| Sinotruck Howo A7 371/380/420hpTruck Trailer Tractor Truck--Specification |
| Truck Model | ZZ4257N3247N1B; ZZ4257V3247N1B; |
| Truck Brand | SINOTRUK—HOWO |
| Driving Position | Left hand Driving |
| Fuel tanker capacity(L) | 400 |
| The Total Mass | 50,000~100,000KGS |
| Dead Weight | 8800,9800KGS |
| Max speed(km/h)(km/h) | 102 |
| Color | White |
| Chassis & Add Components |
| Frame Details | High-Strength U-profile ladder frame with section of 300*90*8mm and reinforced sudfram, all cold riveted cross members. |
| Dimension(Lx W xH)(unloaded)(mm) | 6800x2496x3800 |
| Approaching angle/Departure angle(°) | 16/70 |
| Overhang(front/rear) (mm) | 1500/725 |
| Wheel base (mm) | 3225+1350 |
| Engine |
| Model | CNHTC brand D12.42, |
| Power | 420hp/309kw.2000r/min |
| Emission | EURO II |
| Cylinder bore*stroke(mm) | 126*155 |
| Displacement(L) | 11.596 |
| Type | water-cooled,four strokes,6 cylinders in line,turbocharged, directly injection |
| Kind of Fuel | Diesel |
| Fuel Consumption(L/100km) | 30L/100km |
| Clutch & Gear Box System |
| Clutch | SINOTRUKΦ430mm diaphragm spring clutch |
| Gear Box | HW19710 12 speeds |
| Axles |
| Front Axle Model | HF7 axle. Capacity: 7000kg |
| Rear Axle | ST axle. Capacity:2X 16000kg |
| Ratio of rear axle | 4.42 |
| Electrical System |
| Battery | 2X12V/165Ah |
| Alternator | 28V-1500kw |
| Starter | 7.5Kw/24V |
| Brake System |
| Service brake | Dual circuit compressed air brake |
| Parking brake | spring energy, compressed air operating on rear wheels |
| Auxiliary brake | Engine exhaust brake |
| Steering system |
| Model | ZF8118 |
| Type | hydraulic steering with power assistance |
| Wheels & Tyres |
| Type | 12R22.5 |
| Material | Tubeless tires |
| Quantity | 10+1 spare |
| Kin pin | 50mm |
| Cabin |
