Yuchai YC6MK400-33 · 12-speed FAST · 22 t hub-reduction axles 4.77 · GCW 80 t · 800 L tank
Regional heavy-duty traction for the harshest operating environments. The mechanical-pump Yuchai engine tolerates high-sulphur diesel, while Dana hub-reduction rear axles rated at 22 t × 2 and an 8+6 double-layer frame give the T54M3 genuine 80-tonne-class capability.
| DRIVE & DIMENSIONS | |
| Drive type | 6×4 |
|---|---|
| Overall dimensions (L×W×H) | 7,110 × 2,550 × 3,300 mm |
| Wheelbase | 3,400 + 1,400 mm |
| Front / rear track | 2,040 / 1,860 mm |
| Front / rear overhang | 1,500 / 810 mm |
| WEIGHTS & PERFORMANCE | |
| Curb weight | 11,000 kg |
| Gross combination weight (GCW) | 80,000 kg |
| ENGINE | |
| Model | Yuchai YC6MK400-33 |
| Emission | Euro II |
| Max. power | 294 kW (400 hp) @ 1,900 rpm |
| Max. torque | 1,800 N·m @ 1,100–1,500 rpm |
| Type | Water-cooled, turbocharged & intercooled, inline, mechanical fuel pump |
| Cylinders / displacement | 6 / 10.34 L |
| TRANSMISSION & AXLES | |
| Gearbox | FAST 12JSD200T-B, 12 forward + 2 reverse |
| Front axle | 7 t |
| Rear axle | 22 t × 2, hub reduction (Dana platform) |
| Rear axle ratio | 4.77 |
| CHASSIS & CAB | |
| Frame | 8+6 double-layer reinforced frame |
| Suspension (front / rear) | 10-leaf spring / 13-leaf spring |
| Tyres | 315/80 R22.5 18PR & 16PR |
| Fuel tank | 800 L, aluminium |
| Cab | Dongfeng KC single sleeper, front spring + rear air suspension, air-suspended driver seat |
| Electrical system | 24 V, 165 Ah × 2 |
| Brakes | Full-air dual-circuit, rear spring parking, engine brake |
The fully mechanical fuel-injection pump is engineered for regions where diesel quality is inconsistent — no common-rail sensitivity, easier field maintenance.
Hub-reduction 22 t × 2 rear axles with 4.77 ratio deliver strong gradeability and durability for mining and heavy regional haulage.
8+6 double-layer frame and heavy-duty suspension are designed for demanding 80 t combination operations.
1,800 N·m at low rpm for confident starts on grades with heavy loads.
Rear axle ratio options, tyre brand options, cab comfort packages.
Regional heavy-duty transport · mining & quarry logistics · high-sulphur fuel regions
