| Name vehicles | HOWO-A7 Tractor | Vehicle models | ZZ4257N3247N1B |
| Engine Model | WD615.69 | Engine power(ps) | 336 |
| Engine capacity | 9726 | Engine manufacturers | SINOTRUK |
| 9726 | |||
| 11596 | Combustion types | Diesel | |
| 11596 | |||
| Dimensions(mm) | 6985×2496×3230,3560, 3745,3850 | Spring few films | 4/12,9/12,4/- |
| The total mass | 25000 | Steering Type | Steering |
| Kerb Weight | 8800 | Semi-trailer carrying saddles the maximum allowable weight | 33200KG |
| Trailer total mass | 40000 | Front overhang / Rear overhang | 1540/870 |
| 1540/845 | |||
| Approach / departure angle | 15/46 | Axle-load | 7000 |
| 18000(Dual axle) | |||
| Wheelbase (mm) | 3225+1350 | Maximum speed (km/h) | 101 |
| 3200+1400 | |||
| Shaft number | 3 | Tire specifications | 11.00R20 |
| 12.00R20 | |||
| Several tire | 10 | Rear Wheel Track(mm) | 1830/1830 |
| Front Wheel Track(mm) | 2022 | Based on criteria | GB17691-2005 |
| 2041 | GB3847-2005 |
