and Shipbuilding Exhibition concluded successfully at the Adora Convention Center in Ho Chi Minh City. As Vietnam’s largest and most specialized event in shipbuilding and maritime technology the exhibition gathered top shipbuilders, maritime service providers, and marine equipment manufacturers from around the world. SeaMac actively participated, comprehensively showcasing its innovative achievements and integrated capabilities in ship solutions and high-efficiency propulsion systems. The company engaged in extensive and in-depth exchanges with industry partners, achieving fruitful outcomes from its participation. Marintec China 2025, hailed as a “global trendsetter for the maritime industry,” will be held from December 2nd to 5th, 2025, at the Shanghai New International Expo Centre. The theme of this year’s exhibition is “Innovation and Cooperation for Sustainable Development of the Maritime Industry,” and the theme of the High-Level Maritime Forum is “Intelligent Navigation, Green Coexistence, Integration, and Innovation,” reflecting expectations for the industry’s future. SinoMac successfully participated in SAUDI RAIL 2025, the annual industry event held in Riyadh, Saudi Arabia, from October 19th to 20th, 2025. At the exhibition, SinoMac showcased its strong capabilities in railway technology, innovative solutions, and full lifecycle services, and engaged in in-depth exchanges with industry partners, customers, and experts from around the world to jointly explore future opportunities for rail transit development in the Middle East. From August 28 to 31, 2025, the highly anticipated PRO//Motion Expo 2025 (Russian International Railway and Motion Exhibition) grandly opened at the Russian Railway Museum in St. Petersburg. PRO//Motion Expo is currently the largest railway and transportation exhibition in Russia and the Commonwealth of Independent States (CIS), attracting extensive participation from railway companies from CIS countries and around the world. Over the four-day exhibition, exhibitors showcased cutting-edge technologies and innovative achievements in the railway transportation industry. Against the backdrop of the booming development of the global shipping and maritime industry, Vietnam International Maritime Expo 2025 (Marine & Offshore Vietnam) will be held in Ho Chi Minh City, Vietnam from 19th to 21st November. As one of the most influential maritime events in Southeast Asia, this exhibition brings together top enterprises and innovations in the fields of global shipbuilding, offshore engineering, port equipment, new energy ship technology, etc., and provides an international platform for industry colleagues to exchange and co-operate and explore the market. The International Exhibition of Engineering Machinery, Mining, and Concrete (Mining Indonesia) will be held in Jakarta, Indonesia, from September 17 to 20, 2025. As one of the most influential mining exhibitions in Southeast Asia, Mining Indonesia provides a professional platform for enterprises, experts, and practitioners in the global mining sector to showcase cutting-edge technologies, exchange industry insights, and explore collaborative opportunities. Rated Load (kg):13000 Rated Load (Kg):7500 Rated Load (Kg):8000 Rated Load (Kg):7000 Rated Load (Kg):6000 Rated Load (Kg):5000 Rated Load (Kg):7500 Rated Load (Kg):6500 Rated Load (Kg):5500 Rated Load (Kg):5000 Rated Load (Kg):5000 Rated Load (Kg):4500 Rated Load (Kg):4200 Rated Load (Kg):4200 Rated Load (Kg):3600 Rated Load (Kg):3500 Rated Load (Kg):3000 Rated Load (Kg):2700 Rated Load (Kg):3000 Rated Load (Kg):2700 Rated Load (Kg):2500 Rated Load (Kg):2500 Rated Load (Kg):2300 Rated Load (Kg):3900 Rated Load (kg):13000 Rated Load (kg):11000 Rated Load (kg):9500 Rated Load (kg):9000 Rated Load (kg):11000 Rated Load (kg):9500 Rated Load (kg):8500 Rated Load (kg):7500 Rated Load (Kg):4500 Rated Load (kg): 6500 Rated load (kg): 5500 Rated Load (Kg):3300 Rated Load (Kg):2700 Rated Load (Kg):8000 Rated Load (Kg):7000 Rated Load (Kg):6000 Rated Load (kg): 4200 Rated Load (Kg):5000 Rated load (kg): 5000 Rated Load (Kg):3600 Rated load (kg): 4000 Rated Load (Kg):3200
Empowering Global Rail with China’s Strong supply Chain: Meet Us in Berlin at Booth 8.1-245
China-built, powering global rail transit. We look forward to welcoming you at Hall 8.1 · Booth 245.
Do you know when to replace these car parts?
Why don’t diesel engines rely on spark plugs for ignition? They weren’t phased out of passenger cars; instead, they found a more suitable niche.
Egypt | Marine-Equipment Supplier Interview
A promise is a promise. SinoMac has always kept its word. For customer feedback, it is 100% the true words of the customers. SinoMac, a company you can trust!
Indonesia | Pump
SinoMac Makes Its Mark at Global Maritime Event—A Look Back at Marintec China 2025
SinoMac’s Presence at the 2025 Kazakhstan International Mining, Exploration & Coal Processing Exhibition
Review of SeaMac 2025 Vietnam International Maritime Ship Exhibition:Deeply connecting with the cutting-edge of the global maritime industry
Attending a Global Maritime Extravaganza, SinoMac will be showcasing at Marintec China 2025
Review SAUDI RAIL 2025 ：SinoMac Exhibition Highlights
![Deeply Cultivate the International Market, Empowering the Future of Rail ——Focus [PRO//Motion Expo 2025]: SinoMac Exhibition Highlights Review](https://dongfeng-dana.com/wp-content/uploads/2025/09/C201A70DE5F1963E42BD39B4995AD67B.webp)
Deeply Cultivate the International Market, Empowering the Future of Rail ——Focus [PRO//Motion Expo 2025]: SinoMac Exhibition Highlights Review
Focus on marine industry event, start a new chapter of marine development together–SinoMac Group Limited to exhibit at Marine & Offshore Vietnam 2025
SinoMac Group Limited made its debut at the 2025 Indonesia International Construction Machinery, Mining and Concrete Exhibition.
DF1301D-452 | Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1842 – 1898
Spring Distance B (mm):970 – 1030
Maximum Torque (N·m):40000
Speed Ratio Series:4.56 – 6.14
IF075-CD| Bus steering axle
Brake Structure Form/Specification:Air brake/22.5″
Maximum Outer Width A (mm):2408
Wheel Rim:6.25×22.5
Tire:295/80R22.5
Wheel Bolt:10 – M22×1.5
DF801S | Bus streeing axle
Brake Structure Form/Specification:Air brake/φ410×180、22.5″
Maximum Outer Width A (mm):2457 – 2503
Wheel Rim:9.00×22.5
Tire:315/80R22.5
Wheel Bolt:10 – M22×1.5
DF701S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×150、φ410×180、22.5″
Maximum Outer Width A (mm):2045 – 2645
Wheel Rim:8.25×22.5
Tire:275/70R22.5 – 18PR
Wheel Bolt:10 – M22×1.5
DF601S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×150、22.5″
Maximum Outer Width A (mm):2251 – 2538
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M22×1.5
DF501S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×130、 φ400×150、22.5″
Maximum Outer Width A (mm):2173 –2521
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M20×1.5
DF701S-D | Bus steering axle
Brake Structure Form/Specification: Air
brake/22.5″
Maximum Outer Width A (mm):2491
Wheel Rim:8.25×22.5
Tire:275/70R22.5
Wheel Bolt:10 – M22×1.5 DF651S-D | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×150、22.5″
Maximum Outer Width A (mm):2485–2504
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M22×1.5 DF551S-D | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×150、22.5″
Maximum Outer Width A (mm):2424–2510
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M22×1.5 DD502S | Bus steering axle
Brake Structure Form/Specification:Air brake/19.5″
Maximum Outer Width A (mm)：2363
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF501S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×130、φ400×150、22.5″
Maximum Outer Width A (mm):2173–2521
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M20×1.5 DF451S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×130、19.5″
Maximum Outer Width A (mm):2220–2342
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF421S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ360×130、φ400×130、19.5″
Maximum Outer Width A (mm):2205–2472
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5
DF421S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ360×130、φ400×130、19.5″
Maximum Outer Width A (mm):2205 – 2472
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF361S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ360×130、φ400×130、19.5″
Maximum Outer Width A (mm):2220 – 2342
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF351S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×130、φ400×130、17.5″/19.5″
Maximum Outer Width A (mm):2119 – 2290
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF302S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×120、φ310×130、17.5″
Maximum Outer Width A (mm):2053.5 – 2209
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF271S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×100、17.5″
Maximum Outer Width A (mm):1754 – 2468
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5
DF302S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×120、φ310×130、17.5″
Maximum Outer Width A (mm):2053.5 – 2209
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF271S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×100、17.5″
Maximum Outer Width A (mm):1754 – 2468
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF252S | Bus steering axle
Brake Structure Form/Specification:Oil brake/15″、16″
Maximum Outer Width A (mm):1824.5 – 2106
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:5 – M18×1.5
DF252S | Bus steering axle
Brake Structure Form/Specification:Oil brake/15″、 16″
Maximum Outer Width A (mm):1824.5 – 2106
Wheel Rim:17.5
Tire:215/75R17.5
Wheel Bolt:5 – M18×1.5 DF231S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×120、 φ320×100、 16″
Maximum Outer Width A (mm):1997 – 2093
Wheel Rim:6.0×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、 6 – M20×1.5
DD391S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×130、 19.5″
Maximum Outer Width A (mm):2233
Wheel Rim:6.25×22.5
Tire:295/80R22.5
Wheel Bolt:8 – M22×1.5
DF1301D-440/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1855-1886
Spring Distance B (mm):920-1030
Maximum Torque (N·m):35000
Speed Ratio Series:3.15-5.13 DF1101D-440/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1838-1892
Spring Distance B (mm):920-1036
Maximum Torque (N·m):35000
Speed Ratio Series:3.15-6.14 DD0951D-440/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1839-1896
Spring Distance B (mm):940-1030
Maximum Torque (N·m):30000
Speed Ratio Series:3.15-6.14
DF0901D-416/Bus Standard Axle
Axle Housing Section (mm):135×145
Rim Mounting Distance A (mm):1800-1880
Spring Distance B (mm):920-1040
Maximum Torque (N·m):24000
Speed Ratio Series:3.73-6.14
DD1101D-400/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1782-1886
Spring Distance B (mm):910-1040
Maximum Torque (N·m):30000
Speed Ratio Series:3.55-6.14 DD0951D-400/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1782-1886
Spring Distance B (mm):910-1040
Maximum Torque (N·m):30000
Speed Ratio Series:3.55-6.14
DD0801D-350/Bus Standard Axle
Axle Housing Section (mm):120×135
Rim Mounting Distance A (mm):1800-1860
Spring Distance B (mm):820×1010
Maximum Torque (N·m):20000
Speed Ratio Series:4.33 – 6.14 DD0701D-350/Bus Standard Axle
Axle Housing Section (mm):120×135
Rim Mounting Distance A (mm):1700-1800
Spring Distance B (mm):820-1010
Maximum Torque (N·m):20000
Speed Ratio Series:4.33 – 6.14
DF451S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×130、 19.5″
Maximum Outer Width A (mm):2220–2342
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5
DF0651D-310 | Bus Ordinary bridge
Axle Housing: Stamped and welded
Axle Housing Cross Section (mm): 110×120
Rim Mounting Distance (A): 1662-1800
Spring Distance (B): 890-1030
Maximum Torque (Nm): 12200-15000
Speed Ratio:3.58-6.14 DF0551D-310 | Bus Ordinary bridge
Axle Housing:Stamped and welded
Axle housing cross-section (mm): 110×120
Rim mounting distance A (mm): 1606.5 – 1800
Spring distance B (mm): 875 – 1012
Maximum torque (N·m): 12200 – 15000
Speed ratio range:3.58 – 6.14
DF331SD-360 | Steering axle
Brake Structure Form/Specification:Air brake/φ400×110
Maximum Outer Width A (mm):2252.5 – 2359
Wheel Rim:8.25 – 20
Tire:12.5R20
Wheel Bolt:10 – M20×1.5
DF271SD-305 | Steering axle
Brake Structure Form/Specification:Air brake/φ360×130
Maximum Outer Width A (mm):2014 – 2140
Wheel Rim:6×19.5
Tire:8R19.5
Wheel Bolt:6 – M20×1.5
DF801S | Steering axle
Brake Structure Form/Specification:Air brake/φ410×180、22.5″
Maximum Outer Width A (mm):2457 –2503
Wheel Rim:9.00×22.5
Tire:315/80R22.5
Wheel Bolt:10 – M22×1.5 DF701S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×150、 φ410×180、22.5″
Maximum Outer Width A (mm):2045 –2645
Wheel Rim:8.25×22.5
Tire:275/70R22.5
Wheel Bolt:10 – M22×1.5 DF601S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×150、22.5″
Maximum Outer Width A (mm):2251 –2538
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M22×1.5 DF0422D-310 | Bus Ordinary bridge
Axle Housing: Stamped and welded
Axle Housing Cross Section (mm): 102×102
Rim Mounting Distance (A): 1504.5-1670
Spring Distance (B): 875-952
Maximum Torque (Nm): 12200-15000
Speed Ratio: 3.58-6.14
DD502S | Steering axle
Brake Structure Form/Specification: Air
brake/19.5″
Maximum Outer Width A (mm):2363
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5
DF0502D-285 | Bus Ordinary bridge
Axle housing cross-section (mm): 102×110
Rim mounting distance A (mm): 1525 – 1688.5
Spring distance B (mm): 880 – 968
Maximum torque (N·m): 10000
Speed ratio range: 4.33-6.14
DF361S | Steering axle
Brake Structure Form/Specification:Air brake/φ360×130、 φ400×130、19.5″
Maximum Outer Width A (mm):2220–2342
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF0402D-285 | Bus Ordinary bridge
Axle housing cross-section (mm): 102×102
Rim mounting distance A (mm): 1582.5 – 1673
Spring distance B (mm): 892 – 952
Maximum torque (N·m): 10000
Speed ratio range: 4.33-6.14
DF321S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×130、 17.5″/19.5″
Maximum Outer Width A (mm):2180 – 2285
Wheel Rim:7.00T – 20
Tire:9.00 – 20 – 16PR
Wheel Bolt:8 – M20×1.5
6BT5.9 | 115-193 HP
RailMac at InnoTrans 2026 Berlin Hall8.1‑245. One‑stop rail components, rolling‑stock solutions, diesel‑to‑electric retrofit, semi‑solid‑state battery & mining truck swap‑charge station. Connect for global rail business & custom projects. SinoMac and RailMac: an integrated green-power value chain empowering the future of rail transit. Some auto components will age over time and bring safety risks if not replaced in time. This article introduces five key wearing parts including filters, brake system, tires, wipers and car battery, and reminds drivers to maintain and replace them on schedule. This article elaborates on core diesel engine knowledge, focusing on its spark plug-free ignition principle, complete four-stroke operating process, and compression auto-ignition combustion mechanism. It makes a comprehensive comparison between diesel and gasoline engines in terms of ignition modes, combustion principles and core performance characteristics. The article addresses common public questions, explaining the key reasons for diesel engines’ high torque output, heavy structure, black smoke emission, and limited popularity in family passenger cars. It also illustrates the inherent advantages of diesel engines for heavy-duty equipment and introduces advanced modern exhaust optimization technologies that effectively reduce diesel vehicle emissions. Covering diesel engines’ working principles, pros and cons, practical application scenarios and typical operating phenomena, this article clearly defines the differentiated positioning of the two engines: diesel engines excel at stable, high-load operation for engineering machinery, trucks and ships, while gasoline engines are more suitable for lightweight, quiet daily urban commuting. SinoMac 2027 Customer Interview Video: Since 2023, SinoMac has completed a series of interviews with multiple enterprises from different countries and regions. Most of the videos were shot at the customer companies and factories, and all the evaluations and feedback about SinoMac were collected, covering different industries in different countries and regions. We believe that this series of SinoMac customer interview videos can help all other customers have a deeper understanding of SinoMac. Our real customer interview cases can greatly help customers eliminate concerns and enhance their confidence in cooperating with SinoMac. EMAC 2027 Customer Interview Video: Since 2023, EMAC has completed a series of interviews with multiple enterprises from different countries and regions. Most of the videos were shot at the customer companies and factories, and all the evaluations and feedback about EMAC were collected, covering different industries in different countries and regions. We believe that this series of EMAC customer interview videos can help all other customers have a deeper understanding of EMAC. Our real customer interview cases can greatly help customers eliminate concerns and enhance their confidence in cooperating with EMAC. Hailed as the “Olympics” of the global maritime industry, Marintec China 2025 took place from December 2 to 5, 2025, at the Shanghai New International Expo Centre. Centered on the theme “Innovation and Cooperation for Sustainable Maritime Development,” this edition showcased cutting-edge technologies, innovative achievements, and sustainable pathways across the global maritime sector. It attracted over 2,000 exhibiting companies and tens of thousands of professional visitors from more than 100 countries and regions, highlighting China’s pivotal influence and open-cooperative stance within the global maritime industry. As one of the most influential mining exhibitions in Central Asia, the Kazakhstan International Mining, Exploration and Coal Processing Exhibition (Mining Week) was grandly held in Karaganda, Kazakhstan from June 24 to 26, 2025. Focused on the entire mining process, this exhibition showcased a concentrated display of technological innovations, equipment upgrades and green solutions-catering to the industry’s full-chain demands and serving as a premier platform for global mining players to showcase technologies, exchange experience and explore partnerships. Recently, the highly anticipated 2025 Vietnam International Maritime and Shipbuilding Exhibition concluded successfully at the Adora Convention Center in Ho Chi Minh City. As Vietnam’s largest and most specialized event in shipbuilding and maritime technology the exhibition gathered top shipbuilders, maritime service providers, and marine equipment manufacturers from around the world. SeaMac actively participated, comprehensively showcasing its innovative achievements and integrated capabilities in ship solutions and high-efficiency propulsion systems. The company engaged in extensive and in-depth exchanges with industry partners, achieving fruitful outcomes from its participation. Marintec China 2025, hailed as a “global trendsetter for the maritime industry,” will be held from December 2nd to 5th, 2025, at the Shanghai New International Expo Centre. The theme of this year’s exhibition is “Innovation and Cooperation for Sustainable Development of the Maritime Industry,” and the theme of the High-Level Maritime Forum is “Intelligent Navigation, Green Coexistence, Integration, and Innovation,” reflecting expectations for the industry’s future. SinoMac successfully participated in SAUDI RAIL 2025, the annual industry event held in Riyadh, Saudi Arabia, from October 19th to 20th, 2025. At the exhibition, SinoMac showcased its strong capabilities in railway technology, innovative solutions, and full lifecycle services, and engaged in in-depth exchanges with industry partners, customers, and experts from around the world to jointly explore future opportunities for rail transit development in the Middle East. From August 28 to 31, 2025, the highly anticipated PRO//Motion Expo 2025 (Russian International Railway and Motion Exhibition) grandly opened at the Russian Railway Museum in St. Petersburg. PRO//Motion Expo is currently the largest railway and transportation exhibition in Russia and the Commonwealth of Independent States (CIS), attracting extensive participation from railway companies from CIS countries and around the world. Over the four-day exhibition, exhibitors showcased cutting-edge technologies and innovative achievements in the railway transportation industry. Against the backdrop of the booming development of the global shipping and maritime industry, Vietnam International Maritime Expo 2025 (Marine & Offshore Vietnam) will be held in Ho Chi Minh City, Vietnam from 19th to 21st November. As one of the most influential maritime events in Southeast Asia, this exhibition brings together top enterprises and innovations in the fields of global shipbuilding, offshore engineering, port equipment, new energy ship technology, etc., and provides an international platform for industry colleagues to exchange and co-operate and explore the market. The International Exhibition of Engineering Machinery, Mining, and Concrete (Mining Indonesia) will be held in Jakarta, Indonesia, from September 17 to 20, 2025. As one of the most influential mining exhibitions in Southeast Asia, Mining Indonesia provides a professional platform for enterprises, experts, and practitioners in the global mining sector to showcase cutting-edge technologies, exchange industry insights, and explore collaborative opportunities. Rated Load (kg):13000 Rated Load (Kg):7500 Rated Load (Kg):8000 Rated Load (Kg):7000 Rated Load (Kg):6000 Rated Load (Kg):5000 Rated Load (Kg):7500 Rated Load (Kg):6500 Rated Load (Kg):5500 Rated Load (Kg):5000 Rated Load (Kg):5000 Rated Load (Kg):4500 Rated Load (Kg):4200 Rated Load (Kg):4200 Rated Load (Kg):3600 Rated Load (Kg):3500 Rated Load (Kg):3000 Rated Load (Kg):2700 Rated Load (Kg):3000 Rated Load (Kg):2700 Rated Load (Kg):2500 Rated Load (Kg):2500 Rated Load (Kg):2300 Rated Load (Kg):3900 Rated Load (kg):13000 Rated Load (kg):11000 Rated Load (kg):9500 Rated Load (kg):9000 Rated Load (kg):11000 Rated Load (kg):9500 Rated Load (kg):8500 Rated Load (kg):7500 Rated Load (Kg):4500 Rated Load (kg): 6500 Rated load (kg): 5500 Rated Load (Kg):3300 Rated Load (Kg):2700 Rated Load (Kg):8000 Rated Load (Kg):7000 Rated Load (Kg):6000 Rated Load (kg): 4200 Rated Load (Kg):5000 Rated load (kg): 5000 Rated Load (Kg):3600 Rated load (kg): 4000 Rated Load (Kg):3200 RailMac Brings Rail Components and Green Energy Solutions to InnoTrans 2026
Empowering Global Rail with China’s Strong supply Chain: Meet Us in Berlin at Booth 8.1-245
China-built, powering global rail transit. We look forward to welcoming you at Hall 8.1 · Booth 245. Do you know when to replace these car parts?
Why don’t diesel engines rely on spark plugs for ignition? They weren’t phased out of passenger cars; instead, they found a more suitable niche.
Egypt | Marine-Equipment Supplier Interview
A promise is a promise. SinoMac has always kept its word. For customer feedback, it is 100% the true words of the customers. SinoMac, a company you can trust! Indonesia | Pump
SinoMac Makes Its Mark at Global Maritime Event—A Look Back at Marintec China 2025
SinoMac’s Presence at the 2025 Kazakhstan International Mining, Exploration & Coal Processing Exhibition
Review of SeaMac 2025 Vietnam International Maritime Ship Exhibition:Deeply connecting with the cutting-edge of the global maritime industry
Attending a Global Maritime Extravaganza, SinoMac will be showcasing at Marintec China 2025
Review SAUDI RAIL 2025 ：SinoMac Exhibition Highlights
Deeply Cultivate the International Market, Empowering the Future of Rail ——Focus [PRO//Motion Expo 2025]: SinoMac Exhibition Highlights Review
Focus on marine industry event, start a new chapter of marine development together–SinoMac Group Limited to exhibit at Marine & Offshore Vietnam 2025
SinoMac Group Limited made its debut at the 2025 Indonesia International Construction Machinery, Mining and Concrete Exhibition.
DF1301D-452 | Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1842 – 1898
Spring Distance B (mm):970 – 1030
Maximum Torque (N·m):40000
Speed Ratio Series:4.56 – 6.14 IF075-CD| Bus steering axle
Brake Structure Form/Specification:Air brake/22.5″
Maximum Outer Width A (mm):2408
Wheel Rim:6.25×22.5
Tire:295/80R22.5
Wheel Bolt:10 – M22×1.5 DF801S | Bus streeing axle
Brake Structure Form/Specification:Air brake/φ410×180、22.5″
Maximum Outer Width A (mm):2457 – 2503
Wheel Rim:9.00×22.5
Tire:315/80R22.5
Wheel Bolt:10 – M22×1.5 DF701S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×150、φ410×180、22.5″
Maximum Outer Width A (mm):2045 – 2645
Wheel Rim:8.25×22.5
Tire:275/70R22.5 – 18PR
Wheel Bolt:10 – M22×1.5 DF601S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×150、22.5″
Maximum Outer Width A (mm):2251 – 2538
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M22×1.5 DF501S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×130、 φ400×150、22.5″
Maximum Outer Width A (mm):2173 –2521
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M20×1.5 DF701S-D | Bus steering axle
Brake Structure Form/Specification: Air
brake/22.5″
Maximum Outer Width A (mm):2491
Wheel Rim:8.25×22.5
Tire:275/70R22.5
Wheel Bolt:10 – M22×1.5 DF651S-D | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×150、22.5″
Maximum Outer Width A (mm):2485–2504
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M22×1.5 DF551S-D | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×150、22.5″
Maximum Outer Width A (mm):2424–2510
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M22×1.5 DD502S | Bus steering axle
Brake Structure Form/Specification:Air brake/19.5″
Maximum Outer Width A (mm)：2363
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF501S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×130、φ400×150、22.5″
Maximum Outer Width A (mm):2173–2521
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M20×1.5 DF451S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×130、19.5″
Maximum Outer Width A (mm):2220–2342
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF421S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ360×130、φ400×130、19.5″
Maximum Outer Width A (mm):2205–2472
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF421S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ360×130、φ400×130、19.5″
Maximum Outer Width A (mm):2205 – 2472
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF361S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ360×130、φ400×130、19.5″
Maximum Outer Width A (mm):2220 – 2342
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF351S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×130、φ400×130、17.5″/19.5″
Maximum Outer Width A (mm):2119 – 2290
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF302S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×120、φ310×130、17.5″
Maximum Outer Width A (mm):2053.5 – 2209
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF271S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×100、17.5″
Maximum Outer Width A (mm):1754 – 2468
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF302S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×120、φ310×130、17.5″
Maximum Outer Width A (mm):2053.5 – 2209
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF271S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×100、17.5″
Maximum Outer Width A (mm):1754 – 2468
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF252S | Bus steering axle
Brake Structure Form/Specification:Oil brake/15″、16″
Maximum Outer Width A (mm):1824.5 – 2106
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:5 – M18×1.5 DF252S | Bus steering axle
Brake Structure Form/Specification:Oil brake/15″、 16″
Maximum Outer Width A (mm):1824.5 – 2106
Wheel Rim:17.5
Tire:215/75R17.5
Wheel Bolt:5 – M18×1.5 DF231S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×120、 φ320×100、 16″
Maximum Outer Width A (mm):1997 – 2093
Wheel Rim:6.0×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、 6 – M20×1.5 DD391S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×130、 19.5″
Maximum Outer Width A (mm):2233
Wheel Rim:6.25×22.5
Tire:295/80R22.5
Wheel Bolt:8 – M22×1.5 DF1301D-440/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1855-1886
Spring Distance B (mm):920-1030
Maximum Torque (N·m):35000
Speed Ratio Series:3.15-5.13 DF1101D-440/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1838-1892
Spring Distance B (mm):920-1036
Maximum Torque (N·m):35000
Speed Ratio Series:3.15-6.14 DD0951D-440/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1839-1896
Spring Distance B (mm):940-1030
Maximum Torque (N·m):30000
Speed Ratio Series:3.15-6.14 DF0901D-416/Bus Standard Axle
Axle Housing Section (mm):135×145
Rim Mounting Distance A (mm):1800-1880
Spring Distance B (mm):920-1040
Maximum Torque (N·m):24000
Speed Ratio Series:3.73-6.14 DD1101D-400/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1782-1886
Spring Distance B (mm):910-1040
Maximum Torque (N·m):30000
Speed Ratio Series:3.55-6.14 DD0951D-400/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1782-1886
Spring Distance B (mm):910-1040
Maximum Torque (N·m):30000
Speed Ratio Series:3.55-6.14 DD0801D-350/Bus Standard Axle
Axle Housing Section (mm):120×135
Rim Mounting Distance A (mm):1800-1860
Spring Distance B (mm):820×1010
Maximum Torque (N·m):20000
Speed Ratio Series:4.33 – 6.14 DD0701D-350/Bus Standard Axle
Axle Housing Section (mm):120×135
Rim Mounting Distance A (mm):1700-1800
Spring Distance B (mm):820-1010
Maximum Torque (N·m):20000
Speed Ratio Series:4.33 – 6.14 DF451S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×130、 19.5″
Maximum Outer Width A (mm):2220–2342
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF0651D-310 | Bus Ordinary bridge
Axle Housing: Stamped and welded
Axle Housing Cross Section (mm): 110×120
Rim Mounting Distance (A): 1662-1800
Spring Distance (B): 890-1030
Maximum Torque (Nm): 12200-15000
Speed Ratio:3.58-6.14 DF0551D-310 | Bus Ordinary bridge
Axle Housing:Stamped and welded
Axle housing cross-section (mm): 110×120
Rim mounting distance A (mm): 1606.5 – 1800
Spring distance B (mm): 875 – 1012
Maximum torque (N·m): 12200 – 15000
Speed ratio range:3.58 – 6.14 DF331SD-360 | Steering axle
Brake Structure Form/Specification:Air brake/φ400×110
Maximum Outer Width A (mm):2252.5 – 2359
Wheel Rim:8.25 – 20
Tire:12.5R20
Wheel Bolt:10 – M20×1.5 DF271SD-305 | Steering axle
Brake Structure Form/Specification:Air brake/φ360×130
Maximum Outer Width A (mm):2014 – 2140
Wheel Rim:6×19.5
Tire:8R19.5
Wheel Bolt:6 – M20×1.5 DF801S | Steering axle
Brake Structure Form/Specification:Air brake/φ410×180、22.5″
Maximum Outer Width A (mm):2457 –2503
Wheel Rim:9.00×22.5
Tire:315/80R22.5
Wheel Bolt:10 – M22×1.5 DF701S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×150、 φ410×180、22.5″
Maximum Outer Width A (mm):2045 –2645
Wheel Rim:8.25×22.5
Tire:275/70R22.5
Wheel Bolt:10 – M22×1.5 DF601S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×150、22.5″
Maximum Outer Width A (mm):2251 –2538
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M22×1.5 DF0422D-310 | Bus Ordinary bridge
Axle Housing: Stamped and welded
Axle Housing Cross Section (mm): 102×102
Rim Mounting Distance (A): 1504.5-1670
Spring Distance (B): 875-952
Maximum Torque (Nm): 12200-15000
Speed Ratio: 3.58-6.14 DD502S | Steering axle
Brake Structure Form/Specification: Air
brake/19.5″
Maximum Outer Width A (mm):2363
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF0502D-285 | Bus Ordinary bridge
Axle housing cross-section (mm): 102×110
Rim mounting distance A (mm): 1525 – 1688.5
Spring distance B (mm): 880 – 968
Maximum torque (N·m): 10000
Speed ratio range: 4.33-6.14 DF361S | Steering axle
Brake Structure Form/Specification:Air brake/φ360×130、 φ400×130、19.5″
Maximum Outer Width A (mm):2220–2342
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF0402D-285 | Bus Ordinary bridge
Axle housing cross-section (mm): 102×102
Rim mounting distance A (mm): 1582.5 – 1673
Spring distance B (mm): 892 – 952
Maximum torque (N·m): 10000
Speed ratio range: 4.33-6.14 DF321S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×130、 17.5″/19.5″
Maximum Outer Width A (mm):2180 – 2285
Wheel Rim:7.00T – 20
Tire:9.00 – 20 – 16PR
Wheel Bolt:8 – M20×1.5
6CTA8.3 | 218-352 HP
RailMac at InnoTrans 2026 Berlin Hall8.1‑245. One‑stop rail components, rolling‑stock solutions, diesel‑to‑electric retrofit, semi‑solid‑state battery & mining truck swap‑charge station. Connect for global rail business & custom projects. SinoMac and RailMac: an integrated green-power value chain empowering the future of rail transit. Some auto components will age over time and bring safety risks if not replaced in time. This article introduces five key wearing parts including filters, brake system, tires, wipers and car battery, and reminds drivers to maintain and replace them on schedule. This article elaborates on core diesel engine knowledge, focusing on its spark plug-free ignition principle, complete four-stroke operating process, and compression auto-ignition combustion mechanism. It makes a comprehensive comparison between diesel and gasoline engines in terms of ignition modes, combustion principles and core performance characteristics. The article addresses common public questions, explaining the key reasons for diesel engines’ high torque output, heavy structure, black smoke emission, and limited popularity in family passenger cars. It also illustrates the inherent advantages of diesel engines for heavy-duty equipment and introduces advanced modern exhaust optimization technologies that effectively reduce diesel vehicle emissions. Covering diesel engines’ working principles, pros and cons, practical application scenarios and typical operating phenomena, this article clearly defines the differentiated positioning of the two engines: diesel engines excel at stable, high-load operation for engineering machinery, trucks and ships, while gasoline engines are more suitable for lightweight, quiet daily urban commuting. SinoMac 2027 Customer Interview Video: Since 2023, SinoMac has completed a series of interviews with multiple enterprises from different countries and regions. Most of the videos were shot at the customer companies and factories, and all the evaluations and feedback about SinoMac were collected, covering different industries in different countries and regions. We believe that this series of SinoMac customer interview videos can help all other customers have a deeper understanding of SinoMac. Our real customer interview cases can greatly help customers eliminate concerns and enhance their confidence in cooperating with SinoMac. EMAC 2027 Customer Interview Video: Since 2023, EMAC has completed a series of interviews with multiple enterprises from different countries and regions. Most of the videos were shot at the customer companies and factories, and all the evaluations and feedback about EMAC were collected, covering different industries in different countries and regions. We believe that this series of EMAC customer interview videos can help all other customers have a deeper understanding of EMAC. Our real customer interview cases can greatly help customers eliminate concerns and enhance their confidence in cooperating with EMAC. Hailed as the “Olympics” of the global maritime industry, Marintec China 2025 took place from December 2 to 5, 2025, at the Shanghai New International Expo Centre. Centered on the theme “Innovation and Cooperation for Sustainable Maritime Development,” this edition showcased cutting-edge technologies, innovative achievements, and sustainable pathways across the global maritime sector. It attracted over 2,000 exhibiting companies and tens of thousands of professional visitors from more than 100 countries and regions, highlighting China’s pivotal influence and open-cooperative stance within the global maritime industry. As one of the most influential mining exhibitions in Central Asia, the Kazakhstan International Mining, Exploration and Coal Processing Exhibition (Mining Week) was grandly held in Karaganda, Kazakhstan from June 24 to 26, 2025. Focused on the entire mining process, this exhibition showcased a concentrated display of technological innovations, equipment upgrades and green solutions-catering to the industry’s full-chain demands and serving as a premier platform for global mining players to showcase technologies, exchange experience and explore partnerships. Recently, the highly anticipated 2025 Vietnam International Maritime and Shipbuilding Exhibition concluded successfully at the Adora Convention Center in Ho Chi Minh City. As Vietnam’s largest and most specialized event in shipbuilding and maritime technology the exhibition gathered top shipbuilders, maritime service providers, and marine equipment manufacturers from around the world. SeaMac actively participated, comprehensively showcasing its innovative achievements and integrated capabilities in ship solutions and high-efficiency propulsion systems. The company engaged in extensive and in-depth exchanges with industry partners, achieving fruitful outcomes from its participation. Marintec China 2025, hailed as a “global trendsetter for the maritime industry,” will be held from December 2nd to 5th, 2025, at the Shanghai New International Expo Centre. The theme of this year’s exhibition is “Innovation and Cooperation for Sustainable Development of the Maritime Industry,” and the theme of the High-Level Maritime Forum is “Intelligent Navigation, Green Coexistence, Integration, and Innovation,” reflecting expectations for the industry’s future. SinoMac successfully participated in SAUDI RAIL 2025, the annual industry event held in Riyadh, Saudi Arabia, from October 19th to 20th, 2025. At the exhibition, SinoMac showcased its strong capabilities in railway technology, innovative solutions, and full lifecycle services, and engaged in in-depth exchanges with industry partners, customers, and experts from around the world to jointly explore future opportunities for rail transit development in the Middle East. From August 28 to 31, 2025, the highly anticipated PRO//Motion Expo 2025 (Russian International Railway and Motion Exhibition) grandly opened at the Russian Railway Museum in St. Petersburg. PRO//Motion Expo is currently the largest railway and transportation exhibition in Russia and the Commonwealth of Independent States (CIS), attracting extensive participation from railway companies from CIS countries and around the world. Over the four-day exhibition, exhibitors showcased cutting-edge technologies and innovative achievements in the railway transportation industry. Against the backdrop of the booming development of the global shipping and maritime industry, Vietnam International Maritime Expo 2025 (Marine & Offshore Vietnam) will be held in Ho Chi Minh City, Vietnam from 19th to 21st November. As one of the most influential maritime events in Southeast Asia, this exhibition brings together top enterprises and innovations in the fields of global shipbuilding, offshore engineering, port equipment, new energy ship technology, etc., and provides an international platform for industry colleagues to exchange and co-operate and explore the market. The International Exhibition of Engineering Machinery, Mining, and Concrete (Mining Indonesia) will be held in Jakarta, Indonesia, from September 17 to 20, 2025. As one of the most influential mining exhibitions in Southeast Asia, Mining Indonesia provides a professional platform for enterprises, experts, and practitioners in the global mining sector to showcase cutting-edge technologies, exchange industry insights, and explore collaborative opportunities. Rated Load (kg):13000 Rated Load (Kg):7500 Rated Load (Kg):8000 Rated Load (Kg):7000 Rated Load (Kg):6000 Rated Load (Kg):5000 Rated Load (Kg):7500 Rated Load (Kg):6500 Rated Load (Kg):5500 Rated Load (Kg):5000 Rated Load (Kg):5000 Rated Load (Kg):4500 Rated Load (Kg):4200 Rated Load (Kg):4200 Rated Load (Kg):3600 Rated Load (Kg):3500 Rated Load (Kg):3000 Rated Load (Kg):2700 Rated Load (Kg):3000 Rated Load (Kg):2700 Rated Load (Kg):2500 Rated Load (Kg):2500 Rated Load (Kg):2300 Rated Load (Kg):3900 Rated Load (kg):13000 Rated Load (kg):11000 Rated Load (kg):9500 Rated Load (kg):9000 Rated Load (kg):11000 Rated Load (kg):9500 Rated Load (kg):8500 Rated Load (kg):7500 Rated Load (Kg):4500 Rated Load (kg): 6500 Rated load (kg): 5500 Rated Load (Kg):3300 Rated Load (Kg):2700 Rated Load (Kg):8000 Rated Load (Kg):7000 Rated Load (Kg):6000 Rated Load (kg): 4200 Rated Load (Kg):5000 Rated load (kg): 5000 Rated Load (Kg):3600 Rated load (kg): 4000 Rated Load (Kg):3200 RailMac Brings Rail Components and Green Energy Solutions to InnoTrans 2026
Empowering Global Rail with China’s Strong supply Chain: Meet Us in Berlin at Booth 8.1-245
China-built, powering global rail transit. We look forward to welcoming you at Hall 8.1 · Booth 245. Do you know when to replace these car parts?
Why don’t diesel engines rely on spark plugs for ignition? They weren’t phased out of passenger cars; instead, they found a more suitable niche.
Egypt | Marine-Equipment Supplier Interview
A promise is a promise. SinoMac has always kept its word. For customer feedback, it is 100% the true words of the customers. SinoMac, a company you can trust! Indonesia | Pump
SinoMac Makes Its Mark at Global Maritime Event—A Look Back at Marintec China 2025
SinoMac’s Presence at the 2025 Kazakhstan International Mining, Exploration & Coal Processing Exhibition
Review of SeaMac 2025 Vietnam International Maritime Ship Exhibition:Deeply connecting with the cutting-edge of the global maritime industry
Attending a Global Maritime Extravaganza, SinoMac will be showcasing at Marintec China 2025
Review SAUDI RAIL 2025 ：SinoMac Exhibition Highlights
Deeply Cultivate the International Market, Empowering the Future of Rail ——Focus [PRO//Motion Expo 2025]: SinoMac Exhibition Highlights Review
Focus on marine industry event, start a new chapter of marine development together–SinoMac Group Limited to exhibit at Marine & Offshore Vietnam 2025
SinoMac Group Limited made its debut at the 2025 Indonesia International Construction Machinery, Mining and Concrete Exhibition.
DF1301D-452 | Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1842 – 1898
Spring Distance B (mm):970 – 1030
Maximum Torque (N·m):40000
Speed Ratio Series:4.56 – 6.14 IF075-CD| Bus steering axle
Brake Structure Form/Specification:Air brake/22.5″
Maximum Outer Width A (mm):2408
Wheel Rim:6.25×22.5
Tire:295/80R22.5
Wheel Bolt:10 – M22×1.5 DF801S | Bus streeing axle
Brake Structure Form/Specification:Air brake/φ410×180、22.5″
Maximum Outer Width A (mm):2457 – 2503
Wheel Rim:9.00×22.5
Tire:315/80R22.5
Wheel Bolt:10 – M22×1.5 DF701S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×150、φ410×180、22.5″
Maximum Outer Width A (mm):2045 – 2645
Wheel Rim:8.25×22.5
Tire:275/70R22.5 – 18PR
Wheel Bolt:10 – M22×1.5 DF601S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×150、22.5″
Maximum Outer Width A (mm):2251 – 2538
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M22×1.5 DF501S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×130、 φ400×150、22.5″
Maximum Outer Width A (mm):2173 –2521
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M20×1.5 DF701S-D | Bus steering axle
Brake Structure Form/Specification: Air
brake/22.5″
Maximum Outer Width A (mm):2491
Wheel Rim:8.25×22.5
Tire:275/70R22.5
Wheel Bolt:10 – M22×1.5 DF651S-D | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×150、22.5″
Maximum Outer Width A (mm):2485–2504
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M22×1.5 DF551S-D | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×150、22.5″
Maximum Outer Width A (mm):2424–2510
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M22×1.5 DD502S | Bus steering axle
Brake Structure Form/Specification:Air brake/19.5″
Maximum Outer Width A (mm)：2363
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF501S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×130、φ400×150、22.5″
Maximum Outer Width A (mm):2173–2521
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M20×1.5 DF451S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×130、19.5″
Maximum Outer Width A (mm):2220–2342
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF421S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ360×130、φ400×130、19.5″
Maximum Outer Width A (mm):2205–2472
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF421S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ360×130、φ400×130、19.5″
Maximum Outer Width A (mm):2205 – 2472
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF361S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ360×130、φ400×130、19.5″
Maximum Outer Width A (mm):2220 – 2342
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF351S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×130、φ400×130、17.5″/19.5″
Maximum Outer Width A (mm):2119 – 2290
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF302S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×120、φ310×130、17.5″
Maximum Outer Width A (mm):2053.5 – 2209
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF271S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×100、17.5″
Maximum Outer Width A (mm):1754 – 2468
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF302S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×120、φ310×130、17.5″
Maximum Outer Width A (mm):2053.5 – 2209
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF271S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×100、17.5″
Maximum Outer Width A (mm):1754 – 2468
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF252S | Bus steering axle
Brake Structure Form/Specification:Oil brake/15″、16″
Maximum Outer Width A (mm):1824.5 – 2106
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:5 – M18×1.5 DF252S | Bus steering axle
Brake Structure Form/Specification:Oil brake/15″、 16″
Maximum Outer Width A (mm):1824.5 – 2106
Wheel Rim:17.5
Tire:215/75R17.5
Wheel Bolt:5 – M18×1.5 DF231S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×120、 φ320×100、 16″
Maximum Outer Width A (mm):1997 – 2093
Wheel Rim:6.0×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、 6 – M20×1.5 DD391S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×130、 19.5″
Maximum Outer Width A (mm):2233
Wheel Rim:6.25×22.5
Tire:295/80R22.5
Wheel Bolt:8 – M22×1.5 DF1301D-440/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1855-1886
Spring Distance B (mm):920-1030
Maximum Torque (N·m):35000
Speed Ratio Series:3.15-5.13 DF1101D-440/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1838-1892
Spring Distance B (mm):920-1036
Maximum Torque (N·m):35000
Speed Ratio Series:3.15-6.14 DD0951D-440/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1839-1896
Spring Distance B (mm):940-1030
Maximum Torque (N·m):30000
Speed Ratio Series:3.15-6.14 DF0901D-416/Bus Standard Axle
Axle Housing Section (mm):135×145
Rim Mounting Distance A (mm):1800-1880
Spring Distance B (mm):920-1040
Maximum Torque (N·m):24000
Speed Ratio Series:3.73-6.14 DD1101D-400/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1782-1886
Spring Distance B (mm):910-1040
Maximum Torque (N·m):30000
Speed Ratio Series:3.55-6.14 DD0951D-400/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1782-1886
Spring Distance B (mm):910-1040
Maximum Torque (N·m):30000
Speed Ratio Series:3.55-6.14 DD0801D-350/Bus Standard Axle
Axle Housing Section (mm):120×135
Rim Mounting Distance A (mm):1800-1860
Spring Distance B (mm):820×1010
Maximum Torque (N·m):20000
Speed Ratio Series:4.33 – 6.14 DD0701D-350/Bus Standard Axle
Axle Housing Section (mm):120×135
Rim Mounting Distance A (mm):1700-1800
Spring Distance B (mm):820-1010
Maximum Torque (N·m):20000
Speed Ratio Series:4.33 – 6.14 DF451S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×130、 19.5″
Maximum Outer Width A (mm):2220–2342
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF0651D-310 | Bus Ordinary bridge
Axle Housing: Stamped and welded
Axle Housing Cross Section (mm): 110×120
Rim Mounting Distance (A): 1662-1800
Spring Distance (B): 890-1030
Maximum Torque (Nm): 12200-15000
Speed Ratio:3.58-6.14 DF0551D-310 | Bus Ordinary bridge
Axle Housing:Stamped and welded
Axle housing cross-section (mm): 110×120
Rim mounting distance A (mm): 1606.5 – 1800
Spring distance B (mm): 875 – 1012
Maximum torque (N·m): 12200 – 15000
Speed ratio range:3.58 – 6.14 DF331SD-360 | Steering axle
Brake Structure Form/Specification:Air brake/φ400×110
Maximum Outer Width A (mm):2252.5 – 2359
Wheel Rim:8.25 – 20
Tire:12.5R20
Wheel Bolt:10 – M20×1.5 DF271SD-305 | Steering axle
Brake Structure Form/Specification:Air brake/φ360×130
Maximum Outer Width A (mm):2014 – 2140
Wheel Rim:6×19.5
Tire:8R19.5
Wheel Bolt:6 – M20×1.5 DF801S | Steering axle
Brake Structure Form/Specification:Air brake/φ410×180、22.5″
Maximum Outer Width A (mm):2457 –2503
Wheel Rim:9.00×22.5
Tire:315/80R22.5
Wheel Bolt:10 – M22×1.5 DF701S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×150、 φ410×180、22.5″
Maximum Outer Width A (mm):2045 –2645
Wheel Rim:8.25×22.5
Tire:275/70R22.5
Wheel Bolt:10 – M22×1.5 DF601S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×150、22.5″
Maximum Outer Width A (mm):2251 –2538
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M22×1.5 DF0422D-310 | Bus Ordinary bridge
Axle Housing: Stamped and welded
Axle Housing Cross Section (mm): 102×102
Rim Mounting Distance (A): 1504.5-1670
Spring Distance (B): 875-952
Maximum Torque (Nm): 12200-15000
Speed Ratio: 3.58-6.14 DD502S | Steering axle
Brake Structure Form/Specification: Air
brake/19.5″
Maximum Outer Width A (mm):2363
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF0502D-285 | Bus Ordinary bridge
Axle housing cross-section (mm): 102×110
Rim mounting distance A (mm): 1525 – 1688.5
Spring distance B (mm): 880 – 968
Maximum torque (N·m): 10000
Speed ratio range: 4.33-6.14 DF361S | Steering axle
Brake Structure Form/Specification:Air brake/φ360×130、 φ400×130、19.5″
Maximum Outer Width A (mm):2220–2342
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF0402D-285 | Bus Ordinary bridge
Axle housing cross-section (mm): 102×102
Rim mounting distance A (mm): 1582.5 – 1673
Spring distance B (mm): 892 – 952
Maximum torque (N·m): 10000
Speed ratio range: 4.33-6.14 DF321S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×130、 17.5″/19.5″
Maximum Outer Width A (mm):2180 – 2285
Wheel Rim:7.00T – 20
Tire:9.00 – 20 – 16PR
Wheel Bolt:8 – M20×1.5
6LTAA8.9 | 295-342 HP
RailMac at InnoTrans 2026 Berlin Hall8.1‑245. One‑stop rail components, rolling‑stock solutions, diesel‑to‑electric retrofit, semi‑solid‑state battery & mining truck swap‑charge station. Connect for global rail business & custom projects. SinoMac and RailMac: an integrated green-power value chain empowering the future of rail transit. Some auto components will age over time and bring safety risks if not replaced in time. This article introduces five key wearing parts including filters, brake system, tires, wipers and car battery, and reminds drivers to maintain and replace them on schedule. This article elaborates on core diesel engine knowledge, focusing on its spark plug-free ignition principle, complete four-stroke operating process, and compression auto-ignition combustion mechanism. It makes a comprehensive comparison between diesel and gasoline engines in terms of ignition modes, combustion principles and core performance characteristics. The article addresses common public questions, explaining the key reasons for diesel engines’ high torque output, heavy structure, black smoke emission, and limited popularity in family passenger cars. It also illustrates the inherent advantages of diesel engines for heavy-duty equipment and introduces advanced modern exhaust optimization technologies that effectively reduce diesel vehicle emissions. Covering diesel engines’ working principles, pros and cons, practical application scenarios and typical operating phenomena, this article clearly defines the differentiated positioning of the two engines: diesel engines excel at stable, high-load operation for engineering machinery, trucks and ships, while gasoline engines are more suitable for lightweight, quiet daily urban commuting. SinoMac 2027 Customer Interview Video: Since 2023, SinoMac has completed a series of interviews with multiple enterprises from different countries and regions. Most of the videos were shot at the customer companies and factories, and all the evaluations and feedback about SinoMac were collected, covering different industries in different countries and regions. We believe that this series of SinoMac customer interview videos can help all other customers have a deeper understanding of SinoMac. Our real customer interview cases can greatly help customers eliminate concerns and enhance their confidence in cooperating with SinoMac. EMAC 2027 Customer Interview Video: Since 2023, EMAC has completed a series of interviews with multiple enterprises from different countries and regions. Most of the videos were shot at the customer companies and factories, and all the evaluations and feedback about EMAC were collected, covering different industries in different countries and regions. We believe that this series of EMAC customer interview videos can help all other customers have a deeper understanding of EMAC. Our real customer interview cases can greatly help customers eliminate concerns and enhance their confidence in cooperating with EMAC. Hailed as the “Olympics” of the global maritime industry, Marintec China 2025 took place from December 2 to 5, 2025, at the Shanghai New International Expo Centre. Centered on the theme “Innovation and Cooperation for Sustainable Maritime Development,” this edition showcased cutting-edge technologies, innovative achievements, and sustainable pathways across the global maritime sector. It attracted over 2,000 exhibiting companies and tens of thousands of professional visitors from more than 100 countries and regions, highlighting China’s pivotal influence and open-cooperative stance within the global maritime industry. As one of the most influential mining exhibitions in Central Asia, the Kazakhstan International Mining, Exploration and Coal Processing Exhibition (Mining Week) was grandly held in Karaganda, Kazakhstan from June 24 to 26, 2025. Focused on the entire mining process, this exhibition showcased a concentrated display of technological innovations, equipment upgrades and green solutions-catering to the industry’s full-chain demands and serving as a premier platform for global mining players to showcase technologies, exchange experience and explore partnerships. Recently, the highly anticipated 2025 Vietnam International Maritime and Shipbuilding Exhibition concluded successfully at the Adora Convention Center in Ho Chi Minh City. As Vietnam’s largest and most specialized event in shipbuilding and maritime technology the exhibition gathered top shipbuilders, maritime service providers, and marine equipment manufacturers from around the world. SeaMac actively participated, comprehensively showcasing its innovative achievements and integrated capabilities in ship solutions and high-efficiency propulsion systems. The company engaged in extensive and in-depth exchanges with industry partners, achieving fruitful outcomes from its participation. Marintec China 2025, hailed as a “global trendsetter for the maritime industry,” will be held from December 2nd to 5th, 2025, at the Shanghai New International Expo Centre. The theme of this year’s exhibition is “Innovation and Cooperation for Sustainable Development of the Maritime Industry,” and the theme of the High-Level Maritime Forum is “Intelligent Navigation, Green Coexistence, Integration, and Innovation,” reflecting expectations for the industry’s future. SinoMac successfully participated in SAUDI RAIL 2025, the annual industry event held in Riyadh, Saudi Arabia, from October 19th to 20th, 2025. At the exhibition, SinoMac showcased its strong capabilities in railway technology, innovative solutions, and full lifecycle services, and engaged in in-depth exchanges with industry partners, customers, and experts from around the world to jointly explore future opportunities for rail transit development in the Middle East. From August 28 to 31, 2025, the highly anticipated PRO//Motion Expo 2025 (Russian International Railway and Motion Exhibition) grandly opened at the Russian Railway Museum in St. Petersburg. PRO//Motion Expo is currently the largest railway and transportation exhibition in Russia and the Commonwealth of Independent States (CIS), attracting extensive participation from railway companies from CIS countries and around the world. Over the four-day exhibition, exhibitors showcased cutting-edge technologies and innovative achievements in the railway transportation industry. Against the backdrop of the booming development of the global shipping and maritime industry, Vietnam International Maritime Expo 2025 (Marine & Offshore Vietnam) will be held in Ho Chi Minh City, Vietnam from 19th to 21st November. As one of the most influential maritime events in Southeast Asia, this exhibition brings together top enterprises and innovations in the fields of global shipbuilding, offshore engineering, port equipment, new energy ship technology, etc., and provides an international platform for industry colleagues to exchange and co-operate and explore the market. The International Exhibition of Engineering Machinery, Mining, and Concrete (Mining Indonesia) will be held in Jakarta, Indonesia, from September 17 to 20, 2025. As one of the most influential mining exhibitions in Southeast Asia, Mining Indonesia provides a professional platform for enterprises, experts, and practitioners in the global mining sector to showcase cutting-edge technologies, exchange industry insights, and explore collaborative opportunities. Rated Load (kg):13000 Rated Load (Kg):7500 Rated Load (Kg):8000 Rated Load (Kg):7000 Rated Load (Kg):6000 Rated Load (Kg):5000 Rated Load (Kg):7500 Rated Load (Kg):6500 Rated Load (Kg):5500 Rated Load (Kg):5000 Rated Load (Kg):5000 Rated Load (Kg):4500 Rated Load (Kg):4200 Rated Load (Kg):4200 Rated Load (Kg):3600 Rated Load (Kg):3500 Rated Load (Kg):3000 Rated Load (Kg):2700 Rated Load (Kg):3000 Rated Load (Kg):2700 Rated Load (Kg):2500 Rated Load (Kg):2500 Rated Load (Kg):2300 Rated Load (Kg):3900 Rated Load (kg):13000 Rated Load (kg):11000 Rated Load (kg):9500 Rated Load (kg):9000 Rated Load (kg):11000 Rated Load (kg):9500 Rated Load (kg):8500 Rated Load (kg):7500 Rated Load (Kg):4500 Rated Load (kg): 6500 Rated load (kg): 5500 Rated Load (Kg):3300 Rated Load (Kg):2700 Rated Load (Kg):8000 Rated Load (Kg):7000 Rated Load (Kg):6000 Rated Load (kg): 4200 Rated Load (Kg):5000 Rated load (kg): 5000 Rated Load (Kg):3600 Rated load (kg): 4000 Rated Load (Kg):3200 RailMac Brings Rail Components and Green Energy Solutions to InnoTrans 2026
Empowering Global Rail with China’s Strong supply Chain: Meet Us in Berlin at Booth 8.1-245
China-built, powering global rail transit. We look forward to welcoming you at Hall 8.1 · Booth 245. Do you know when to replace these car parts?
Why don’t diesel engines rely on spark plugs for ignition? They weren’t phased out of passenger cars; instead, they found a more suitable niche.
Egypt | Marine-Equipment Supplier Interview
A promise is a promise. SinoMac has always kept its word. For customer feedback, it is 100% the true words of the customers. SinoMac, a company you can trust! Indonesia | Pump
SinoMac Makes Its Mark at Global Maritime Event—A Look Back at Marintec China 2025
SinoMac’s Presence at the 2025 Kazakhstan International Mining, Exploration & Coal Processing Exhibition
Review of SeaMac 2025 Vietnam International Maritime Ship Exhibition:Deeply connecting with the cutting-edge of the global maritime industry
Attending a Global Maritime Extravaganza, SinoMac will be showcasing at Marintec China 2025
Review SAUDI RAIL 2025 ：SinoMac Exhibition Highlights
Deeply Cultivate the International Market, Empowering the Future of Rail ——Focus [PRO//Motion Expo 2025]: SinoMac Exhibition Highlights Review
Focus on marine industry event, start a new chapter of marine development together–SinoMac Group Limited to exhibit at Marine & Offshore Vietnam 2025
SinoMac Group Limited made its debut at the 2025 Indonesia International Construction Machinery, Mining and Concrete Exhibition.
DF1301D-452 | Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1842 – 1898
Spring Distance B (mm):970 – 1030
Maximum Torque (N·m):40000
Speed Ratio Series:4.56 – 6.14 IF075-CD| Bus steering axle
Brake Structure Form/Specification:Air brake/22.5″
Maximum Outer Width A (mm):2408
Wheel Rim:6.25×22.5
Tire:295/80R22.5
Wheel Bolt:10 – M22×1.5 DF801S | Bus streeing axle
Brake Structure Form/Specification:Air brake/φ410×180、22.5″
Maximum Outer Width A (mm):2457 – 2503
Wheel Rim:9.00×22.5
Tire:315/80R22.5
Wheel Bolt:10 – M22×1.5 DF701S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×150、φ410×180、22.5″
Maximum Outer Width A (mm):2045 – 2645
Wheel Rim:8.25×22.5
Tire:275/70R22.5 – 18PR
Wheel Bolt:10 – M22×1.5 DF601S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×150、22.5″
Maximum Outer Width A (mm):2251 – 2538
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M22×1.5 DF501S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×130、 φ400×150、22.5″
Maximum Outer Width A (mm):2173 –2521
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M20×1.5 DF701S-D | Bus steering axle
Brake Structure Form/Specification: Air
brake/22.5″
Maximum Outer Width A (mm):2491
Wheel Rim:8.25×22.5
Tire:275/70R22.5
Wheel Bolt:10 – M22×1.5 DF651S-D | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×150、22.5″
Maximum Outer Width A (mm):2485–2504
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M22×1.5 DF551S-D | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×150、22.5″
Maximum Outer Width A (mm):2424–2510
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M22×1.5 DD502S | Bus steering axle
Brake Structure Form/Specification:Air brake/19.5″
Maximum Outer Width A (mm)：2363
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF501S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×130、φ400×150、22.5″
Maximum Outer Width A (mm):2173–2521
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M20×1.5 DF451S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×130、19.5″
Maximum Outer Width A (mm):2220–2342
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF421S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ360×130、φ400×130、19.5″
Maximum Outer Width A (mm):2205–2472
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF421S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ360×130、φ400×130、19.5″
Maximum Outer Width A (mm):2205 – 2472
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF361S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ360×130、φ400×130、19.5″
Maximum Outer Width A (mm):2220 – 2342
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF351S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×130、φ400×130、17.5″/19.5″
Maximum Outer Width A (mm):2119 – 2290
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF302S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×120、φ310×130、17.5″
Maximum Outer Width A (mm):2053.5 – 2209
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF271S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×100、17.5″
Maximum Outer Width A (mm):1754 – 2468
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF302S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×120、φ310×130、17.5″
Maximum Outer Width A (mm):2053.5 – 2209
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF271S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×100、17.5″
Maximum Outer Width A (mm):1754 – 2468
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF252S | Bus steering axle
Brake Structure Form/Specification:Oil brake/15″、16″
Maximum Outer Width A (mm):1824.5 – 2106
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:5 – M18×1.5 DF252S | Bus steering axle
Brake Structure Form/Specification:Oil brake/15″、 16″
Maximum Outer Width A (mm):1824.5 – 2106
Wheel Rim:17.5
Tire:215/75R17.5
Wheel Bolt:5 – M18×1.5 DF231S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×120、 φ320×100、 16″
Maximum Outer Width A (mm):1997 – 2093
Wheel Rim:6.0×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、 6 – M20×1.5 DD391S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×130、 19.5″
Maximum Outer Width A (mm):2233
Wheel Rim:6.25×22.5
Tire:295/80R22.5
Wheel Bolt:8 – M22×1.5 DF1301D-440/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1855-1886
Spring Distance B (mm):920-1030
Maximum Torque (N·m):35000
Speed Ratio Series:3.15-5.13 DF1101D-440/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1838-1892
Spring Distance B (mm):920-1036
Maximum Torque (N·m):35000
Speed Ratio Series:3.15-6.14 DD0951D-440/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1839-1896
Spring Distance B (mm):940-1030
Maximum Torque (N·m):30000
Speed Ratio Series:3.15-6.14 DF0901D-416/Bus Standard Axle
Axle Housing Section (mm):135×145
Rim Mounting Distance A (mm):1800-1880
Spring Distance B (mm):920-1040
Maximum Torque (N·m):24000
Speed Ratio Series:3.73-6.14 DD1101D-400/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1782-1886
Spring Distance B (mm):910-1040
Maximum Torque (N·m):30000
Speed Ratio Series:3.55-6.14 DD0951D-400/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1782-1886
Spring Distance B (mm):910-1040
Maximum Torque (N·m):30000
Speed Ratio Series:3.55-6.14 DD0801D-350/Bus Standard Axle
Axle Housing Section (mm):120×135
Rim Mounting Distance A (mm):1800-1860
Spring Distance B (mm):820×1010
Maximum Torque (N·m):20000
Speed Ratio Series:4.33 – 6.14 DD0701D-350/Bus Standard Axle
Axle Housing Section (mm):120×135
Rim Mounting Distance A (mm):1700-1800
Spring Distance B (mm):820-1010
Maximum Torque (N·m):20000
Speed Ratio Series:4.33 – 6.14 DF451S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×130、 19.5″
Maximum Outer Width A (mm):2220–2342
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF0651D-310 | Bus Ordinary bridge
Axle Housing: Stamped and welded
Axle Housing Cross Section (mm): 110×120
Rim Mounting Distance (A): 1662-1800
Spring Distance (B): 890-1030
Maximum Torque (Nm): 12200-15000
Speed Ratio:3.58-6.14 DF0551D-310 | Bus Ordinary bridge
Axle Housing:Stamped and welded
Axle housing cross-section (mm): 110×120
Rim mounting distance A (mm): 1606.5 – 1800
Spring distance B (mm): 875 – 1012
Maximum torque (N·m): 12200 – 15000
Speed ratio range:3.58 – 6.14 DF331SD-360 | Steering axle
Brake Structure Form/Specification:Air brake/φ400×110
Maximum Outer Width A (mm):2252.5 – 2359
Wheel Rim:8.25 – 20
Tire:12.5R20
Wheel Bolt:10 – M20×1.5 DF271SD-305 | Steering axle
Brake Structure Form/Specification:Air brake/φ360×130
Maximum Outer Width A (mm):2014 – 2140
Wheel Rim:6×19.5
Tire:8R19.5
Wheel Bolt:6 – M20×1.5 DF801S | Steering axle
Brake Structure Form/Specification:Air brake/φ410×180、22.5″
Maximum Outer Width A (mm):2457 –2503
Wheel Rim:9.00×22.5
Tire:315/80R22.5
Wheel Bolt:10 – M22×1.5 DF701S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×150、 φ410×180、22.5″
Maximum Outer Width A (mm):2045 –2645
Wheel Rim:8.25×22.5
Tire:275/70R22.5
Wheel Bolt:10 – M22×1.5 DF601S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×150、22.5″
Maximum Outer Width A (mm):2251 –2538
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M22×1.5 DF0422D-310 | Bus Ordinary bridge
Axle Housing: Stamped and welded
Axle Housing Cross Section (mm): 102×102
Rim Mounting Distance (A): 1504.5-1670
Spring Distance (B): 875-952
Maximum Torque (Nm): 12200-15000
Speed Ratio: 3.58-6.14 DD502S | Steering axle
Brake Structure Form/Specification: Air
brake/19.5″
Maximum Outer Width A (mm):2363
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF0502D-285 | Bus Ordinary bridge
Axle housing cross-section (mm): 102×110
Rim mounting distance A (mm): 1525 – 1688.5
Spring distance B (mm): 880 – 968
Maximum torque (N·m): 10000
Speed ratio range: 4.33-6.14 DF361S | Steering axle
Brake Structure Form/Specification:Air brake/φ360×130、 φ400×130、19.5″
Maximum Outer Width A (mm):2220–2342
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF0402D-285 | Bus Ordinary bridge
Axle housing cross-section (mm): 102×102
Rim mounting distance A (mm): 1582.5 – 1673
Spring distance B (mm): 892 – 952
Maximum torque (N·m): 10000
Speed ratio range: 4.33-6.14 DF321S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×130、 17.5″/19.5″
Maximum Outer Width A (mm):2180 – 2285
Wheel Rim:7.00T – 20
Tire:9.00 – 20 – 16PR
Wheel Bolt:8 – M20×1.5
6LTAA9.5 | 335-389 HP
RailMac at InnoTrans 2026 Berlin Hall8.1‑245. One‑stop rail components, rolling‑stock solutions, diesel‑to‑electric retrofit, semi‑solid‑state battery & mining truck swap‑charge station. Connect for global rail business & custom projects. SinoMac and RailMac: an integrated green-power value chain empowering the future of rail transit. Some auto components will age over time and bring safety risks if not replaced in time. This article introduces five key wearing parts including filters, brake system, tires, wipers and car battery, and reminds drivers to maintain and replace them on schedule. This article elaborates on core diesel engine knowledge, focusing on its spark plug-free ignition principle, complete four-stroke operating process, and compression auto-ignition combustion mechanism. It makes a comprehensive comparison between diesel and gasoline engines in terms of ignition modes, combustion principles and core performance characteristics. The article addresses common public questions, explaining the key reasons for diesel engines’ high torque output, heavy structure, black smoke emission, and limited popularity in family passenger cars. It also illustrates the inherent advantages of diesel engines for heavy-duty equipment and introduces advanced modern exhaust optimization technologies that effectively reduce diesel vehicle emissions. Covering diesel engines’ working principles, pros and cons, practical application scenarios and typical operating phenomena, this article clearly defines the differentiated positioning of the two engines: diesel engines excel at stable, high-load operation for engineering machinery, trucks and ships, while gasoline engines are more suitable for lightweight, quiet daily urban commuting. SinoMac 2027 Customer Interview Video: Since 2023, SinoMac has completed a series of interviews with multiple enterprises from different countries and regions. Most of the videos were shot at the customer companies and factories, and all the evaluations and feedback about SinoMac were collected, covering different industries in different countries and regions. We believe that this series of SinoMac customer interview videos can help all other customers have a deeper understanding of SinoMac. Our real customer interview cases can greatly help customers eliminate concerns and enhance their confidence in cooperating with SinoMac. EMAC 2027 Customer Interview Video: Since 2023, EMAC has completed a series of interviews with multiple enterprises from different countries and regions. Most of the videos were shot at the customer companies and factories, and all the evaluations and feedback about EMAC were collected, covering different industries in different countries and regions. We believe that this series of EMAC customer interview videos can help all other customers have a deeper understanding of EMAC. Our real customer interview cases can greatly help customers eliminate concerns and enhance their confidence in cooperating with EMAC. Hailed as the “Olympics” of the global maritime industry, Marintec China 2025 took place from December 2 to 5, 2025, at the Shanghai New International Expo Centre. Centered on the theme “Innovation and Cooperation for Sustainable Maritime Development,” this edition showcased cutting-edge technologies, innovative achievements, and sustainable pathways across the global maritime sector. It attracted over 2,000 exhibiting companies and tens of thousands of professional visitors from more than 100 countries and regions, highlighting China’s pivotal influence and open-cooperative stance within the global maritime industry. As one of the most influential mining exhibitions in Central Asia, the Kazakhstan International Mining, Exploration and Coal Processing Exhibition (Mining Week) was grandly held in Karaganda, Kazakhstan from June 24 to 26, 2025. Focused on the entire mining process, this exhibition showcased a concentrated display of technological innovations, equipment upgrades and green solutions-catering to the industry’s full-chain demands and serving as a premier platform for global mining players to showcase technologies, exchange experience and explore partnerships. Recently, the highly anticipated 2025 Vietnam International Maritime and Shipbuilding Exhibition concluded successfully at the Adora Convention Center in Ho Chi Minh City. As Vietnam’s largest and most specialized event in shipbuilding and maritime technology the exhibition gathered top shipbuilders, maritime service providers, and marine equipment manufacturers from around the world. SeaMac actively participated, comprehensively showcasing its innovative achievements and integrated capabilities in ship solutions and high-efficiency propulsion systems. The company engaged in extensive and in-depth exchanges with industry partners, achieving fruitful outcomes from its participation. Marintec China 2025, hailed as a “global trendsetter for the maritime industry,” will be held from December 2nd to 5th, 2025, at the Shanghai New International Expo Centre. The theme of this year’s exhibition is “Innovation and Cooperation for Sustainable Development of the Maritime Industry,” and the theme of the High-Level Maritime Forum is “Intelligent Navigation, Green Coexistence, Integration, and Innovation,” reflecting expectations for the industry’s future. SinoMac successfully participated in SAUDI RAIL 2025, the annual industry event held in Riyadh, Saudi Arabia, from October 19th to 20th, 2025. At the exhibition, SinoMac showcased its strong capabilities in railway technology, innovative solutions, and full lifecycle services, and engaged in in-depth exchanges with industry partners, customers, and experts from around the world to jointly explore future opportunities for rail transit development in the Middle East. From August 28 to 31, 2025, the highly anticipated PRO//Motion Expo 2025 (Russian International Railway and Motion Exhibition) grandly opened at the Russian Railway Museum in St. Petersburg. PRO//Motion Expo is currently the largest railway and transportation exhibition in Russia and the Commonwealth of Independent States (CIS), attracting extensive participation from railway companies from CIS countries and around the world. Over the four-day exhibition, exhibitors showcased cutting-edge technologies and innovative achievements in the railway transportation industry. Against the backdrop of the booming development of the global shipping and maritime industry, Vietnam International Maritime Expo 2025 (Marine & Offshore Vietnam) will be held in Ho Chi Minh City, Vietnam from 19th to 21st November. As one of the most influential maritime events in Southeast Asia, this exhibition brings together top enterprises and innovations in the fields of global shipbuilding, offshore engineering, port equipment, new energy ship technology, etc., and provides an international platform for industry colleagues to exchange and co-operate and explore the market. The International Exhibition of Engineering Machinery, Mining, and Concrete (Mining Indonesia) will be held in Jakarta, Indonesia, from September 17 to 20, 2025. As one of the most influential mining exhibitions in Southeast Asia, Mining Indonesia provides a professional platform for enterprises, experts, and practitioners in the global mining sector to showcase cutting-edge technologies, exchange industry insights, and explore collaborative opportunities. Rated Load (kg):13000 Rated Load (Kg):7500 Rated Load (Kg):8000 Rated Load (Kg):7000 Rated Load (Kg):6000 Rated Load (Kg):5000 Rated Load (Kg):7500 Rated Load (Kg):6500 Rated Load (Kg):5500 Rated Load (Kg):5000 Rated Load (Kg):5000 Rated Load (Kg):4500 Rated Load (Kg):4200 Rated Load (Kg):4200 Rated Load (Kg):3600 Rated Load (Kg):3500 Rated Load (Kg):3000 Rated Load (Kg):2700 Rated Load (Kg):3000 Rated Load (Kg):2700 Rated Load (Kg):2500 Rated Load (Kg):2500 Rated Load (Kg):2300 Rated Load (Kg):3900 Rated Load (kg):13000 Rated Load (kg):11000 Rated Load (kg):9500 Rated Load (kg):9000 Rated Load (kg):11000 Rated Load (kg):9500 Rated Load (kg):8500 Rated Load (kg):7500 Rated Load (Kg):4500 Rated Load (kg): 6500 Rated load (kg): 5500 Rated Load (Kg):3300 Rated Load (Kg):2700 Rated Load (Kg):8000 Rated Load (Kg):7000 Rated Load (Kg):6000 Rated Load (kg): 4200 Rated Load (Kg):5000 Rated load (kg): 5000 Rated Load (Kg):3600 Rated load (kg): 4000 Rated Load (Kg):3200 RailMac Brings Rail Components and Green Energy Solutions to InnoTrans 2026
Empowering Global Rail with China’s Strong supply Chain: Meet Us in Berlin at Booth 8.1-245
China-built, powering global rail transit. We look forward to welcoming you at Hall 8.1 · Booth 245. Do you know when to replace these car parts?
Why don’t diesel engines rely on spark plugs for ignition? They weren’t phased out of passenger cars; instead, they found a more suitable niche.
Egypt | Marine-Equipment Supplier Interview
A promise is a promise. SinoMac has always kept its word. For customer feedback, it is 100% the true words of the customers. SinoMac, a company you can trust! Indonesia | Pump
SinoMac Makes Its Mark at Global Maritime Event—A Look Back at Marintec China 2025
SinoMac’s Presence at the 2025 Kazakhstan International Mining, Exploration & Coal Processing Exhibition
Review of SeaMac 2025 Vietnam International Maritime Ship Exhibition:Deeply connecting with the cutting-edge of the global maritime industry
Attending a Global Maritime Extravaganza, SinoMac will be showcasing at Marintec China 2025
Review SAUDI RAIL 2025 ：SinoMac Exhibition Highlights
Deeply Cultivate the International Market, Empowering the Future of Rail ——Focus [PRO//Motion Expo 2025]: SinoMac Exhibition Highlights Review
Focus on marine industry event, start a new chapter of marine development together–SinoMac Group Limited to exhibit at Marine & Offshore Vietnam 2025
SinoMac Group Limited made its debut at the 2025 Indonesia International Construction Machinery, Mining and Concrete Exhibition.
DF1301D-452 | Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1842 – 1898
Spring Distance B (mm):970 – 1030
Maximum Torque (N·m):40000
Speed Ratio Series:4.56 – 6.14 IF075-CD| Bus steering axle
Brake Structure Form/Specification:Air brake/22.5″
Maximum Outer Width A (mm):2408
Wheel Rim:6.25×22.5
Tire:295/80R22.5
Wheel Bolt:10 – M22×1.5 DF801S | Bus streeing axle
Brake Structure Form/Specification:Air brake/φ410×180、22.5″
Maximum Outer Width A (mm):2457 – 2503
Wheel Rim:9.00×22.5
Tire:315/80R22.5
Wheel Bolt:10 – M22×1.5 DF701S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×150、φ410×180、22.5″
Maximum Outer Width A (mm):2045 – 2645
Wheel Rim:8.25×22.5
Tire:275/70R22.5 – 18PR
Wheel Bolt:10 – M22×1.5 DF601S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×150、22.5″
Maximum Outer Width A (mm):2251 – 2538
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M22×1.5 DF501S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×130、 φ400×150、22.5″
Maximum Outer Width A (mm):2173 –2521
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M20×1.5 DF701S-D | Bus steering axle
Brake Structure Form/Specification: Air
brake/22.5″
Maximum Outer Width A (mm):2491
Wheel Rim:8.25×22.5
Tire:275/70R22.5
Wheel Bolt:10 – M22×1.5 DF651S-D | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×150、22.5″
Maximum Outer Width A (mm):2485–2504
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M22×1.5 DF551S-D | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×150、22.5″
Maximum Outer Width A (mm):2424–2510
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M22×1.5 DD502S | Bus steering axle
Brake Structure Form/Specification:Air brake/19.5″
Maximum Outer Width A (mm)：2363
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF501S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×130、φ400×150、22.5″
Maximum Outer Width A (mm):2173–2521
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M20×1.5 DF451S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×130、19.5″
Maximum Outer Width A (mm):2220–2342
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF421S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ360×130、φ400×130、19.5″
Maximum Outer Width A (mm):2205–2472
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF421S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ360×130、φ400×130、19.5″
Maximum Outer Width A (mm):2205 – 2472
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF361S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ360×130、φ400×130、19.5″
Maximum Outer Width A (mm):2220 – 2342
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF351S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×130、φ400×130、17.5″/19.5″
Maximum Outer Width A (mm):2119 – 2290
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF302S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×120、φ310×130、17.5″
Maximum Outer Width A (mm):2053.5 – 2209
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF271S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×100、17.5″
Maximum Outer Width A (mm):1754 – 2468
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF302S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×120、φ310×130、17.5″
Maximum Outer Width A (mm):2053.5 – 2209
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF271S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×100、17.5″
Maximum Outer Width A (mm):1754 – 2468
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF252S | Bus steering axle
Brake Structure Form/Specification:Oil brake/15″、16″
Maximum Outer Width A (mm):1824.5 – 2106
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:5 – M18×1.5 DF252S | Bus steering axle
Brake Structure Form/Specification:Oil brake/15″、 16″
Maximum Outer Width A (mm):1824.5 – 2106
Wheel Rim:17.5
Tire:215/75R17.5
Wheel Bolt:5 – M18×1.5 DF231S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×120、 φ320×100、 16″
Maximum Outer Width A (mm):1997 – 2093
Wheel Rim:6.0×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、 6 – M20×1.5 DD391S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×130、 19.5″
Maximum Outer Width A (mm):2233
Wheel Rim:6.25×22.5
Tire:295/80R22.5
Wheel Bolt:8 – M22×1.5 DF1301D-440/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1855-1886
Spring Distance B (mm):920-1030
Maximum Torque (N·m):35000
Speed Ratio Series:3.15-5.13 DF1101D-440/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1838-1892
Spring Distance B (mm):920-1036
Maximum Torque (N·m):35000
Speed Ratio Series:3.15-6.14 DD0951D-440/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1839-1896
Spring Distance B (mm):940-1030
Maximum Torque (N·m):30000
Speed Ratio Series:3.15-6.14 DF0901D-416/Bus Standard Axle
Axle Housing Section (mm):135×145
Rim Mounting Distance A (mm):1800-1880
Spring Distance B (mm):920-1040
Maximum Torque (N·m):24000
Speed Ratio Series:3.73-6.14 DD1101D-400/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1782-1886
Spring Distance B (mm):910-1040
Maximum Torque (N·m):30000
Speed Ratio Series:3.55-6.14 DD0951D-400/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1782-1886
Spring Distance B (mm):910-1040
Maximum Torque (N·m):30000
Speed Ratio Series:3.55-6.14 DD0801D-350/Bus Standard Axle
Axle Housing Section (mm):120×135
Rim Mounting Distance A (mm):1800-1860
Spring Distance B (mm):820×1010
Maximum Torque (N·m):20000
Speed Ratio Series:4.33 – 6.14 DD0701D-350/Bus Standard Axle
Axle Housing Section (mm):120×135
Rim Mounting Distance A (mm):1700-1800
Spring Distance B (mm):820-1010
Maximum Torque (N·m):20000
Speed Ratio Series:4.33 – 6.14 DF451S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×130、 19.5″
Maximum Outer Width A (mm):2220–2342
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF0651D-310 | Bus Ordinary bridge
Axle Housing: Stamped and welded
Axle Housing Cross Section (mm): 110×120
Rim Mounting Distance (A): 1662-1800
Spring Distance (B): 890-1030
Maximum Torque (Nm): 12200-15000
Speed Ratio:3.58-6.14 DF0551D-310 | Bus Ordinary bridge
Axle Housing:Stamped and welded
Axle housing cross-section (mm): 110×120
Rim mounting distance A (mm): 1606.5 – 1800
Spring distance B (mm): 875 – 1012
Maximum torque (N·m): 12200 – 15000
Speed ratio range:3.58 – 6.14 DF331SD-360 | Steering axle
Brake Structure Form/Specification:Air brake/φ400×110
Maximum Outer Width A (mm):2252.5 – 2359
Wheel Rim:8.25 – 20
Tire:12.5R20
Wheel Bolt:10 – M20×1.5 DF271SD-305 | Steering axle
Brake Structure Form/Specification:Air brake/φ360×130
Maximum Outer Width A (mm):2014 – 2140
Wheel Rim:6×19.5
Tire:8R19.5
Wheel Bolt:6 – M20×1.5 DF801S | Steering axle
Brake Structure Form/Specification:Air brake/φ410×180、22.5″
Maximum Outer Width A (mm):2457 –2503
Wheel Rim:9.00×22.5
Tire:315/80R22.5
Wheel Bolt:10 – M22×1.5 DF701S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×150、 φ410×180、22.5″
Maximum Outer Width A (mm):2045 –2645
Wheel Rim:8.25×22.5
Tire:275/70R22.5
Wheel Bolt:10 – M22×1.5 DF601S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×150、22.5″
Maximum Outer Width A (mm):2251 –2538
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M22×1.5 DF0422D-310 | Bus Ordinary bridge
Axle Housing: Stamped and welded
Axle Housing Cross Section (mm): 102×102
Rim Mounting Distance (A): 1504.5-1670
Spring Distance (B): 875-952
Maximum Torque (Nm): 12200-15000
Speed Ratio: 3.58-6.14 DD502S | Steering axle
Brake Structure Form/Specification: Air
brake/19.5″
Maximum Outer Width A (mm):2363
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF0502D-285 | Bus Ordinary bridge
Axle housing cross-section (mm): 102×110
Rim mounting distance A (mm): 1525 – 1688.5
Spring distance B (mm): 880 – 968
Maximum torque (N·m): 10000
Speed ratio range: 4.33-6.14 DF361S | Steering axle
Brake Structure Form/Specification:Air brake/φ360×130、 φ400×130、19.5″
Maximum Outer Width A (mm):2220–2342
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF0402D-285 | Bus Ordinary bridge
Axle housing cross-section (mm): 102×102
Rim mounting distance A (mm): 1582.5 – 1673
Spring distance B (mm): 892 – 952
Maximum torque (N·m): 10000
Speed ratio range: 4.33-6.14 DF321S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×130、 17.5″/19.5″
Maximum Outer Width A (mm):2180 – 2285
Wheel Rim:7.00T – 20
Tire:9.00 – 20 – 16PR
Wheel Bolt:8 – M20×1.5
6ZTAA13 | 455-537 HP
RailMac at InnoTrans 2026 Berlin Hall8.1‑245. One‑stop rail components, rolling‑stock solutions, diesel‑to‑electric retrofit, semi‑solid‑state battery & mining truck swap‑charge station. Connect for global rail business & custom projects. SinoMac and RailMac: an integrated green-power value chain empowering the future of rail transit. Some auto components will age over time and bring safety risks if not replaced in time. This article introduces five key wearing parts including filters, brake system, tires, wipers and car battery, and reminds drivers to maintain and replace them on schedule. This article elaborates on core diesel engine knowledge, focusing on its spark plug-free ignition principle, complete four-stroke operating process, and compression auto-ignition combustion mechanism. It makes a comprehensive comparison between diesel and gasoline engines in terms of ignition modes, combustion principles and core performance characteristics. The article addresses common public questions, explaining the key reasons for diesel engines’ high torque output, heavy structure, black smoke emission, and limited popularity in family passenger cars. It also illustrates the inherent advantages of diesel engines for heavy-duty equipment and introduces advanced modern exhaust optimization technologies that effectively reduce diesel vehicle emissions. Covering diesel engines’ working principles, pros and cons, practical application scenarios and typical operating phenomena, this article clearly defines the differentiated positioning of the two engines: diesel engines excel at stable, high-load operation for engineering machinery, trucks and ships, while gasoline engines are more suitable for lightweight, quiet daily urban commuting. SinoMac 2027 Customer Interview Video: Since 2023, SinoMac has completed a series of interviews with multiple enterprises from different countries and regions. Most of the videos were shot at the customer companies and factories, and all the evaluations and feedback about SinoMac were collected, covering different industries in different countries and regions. We believe that this series of SinoMac customer interview videos can help all other customers have a deeper understanding of SinoMac. Our real customer interview cases can greatly help customers eliminate concerns and enhance their confidence in cooperating with SinoMac. EMAC 2027 Customer Interview Video: Since 2023, EMAC has completed a series of interviews with multiple enterprises from different countries and regions. Most of the videos were shot at the customer companies and factories, and all the evaluations and feedback about EMAC were collected, covering different industries in different countries and regions. We believe that this series of EMAC customer interview videos can help all other customers have a deeper understanding of EMAC. Our real customer interview cases can greatly help customers eliminate concerns and enhance their confidence in cooperating with EMAC. Hailed as the “Olympics” of the global maritime industry, Marintec China 2025 took place from December 2 to 5, 2025, at the Shanghai New International Expo Centre. Centered on the theme “Innovation and Cooperation for Sustainable Maritime Development,” this edition showcased cutting-edge technologies, innovative achievements, and sustainable pathways across the global maritime sector. It attracted over 2,000 exhibiting companies and tens of thousands of professional visitors from more than 100 countries and regions, highlighting China’s pivotal influence and open-cooperative stance within the global maritime industry. As one of the most influential mining exhibitions in Central Asia, the Kazakhstan International Mining, Exploration and Coal Processing Exhibition (Mining Week) was grandly held in Karaganda, Kazakhstan from June 24 to 26, 2025. Focused on the entire mining process, this exhibition showcased a concentrated display of technological innovations, equipment upgrades and green solutions-catering to the industry’s full-chain demands and serving as a premier platform for global mining players to showcase technologies, exchange experience and explore partnerships. Recently, the highly anticipated 2025 Vietnam International Maritime and Shipbuilding Exhibition concluded successfully at the Adora Convention Center in Ho Chi Minh City. As Vietnam’s largest and most specialized event in shipbuilding and maritime technology the exhibition gathered top shipbuilders, maritime service providers, and marine equipment manufacturers from around the world. SeaMac actively participated, comprehensively showcasing its innovative achievements and integrated capabilities in ship solutions and high-efficiency propulsion systems. The company engaged in extensive and in-depth exchanges with industry partners, achieving fruitful outcomes from its participation. Marintec China 2025, hailed as a “global trendsetter for the maritime industry,” will be held from December 2nd to 5th, 2025, at the Shanghai New International Expo Centre. The theme of this year’s exhibition is “Innovation and Cooperation for Sustainable Development of the Maritime Industry,” and the theme of the High-Level Maritime Forum is “Intelligent Navigation, Green Coexistence, Integration, and Innovation,” reflecting expectations for the industry’s future. SinoMac successfully participated in SAUDI RAIL 2025, the annual industry event held in Riyadh, Saudi Arabia, from October 19th to 20th, 2025. At the exhibition, SinoMac showcased its strong capabilities in railway technology, innovative solutions, and full lifecycle services, and engaged in in-depth exchanges with industry partners, customers, and experts from around the world to jointly explore future opportunities for rail transit development in the Middle East. From August 28 to 31, 2025, the highly anticipated PRO//Motion Expo 2025 (Russian International Railway and Motion Exhibition) grandly opened at the Russian Railway Museum in St. Petersburg. PRO//Motion Expo is currently the largest railway and transportation exhibition in Russia and the Commonwealth of Independent States (CIS), attracting extensive participation from railway companies from CIS countries and around the world. Over the four-day exhibition, exhibitors showcased cutting-edge technologies and innovative achievements in the railway transportation industry. Against the backdrop of the booming development of the global shipping and maritime industry, Vietnam International Maritime Expo 2025 (Marine & Offshore Vietnam) will be held in Ho Chi Minh City, Vietnam from 19th to 21st November. As one of the most influential maritime events in Southeast Asia, this exhibition brings together top enterprises and innovations in the fields of global shipbuilding, offshore engineering, port equipment, new energy ship technology, etc., and provides an international platform for industry colleagues to exchange and co-operate and explore the market. The International Exhibition of Engineering Machinery, Mining, and Concrete (Mining Indonesia) will be held in Jakarta, Indonesia, from September 17 to 20, 2025. As one of the most influential mining exhibitions in Southeast Asia, Mining Indonesia provides a professional platform for enterprises, experts, and practitioners in the global mining sector to showcase cutting-edge technologies, exchange industry insights, and explore collaborative opportunities. Rated Load (kg):13000 Rated Load (Kg):7500 Rated Load (Kg):8000 Rated Load (Kg):7000 Rated Load (Kg):6000 Rated Load (Kg):5000 Rated Load (Kg):7500 Rated Load (Kg):6500 Rated Load (Kg):5500 Rated Load (Kg):5000 Rated Load (Kg):5000 Rated Load (Kg):4500 Rated Load (Kg):4200 Rated Load (Kg):4200 Rated Load (Kg):3600 Rated Load (Kg):3500 Rated Load (Kg):3000 Rated Load (Kg):2700 Rated Load (Kg):3000 Rated Load (Kg):2700 Rated Load (Kg):2500 Rated Load (Kg):2500 Rated Load (Kg):2300 Rated Load (Kg):3900 Rated Load (kg):13000 Rated Load (kg):11000 Rated Load (kg):9500 Rated Load (kg):9000 Rated Load (kg):11000 Rated Load (kg):9500 Rated Load (kg):8500 Rated Load (kg):7500 Rated Load (Kg):4500 Rated Load (kg): 6500 Rated load (kg): 5500 Rated Load (Kg):3300 Rated Load (Kg):2700 Rated Load (Kg):8000 Rated Load (Kg):7000 Rated Load (Kg):6000 Rated Load (kg): 4200 Rated Load (Kg):5000 Rated load (kg): 5000 Rated Load (Kg):3600 Rated load (kg): 4000 Rated Load (Kg):3200 RailMac Brings Rail Components and Green Energy Solutions to InnoTrans 2026
Empowering Global Rail with China’s Strong supply Chain: Meet Us in Berlin at Booth 8.1-245
China-built, powering global rail transit. We look forward to welcoming you at Hall 8.1 · Booth 245. Do you know when to replace these car parts?
Why don’t diesel engines rely on spark plugs for ignition? They weren’t phased out of passenger cars; instead, they found a more suitable niche.
Egypt | Marine-Equipment Supplier Interview
A promise is a promise. SinoMac has always kept its word. For customer feedback, it is 100% the true words of the customers. SinoMac, a company you can trust! Indonesia | Pump
SinoMac Makes Its Mark at Global Maritime Event—A Look Back at Marintec China 2025
SinoMac’s Presence at the 2025 Kazakhstan International Mining, Exploration & Coal Processing Exhibition
Review of SeaMac 2025 Vietnam International Maritime Ship Exhibition:Deeply connecting with the cutting-edge of the global maritime industry
Attending a Global Maritime Extravaganza, SinoMac will be showcasing at Marintec China 2025
Review SAUDI RAIL 2025 ：SinoMac Exhibition Highlights
Deeply Cultivate the International Market, Empowering the Future of Rail ——Focus [PRO//Motion Expo 2025]: SinoMac Exhibition Highlights Review
Focus on marine industry event, start a new chapter of marine development together–SinoMac Group Limited to exhibit at Marine & Offshore Vietnam 2025
SinoMac Group Limited made its debut at the 2025 Indonesia International Construction Machinery, Mining and Concrete Exhibition.
DF1301D-452 | Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1842 – 1898
Spring Distance B (mm):970 – 1030
Maximum Torque (N·m):40000
Speed Ratio Series:4.56 – 6.14 IF075-CD| Bus steering axle
Brake Structure Form/Specification:Air brake/22.5″
Maximum Outer Width A (mm):2408
Wheel Rim:6.25×22.5
Tire:295/80R22.5
Wheel Bolt:10 – M22×1.5 DF801S | Bus streeing axle
Brake Structure Form/Specification:Air brake/φ410×180、22.5″
Maximum Outer Width A (mm):2457 – 2503
Wheel Rim:9.00×22.5
Tire:315/80R22.5
Wheel Bolt:10 – M22×1.5 DF701S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×150、φ410×180、22.5″
Maximum Outer Width A (mm):2045 – 2645
Wheel Rim:8.25×22.5
Tire:275/70R22.5 – 18PR
Wheel Bolt:10 – M22×1.5 DF601S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×150、22.5″
Maximum Outer Width A (mm):2251 – 2538
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M22×1.5 DF501S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×130、 φ400×150、22.5″
Maximum Outer Width A (mm):2173 –2521
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M20×1.5 DF701S-D | Bus steering axle
Brake Structure Form/Specification: Air
brake/22.5″
Maximum Outer Width A (mm):2491
Wheel Rim:8.25×22.5
Tire:275/70R22.5
Wheel Bolt:10 – M22×1.5 DF651S-D | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×150、22.5″
Maximum Outer Width A (mm):2485–2504
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M22×1.5 DF551S-D | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×150、22.5″
Maximum Outer Width A (mm):2424–2510
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M22×1.5 DD502S | Bus steering axle
Brake Structure Form/Specification:Air brake/19.5″
Maximum Outer Width A (mm)：2363
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF501S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×130、φ400×150、22.5″
Maximum Outer Width A (mm):2173–2521
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M20×1.5 DF451S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ400×130、19.5″
Maximum Outer Width A (mm):2220–2342
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF421S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ360×130、φ400×130、19.5″
Maximum Outer Width A (mm):2205–2472
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF421S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ360×130、φ400×130、19.5″
Maximum Outer Width A (mm):2205 – 2472
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF361S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ360×130、φ400×130、19.5″
Maximum Outer Width A (mm):2220 – 2342
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF351S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×130、φ400×130、17.5″/19.5″
Maximum Outer Width A (mm):2119 – 2290
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF302S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×120、φ310×130、17.5″
Maximum Outer Width A (mm):2053.5 – 2209
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF271S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×100、17.5″
Maximum Outer Width A (mm):1754 – 2468
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF302S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×120、φ310×130、17.5″
Maximum Outer Width A (mm):2053.5 – 2209
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF271S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×100、17.5″
Maximum Outer Width A (mm):1754 – 2468
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、6 – M20×1.5 DF252S | Bus steering axle
Brake Structure Form/Specification:Oil brake/15″、16″
Maximum Outer Width A (mm):1824.5 – 2106
Wheel Rim:6.00×17.5
Tire:215/75R17.5
Wheel Bolt:5 – M18×1.5 DF252S | Bus steering axle
Brake Structure Form/Specification:Oil brake/15″、 16″
Maximum Outer Width A (mm):1824.5 – 2106
Wheel Rim:17.5
Tire:215/75R17.5
Wheel Bolt:5 – M18×1.5 DF231S | Bus steering axle
Brake Structure Form/Specification:Air brake/φ310×120、 φ320×100、 16″
Maximum Outer Width A (mm):1997 – 2093
Wheel Rim:6.0×17.5
Tire:215/75R17.5
Wheel Bolt:6 – M18×1.5、 6 – M20×1.5 DD391S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×130、 19.5″
Maximum Outer Width A (mm):2233
Wheel Rim:6.25×22.5
Tire:295/80R22.5
Wheel Bolt:8 – M22×1.5 DF1301D-440/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1855-1886
Spring Distance B (mm):920-1030
Maximum Torque (N·m):35000
Speed Ratio Series:3.15-5.13 DF1101D-440/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1838-1892
Spring Distance B (mm):920-1036
Maximum Torque (N·m):35000
Speed Ratio Series:3.15-6.14 DD0951D-440/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1839-1896
Spring Distance B (mm):940-1030
Maximum Torque (N·m):30000
Speed Ratio Series:3.15-6.14 DF0901D-416/Bus Standard Axle
Axle Housing Section (mm):135×145
Rim Mounting Distance A (mm):1800-1880
Spring Distance B (mm):920-1040
Maximum Torque (N·m):24000
Speed Ratio Series:3.73-6.14 DD1101D-400/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1782-1886
Spring Distance B (mm):910-1040
Maximum Torque (N·m):30000
Speed Ratio Series:3.55-6.14 DD0951D-400/Bus Standard Axle
Axle Housing Section (mm):135×150
Rim Mounting Distance A (mm):1782-1886
Spring Distance B (mm):910-1040
Maximum Torque (N·m):30000
Speed Ratio Series:3.55-6.14 DD0801D-350/Bus Standard Axle
Axle Housing Section (mm):120×135
Rim Mounting Distance A (mm):1800-1860
Spring Distance B (mm):820×1010
Maximum Torque (N·m):20000
Speed Ratio Series:4.33 – 6.14 DD0701D-350/Bus Standard Axle
Axle Housing Section (mm):120×135
Rim Mounting Distance A (mm):1700-1800
Spring Distance B (mm):820-1010
Maximum Torque (N·m):20000
Speed Ratio Series:4.33 – 6.14 DF451S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×130、 19.5″
Maximum Outer Width A (mm):2220–2342
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF0651D-310 | Bus Ordinary bridge
Axle Housing: Stamped and welded
Axle Housing Cross Section (mm): 110×120
Rim Mounting Distance (A): 1662-1800
Spring Distance (B): 890-1030
Maximum Torque (Nm): 12200-15000
Speed Ratio:3.58-6.14 DF0551D-310 | Bus Ordinary bridge
Axle Housing:Stamped and welded
Axle housing cross-section (mm): 110×120
Rim mounting distance A (mm): 1606.5 – 1800
Spring distance B (mm): 875 – 1012
Maximum torque (N·m): 12200 – 15000
Speed ratio range:3.58 – 6.14 DF331SD-360 | Steering axle
Brake Structure Form/Specification:Air brake/φ400×110
Maximum Outer Width A (mm):2252.5 – 2359
Wheel Rim:8.25 – 20
Tire:12.5R20
Wheel Bolt:10 – M20×1.5 DF271SD-305 | Steering axle
Brake Structure Form/Specification:Air brake/φ360×130
Maximum Outer Width A (mm):2014 – 2140
Wheel Rim:6×19.5
Tire:8R19.5
Wheel Bolt:6 – M20×1.5 DF801S | Steering axle
Brake Structure Form/Specification:Air brake/φ410×180、22.5″
Maximum Outer Width A (mm):2457 –2503
Wheel Rim:9.00×22.5
Tire:315/80R22.5
Wheel Bolt:10 – M22×1.5 DF701S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×150、 φ410×180、22.5″
Maximum Outer Width A (mm):2045 –2645
Wheel Rim:8.25×22.5
Tire:275/70R22.5
Wheel Bolt:10 – M22×1.5 DF601S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×150、22.5″
Maximum Outer Width A (mm):2251 –2538
Wheel Rim:8.25×22.5
Tire:11.00R22.5
Wheel Bolt:10 – M22×1.5 DF0422D-310 | Bus Ordinary bridge
Axle Housing: Stamped and welded
Axle Housing Cross Section (mm): 102×102
Rim Mounting Distance (A): 1504.5-1670
Spring Distance (B): 875-952
Maximum Torque (Nm): 12200-15000
Speed Ratio: 3.58-6.14 DD502S | Steering axle
Brake Structure Form/Specification: Air
brake/19.5″
Maximum Outer Width A (mm):2363
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF0502D-285 | Bus Ordinary bridge
Axle housing cross-section (mm): 102×110
Rim mounting distance A (mm): 1525 – 1688.5
Spring distance B (mm): 880 – 968
Maximum torque (N·m): 10000
Speed ratio range: 4.33-6.14 DF361S | Steering axle
Brake Structure Form/Specification:Air brake/φ360×130、 φ400×130、19.5″
Maximum Outer Width A (mm):2220–2342
Wheel Rim:7.50×19.5
Tire:245/70R19.5
Wheel Bolt:8 – M20×1.5 DF0402D-285 | Bus Ordinary bridge
Axle housing cross-section (mm): 102×102
Rim mounting distance A (mm): 1582.5 – 1673
Spring distance B (mm): 892 – 952
Maximum torque (N·m): 10000
Speed ratio range: 4.33-6.14 DF321S | Steering axle
Brake Structure Form/Specification:Air brake/φ400×130、 17.5″/19.5″
Maximum Outer Width A (mm):2180 – 2285
Wheel Rim:7.00T – 20
Tire:9.00 – 20 – 16PR
Wheel Bolt:8 – M20×1.5
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