DF1301D-452 | Bus Standard Axle
The Dongfeng DANA Coach Axle DF1301D-452 is the flagship product of the D452 series, specially designed for high-end 10-13.7 meter highway coaches, with a rated load of 13,000 kg (the highest in the series).
Featuring a 135×150 mm high-strength stamped and welded axle housing, it delivers a maximum torque of 40,000 N·m. Incorporating the global technological expertise of DANA, it holds 15 patents. The assembly achieves a weight reduction of 26 kg compared to competitors, reduces gear noise by 4-6 decibels, and improves transmission efficiency by 2-3%.
Standard equipment includes a heavy-duty air brake system (φ410×220 brake + 22.5″ rim), with wheelbase adjustable between 1,842-1,898 mm, compatible with 8.25×22.5 rims and 275/70R22.5 wide-base tires. Warranty coverage extends to 3 years or 300,000 km, with maintenance intervals exceeding 100,000 km.
D452 Product Features
Safe, reliable, efficient, comfortable, and with high maintenance intervals;
Warranty mileage increased by 50% to 300,000 kilometers over three years;
26 kg lighter than competing products, patented lubrication system improves transmission efficiency by 2-3%;
Noise levels are 4-6 decibels lower than competing products under the same test conditions;
Maintenance intervals increased by four times to 100,000 kilometers;
Safer braking and more reliable load-bearing.
Technical Specifications
| Platform: | DF1301D-452 |
| Rated Load (kg): | 13000 |
| Axle Housing Type: | Punching and welding |
| Axle Housing Cross Section (mm): | 160 × 176 |
| Rim Mounting Distance A (mm): | 1842-1898 |
| Spring Distance B (mm): | 970-1030 |
| Maximum Torque (N·m): | 40000 |
| Ratio Series: | 4.56-6.14 |
| Brake Type: | Air Brake |
| Brake Specifications: | φ410×220、22.5” |
| Cylinder Center Distance C (mm): | 450-540 |
| Applicable Rim: | 8.25×22.5 |
| Applicable Tire: | 275/70R22.5 |
| Wheel Bolt Circle D (mm): | φ335 |
| Wheel Bolts: | 10 – M22×1.5 |
| Optional Configurations: | Maintenance – free Hub Unit |
| Lead Time: | 15-30 Working Days |
| Payment Terms: | T/T ,L/C |
Model | Rated Load (Kg) | Axle Housing Section (mm) | Rim Mounting Distance A (mm) | Spring Distance B (mm) | Maximum Torque (N.m) | Speed Ratio Series |
| DF1301D-452 | 13000 | 135×150 | 1842 – 1898 | 970 – 1030 | 40000 | 4.56 – 6.14 |
| DF1101D-452 | 11000 | 135×150 | 1838 – 1892 | 1030 | 40000 | 4.56 – 6.14 |
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Basic information of truck ordinary bridge | |||
| Axle Housing Type | Stamped and Welded | Brake Type | Pneumatic Brake |
| Brake Specification | φ410×220、 22.5″ | Air Chamber Center Distance C (mm) | 450 – 540 |
| Adapted Rim | 8.25×22.5 | Adapted Tire | 275/70R22.5 |
| Wheel Bolt Distribution Circle D (mm) | φ335 | Wheel Bolt | 10 – M22×1.5 |
| Optional Configuration | Maintenance – free / Low – maintenance Hub Unit | ||
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Note: All Above Data are Just for Reference, All Data Might Change Without Notices or Updates, Please Contact Our Sales Team to Confirm All Details Via WhatsApp or Email.

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