DD1101D-400/Bus Standard Axle
The Dongfeng DANA Coach Axle DD1101D-400 is the flagship product of the D400 series, specially developed for the 8.5-11 meter high-end coach market, with a rated load of 11,000 kg (the highest in the series) and a 135×150 mm high-strength stamped and welded axle housing.
Integrating DANA’s low-noise, high-power-density technology: maximum output torque of 30,000 Nm; gear noise reduced by 2-4 decibels compared to competitors; overall weight reduction of over 80 kg; increased reverse torque by 10% to optimize fuel efficiency for new energy vehicles;
maintenance interval of up to 100,000 kilometers. Standard heavy-duty air brake system (φ400×220 dedicated specification, compatible with 22.5″ wheel flange), wheelbase adjustable from 1,782 to 1,886 mm, paired with 8.25×22.5 wheel rims and 275/80R22.5 wide-base tires, with optional maintenance-free hub units.
DD1101D-400 Product Features
The axle housing section coefficient is better and the rear axle load capacity is stronger.
Adopting DANA gear design, manufacturing and testing technology, the noise level is 2-4 decibels lower than that of competing products.
Lightweight design, the rear axle assembly is more than 80Kg lighter than similar axles.
High power density design increases anti-drag torque by 10%, which helps improve the economy of new energy vehicles.
The maintenance interval mileage has been increased to four times the original time, reaching 100,000 kilometers.
Technical Specifications
| Platform: | DD1101D-400 |
| Rated Load (kg): | 11000 |
| Axle Housing Type: | Stamped and Welded |
| Axle Housing Cross-Section (mm): | 135×150 |
| Rim Mounting Distance A (mm): | 1782-1886 |
| Spring Distance B (mm): | 910-1040 |
| Maximum Torque (N·m): | 30000 |
| Speed Ratio: | 3.55-6.14 |
| Brake Type: | Pneumatic Brake |
| Brake Specifications: | φ400×180/ φ400×220, 22.5″ |
| Air Chamber Center Distance C (mm): | 420-580 |
| Adapted Wheel Rim: | 8.25×22.5 |
| Adapted Tire: | 275/8OR22.5 |
| Wheel Bolt Circumference D (mm): | φ335 |
| Wheel Bolts: | 10-M22x1.5 |
| 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 |
| DD1101D-400 | 11000 | 135×150 | 1782-1886 | 910-1040 | 30000 | 3.55-6.14 |
| DD0951D-400 | 9500 | 135×150 | 1782-1886 | 910-1040 | 30000 | 3.55-6.14 |
| ——END—— | ||||||
Basic information of bus ordinary bridge | |||
| Model | DD1101D-400 | Axle Housing Type | Stamped and welded |
| Brake Type | Pneumatic Brake | Brake Specification | φ400×180/ φ400×220, 22.5″ |
| Air Chamber Center Distance C (mm) | 420 – 580 | Adapted Wheel Rim | 8.25×22.5 |
| Adapted Tire | 275/8OR22.5 | Wheel Bolt Distribution Circle D (mm) | φ335 |
| Wheel Bolt | 10-M22x1.5 | ||
| ——END—— | |||

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.

Sale Manual

Installation Drawing

Installation Manual

Operation Manual

Parts Catalogue




