DD2201D-300H | Ordinary Bridge
DD2201D-300H is the flagship single-stage drive axle of Dongfeng Dana 300H series, designed for the extreme working conditions of heavy commercial vehicles.
The rated load is 22,000kg (the highest in the series) and the maximum torque is 55,000N-m (industry-leading).
It adopts 160×170mm casting axle casing and integrated cast steel support frame for wheel reducer (30% rigidity increase); through-wheel lubrication system significantly reduces the temperature and prolongs the life of gears; it is equipped with large-capacity air brake (φ410×220, 22.5″ rims) as standard, and 12.00R20 tires and 8.5V-20 rims, which can satisfy the harsh demands of mining and overloading transportation.
DD2201D-300H Product Features
Strong load-bearing capacity and long gear fatigue life;
Through-lubrication system at the wheel ends reduces temperatures and extends the life of wheel-end gears and bearings;
The wheel-end reducer support frame utilizes a one-piece cast steel structure, enhancing overall wheel-end rigidity;
High-capacity, quick-change brakes and high-performance brake drums provide enhanced braking performance;
Optional high-performance oil seals and maintenance-free hub units meet the requirements of high-grade commercial vehicles.
Technical Specifications
| Platform: | DD2201D – 300H |
| Rated Load (kg): | 22000 |
| Axle Housing Type: | Casting |
| Axle Housing Cross Section (mm): | 160 × 170 |
| Rim Mounting Distance A (mm): | 1880 |
| Spring Distance B (mm): | 1026 – 1045 |
| Maximum Torque (N·m): | 55000 |
| Ratio Series: | 4.77 – 7.63 |
| Brake Type: | Air Brake |
| Brake Specifications: | φ410×220、22.5″ |
| Cylinder Center Distance C (mm): | 338-348 |
| Applicable Rim: | 8.5V-20 |
| Applicable Tire: | 12.00R20 |
| 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 |
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| Platform | Rated Load (kg) | Axle Housing Section (mm) | Rim Mounting Distance A (mm) | Spring Distance B (mm) | Maximum Torque (N·m) | Speed Ratio Series |
| DD2201D-300H | 22000 | 160×170 | 1880 | 1026 – 1045 | 55000 | 4.77 – 7.63 |
| DF1601D-300H | 16000 | 160×170 | 1880 | 1026 – 1045 | 50000 | 4.77 – 7.63 |
| DF2601TD-300H | 13000×2 | 135×150 | 1870、1886 | 1045 | 45000×2 | 4.21 – 6.71 |
| DF4401TD-300H | 22000×2 | 160×170 | 1880 | 1026 – 1045 | 50000×2 | 4.77 – 7.63 |
| DF5001TD-300H | 25000×2 | 170×176 | 1880 | 1045 | 55000×2 | 4.77 – 5.92 |
| ——END—— | ||||||
Basic information of truck ordinary bridge | |||
| Maximum Torque (N·m) | 55000 | Speed Ratio Series | 4.77 – 7.63 |
| Brake Type | Air Brake | Brake Specification | φ410×220, 22.5″ |
| Air Chamber Center Distance C (mm) | 328 – 348 | Adapted Rim | 8.5V – 20 |
| Adapted Tire | 12.00R20 | Wheel Bolt Distribution Circle D (mm) | φ335 |
| Wheel Bolt | 10 – M22×1.5 | Optional Configuration | Maintenance – free Hub Unit |
| ——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.
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