| Name vehicles | HOWO-A7 Tractor | Vehicle models | ZZ4257V3247N1B |
| Engine Model | D12.42-20 | Engine power | 309 |
| Engine capacity | 11596 | Engine manufacturers | SINOTRUK |
| 11596 | |||
| The total mass | 25000 | Combustion types | Diesel |
| Dimensions (mm) | 6985×2496×3230, 3560,3745,3850 | Semi-trailer carrying saddles the maximum allowable weight （kg) | 33200 |
| Kerb weight (kg) | 8800 | Front overhang / Rear overhang(mm) | 1540/870 |
| 1540/845 | |||
| Trailer total mass
(kg) |
40000 | Axle-load | 7000 |
| 18000 | |||
| Approach / departure angle (°) | 15/46 | Maximum speed (km/h) | 101 |
| Wheelbase (mm) | 3225+1350 | Spring few films | 4/12,9/12,4/- |
| 3200+1400 | |||
| Shaft number | 3 | Tire specifications | 11.00R20 |
| 12.00R20 | |||
| Front Tread(mm) | 2022 | Rear Wheel Track(mm) | 1830/1830 |
| 2041 | |||
| Steering Type | Steering | Several tire | 10 |
