| Products Technical Specification | ||
| Product Name | SINOTRUK HOWO-A7 6*4 Tractor Truck | |
| Chassis Model | ZZ4257 | |
| Fuel type | Diesel | |
| Emission Standard | Euro 3 | |
| Cabin | A7-G, with A/C, sleeper | |
| Whole Vehicle main dimensions (mm) | Overall dimensions (L*W*H) | 7010*2480*3850 |
| Wheel base | 3200+1400 | |
| Front overhang | 1500 | |
| Rear overhang | 725 | |
| Weight data (kg) | G.V.W | 25000 |
| Curb weight (chassis) | 9230 | |
| Whole vehicle main performance | Max. speed (km/h) | 102 |
| Max. slope of climb (%) | 30 | |
| Engine | Model | D12.42 |
| Maximum power | 309kw / 420hp | |
| Number of cylinders | 6 | |
| Displacement (L) | 11.596 | |
| Engine Manufacturer | CNHTC ENGINE | |
| Gear box | Brand | 20716A Automatic |
| Number of gears | 16 forward gears & 2 reverse | |
| Axle | Driving axle | HW1697 |
| Suspension system | Leaf spring type | 9/12 |
| Clutch | Dry-type single ∮430 | |
| Brakes | Full air brake system, Dual brake circuits | |
| Electric Equipment | 24V | |
| Fifth Wheel | 50# | |
| Tyre & Quantity | 315/80R22.5 & 10+1 | |
| Oil tank capacity | 600 L | |

