D300H/TD300H Truck ordinary bridge
The 300H product is a two-stage wheel reduction axle independently developed by Dongfeng Dana Axle to meet the high horsepower, large ground clearance, overload and high output torque requirements of heavy-duty commercial vehicles. It has a maximum output torque of 55,000 N.m.
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General Specifications of D300H/TD300H Series
| Rated Load (kg): | 16000-25000×2 |
| Axle Housing Type: | Punching and welding |
| Rim Mounting Distance A (mm): | 1870-1886 |
| Spring Distance B (mm): | 1026-1045 |
| Maximum Torque (N·m): | 50000-55000×2 |
| Speed Ratio Series: | 3.58-6.33 |
| Brake Type: | Air brake |
DuraMac
DCEC ISL8.9 series automotive engine is four-strokes engine with 114 mm bore and 145 mm stroke, Equipped with Bosch (or BYC or Weifu) pump. engine comes with turbocharger and Air- Air intercooler. The prime power range is from 270 HP to 400 HP.
Fast Gear
The F6A Series Automated Transmission uses the FAST automatic transmission, has six front gears, the transmission ratio step arrangement is reasonable, has very outstanding fuel economy. Adopt hydraulic automatic transmission. The F6A Series Automated Transmission has six gears, each with a different reduction ratio.
EV Truck
Electric wheel dump trucks use electricity as a power source, completely abandoning traditional fuel engines. This change enables the vehicle to achieve true “zero emissions” during operation, without the emission of pollutants such as carbon monoxide, nitrogen oxides, and particulate matter in the exhaust gas, greatly reducing the pollution to the atmospheric environment.
DANA Axle
Applying the advanced technology of DANA with high efficiency, fuel economy, strong load torque, low noise,high reliability, lower procurement cost, low repair cost and lower maintenance cost.
Datong Gear
The Datong HW25712XSJ Heavy Manual No-Sync Gearbox has a torque of 2500 N.m, a gear ratio range of 14.941-1, an oil capacity of 13 L (13.5 L when equipped with a power take-off), an overall length of 993 mm, and a weight of 428 kg.
Crane Trucks
The DFZ5258JSQSZ6D truck crane is a powerful and versatile vehicle designed for efficient lifting and transportation tasks. Equipped with a YCS06300-61 engine and a Shaanxi Auto Fast gear : 10JS120TA high-low gear with synchronizer、PTO gearbox, it provides strong and stable power for demanding operations.
All Wheel Drive Off-road Chassis
Dongfeng Special Vehicle's all-wheel-drive off-road chassis series, developed based on military technology platforms, supports 4×4/6×6 drive configurations and delivers exceptional cross-country capability, high reliability, and strong environmental adaptability. DuraMac provides customized off-road solutions, with products widely applied in high-altitude rescue, wilderness exploration, special transport, and military applications, meeting the demands of both domestic and international specialty vehicle markets.
Medium & Heavy-duty Truck
DuraMac offers a full range of Dongfeng solutions for medium-to-heavy-duty trucks, covering diesel, pure electric, and hydrogen fuel cell powertrains. Its pure electric trucks feature high-energy-density batteries and electric drive systems with dual-gun fast charging capability, ensuring high operational efficiency. Hydrogen-powered heavy-duty trucks are equipped with an intelligent VCU control system and offer multiple power variants. All products utilize high-strength chassis and IP68-rated electrical systems, meeting diverse operational demands across engineering transport, port logistics, and urban distribution.
Model | Maximum torque (N·m) | Speed ratio series | Model | Maximum torque (N·m) | Speed ratio series | ||
| DF1601D-300H | 50000N.m | 4.77-7.63 | DD2201D-300H | 55000N.m | 4.77-7.63 | ||
| DF2601TD-300H | 45000×2N.m | 4.21-6.71 | DF4401TD-300H | 45000×2N.m | 4.77-7.63 | ||
| DF5001TD-300H | 55000×2N.m | 4.77-5.92 | |||||
| ——END—— | |||||||
Dana D300H/TD300H Series Truck ordinary bridge
This is the list of all series of Dana D300H/TD300H Series Truck ordinary bridge.
Click here to find Truck Standard Axle by type
DF5001TD-300H | Ordinary Bridge
Rated load (kg): 25000 × 2
Axle housing cross-section (mm): 170 × 176
Rim mounting distance A (mm): 1880
Spring distance B (mm): 1045
Maximum torque (N·m): 55000 × 2
Speed ratio range: 4.77-5.92
DF4401TD-300H | Ordinary Bridge
Rated load (kg): 22000 × 2
Axle housing cross-section (mm): 160 × 170
Rim mounting distance A (mm): 1880
Spring distance B (mm): 1026-1045
Maximum torque (N·m): 50000 × 2
Speed ratio range: 4.77-7.63
DF2601TD-300H | Ordinary Bridge
Rated load (kg): 13,000×2
Axle housing cross-section (mm): 135×150
Rim mounting distance A (mm): 1870、1886
Spring distance B (mm): 1045
Maximum torque (N·m): 45,000×2
Speed ratio range: 4.21-6.71
DD2201D-300H | Ordinary Bridge
Rated load (kg): 22,000
Axle housing cross-section (mm): 160×170
Rim mounting distance A (mm): 1880
Spring distance B (mm): 1026-1045
Maximum torque (N·m): 55,000
Speed ratio range: 4.77-7.63
DF1601D-300H | Ordinary Bridge
Rated load (kg): 16,000
Axle housing cross-section (mm): 160×170
Rim mounting distance A (mm): 1880
Spring distance B (mm): 1026-1045
Maximum torque (N·m): 50,000
Speed ratio range: 4.77-7.63




