HOWO Tractor Truck 6x4
- Release time：
- Source：Sinotruk HOWO
| Model of Representative Vehicle | ZZ4257M3241W | ZZ4257N3241W | ZZ4257S3241W | ZZ4257S3247AZ | ZZ4257V3241W | |
| Cab | Model | HW76 | ||||
| Type | Extended cab, single berth, up-down, front-rear adjustable steering wheel, VDO instrument and control module, double-locking safety belt, outer sun shade | |||||
Engine |
Model | WD615.87 | WD615.69 | WD615.47 | WD615.47 | D12.42 |
| Rated Power kW/rpm | 213/2200 | 247/2200 | 273/2200 | 273/2200 | 309/2000 | |
| Max. Torque Nm/rpm | 1160/1100-1600 | 1350/1300-1600 | 1460/1300-1600 | 1460/1300-1600 | 1820/1100-1400 | |
| Discharge L | 9.726 | 11.596 | ||||
| Type | In-line, six cylinders, supercharging intercooling; WD615 engine (two valves/rear supercharger); D12 engine (four valves/central supercharger). | |||||
| Clutch | Φ430 diaphragm spring clutch, hydraulic control, air booster; WD615.47/D12.38/D12.42 standard configuration 430A; WD615.69 standard configuration 430B; WD615.62/WD615.87 standard configuration 430C. | |||||
| Transmission | Sinotruk HW series 10-speed transmission; a primary gearbox + a secondary gearbox; primary gearbox: double countershafts; secondary gearbox: planetary reduction; WD615.62/WD615.87/WD615.69 standard configuration HW15710; WD615.47/D12.38/D12.42 standard configuration HW19710. | |||||
| Front Axle | HF7 drum-type, rated load 7T | |||||
| Drive Axle | HW1697 single reduction, speed ratio: standard configuration 3.73, optional configuration 4.22 | |||||
| Suspension | Front/rear suspensions are plate springs; the front suspension has a damper and a lateral stabilizer; the rear suspension is a divided balanced suspension with a lateral stabilizer. | |||||
| Steering System | ZF8098 steering gear, ZF steering pump, system pressure 18MPa | |||||
| Braking System | Service brake: dual-circuit air brake; parking brake: energy storage spring air-break brake; auxiliary brake: engine exhaust brake; optional configuration engine EVB, ABS and automatic slack adjuster. | |||||
| Electric System | Voltage: 24V; dynamo:1540W; starter: 7.5kW; storage battery: 2×12V/165Ah. | |||||
| Tyre | 12.00-20; optional 11.00-20 | |||||
| Tank Capacity L | 400 | |||||
| Curb Weight kg | 9180 | 9180 | 9180 | 9180 | 9230 | |
| Gross Mass kg | 25000 | 25000 | 25000 | 25000 | 25000 | |
| Max. Towed Mass kg | 32400 | 39200 | 39800 | 39600 | 39640 | |
| Allowable Load of Saddle kg | 15690 | 15690 | 15690 | 15660 | 15640 | |
| Dimensions (L*W*H) mm | 6800×2496×2958 | 6800×2496×2958 | 6800×2496×2958 | 6800×2496×2958 | 6800×2496×2958 | |
| Wheel Base mm | 3200+1400 | 3200+1400 | 3200+1400 | 3200+1400 | 3200+1400 | |
| Front Overhang/Rear Overhang mm | 1500/725 | 1500/725 | 1500/725 | 1500/725 | 1500/725 | |
| Wheel Track (Front/Rear) mm | 2022/ 1850 | 2022/ 1850 | 2022/ 1850 | 2022/ 1850 | 2022/ 1850 | |
| Min. Ground Clearance mm | 267 | 267 | 267 | 267 | 267 | |
| Approach Angle/Departure Angle ° | 16/70 | 16/70 | 16/70 | 16/70 | 16/70 | |
| Max. Speed km/h | 102 | 102 | 102 | 102 | 92 | |
| Max. Climbing Capacity % | 20 | 24 | 26 | 26 | 33 | |
| Min. Turning Diameter m | 15 | 15 | 15 | 15 | 15 | |
| Ground Clearance of Saddle Joint (Empty/Full) mm | 1360/1326 | 1360/1326 | 1360/1326 | 1360/1326 | 1360/1326 | |
| Front/Rear Turning Radius mm | 2790/2230 | 2790/2230 | 2790/2230 | 2790/2230 | 2790/2230 | |
| Traction Pin Size | 50#（2inches） | 50#（2inches） | 50#（2inches） | 50#（2inches） | 50#（2inches） | |
| Remarks | Optional WD615.62 | OptionalD12.38 | OptionalD12.38 | |||
