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Howo trucks, buses and special purpose vehicles manufactured by China National Heavy-duty Truck Corporation (Sinotruk): Unofficial technical reference guide

Sinotruk Howo ZZ4257N25C7D1B tractor unit manufactured by Sinotruk Jinan Truck Co., Ltd.

Sinotruk Howo tractor unit ZZ4257N25C7D1B

ZZ4257N25C7D1B

Sinotruk Howo Chinese tractor unit ZZ4257N25C7D1B manufactured by Sinotruk Jinan Truck Co., Ltd. (an automobile manufacturer in Jinan, Shandong Province, China; manufactures a range of , , vehicles, including tractor units). Engine: D10.34-40 / D10.38-40 / D12.34-40 / D12.38-40, wheelbase is 1800+2500 mm, total mass of trailer is 38200 kg, with ABS, tires are 11.00R20, 12.00R20, 12R22.5, 295/80R22.5, 315/80R22.5, cab seating capacity is  2, 3, curb weight is of the Chinese tractor unit 7600 kg, gross vehicle weight is 25000 kg, diesel fuel, max. speed is 79, 102 km/h, fifth wheel capacity is 17270, 17205 kg, environmental standard is .

Technical Specifications of the Chinese tractor unit Sinotruk Howo

Vehicle Overview

MakeSinotruk Howo
Vehicle modelZZ4257N25C7D1B
Vehicle typeTractor unit
VIN
  • LZZ1CGNN×××××××××
  • LZZ1CGSN×××××××××
Manufacturer
CountryChina
Manufacturer's locationJinan, Shandong Province, China.

Engine of the Chinese tractor unit Sinotruk Howo ZZ4257N25C7D1B

#Engine ModelEngine DisplacementEngine PowerEngine Manufacturer
1D10.34-409726 cc249 kW (339 hp)China National Heavy Duty Truck Group Co., Ltd. (Sinotruk)
2D10.38-409726 cc276 kW (376 hp)China National Heavy Duty Truck Group Co., Ltd. (Sinotruk)
3D12.34-4011596 cc249 kW (339 hp)China National Heavy Duty Truck Group Co., Ltd. (Sinotruk)
4D12.38-4011596 cc279 kW (380 hp)China National Heavy Duty Truck Group Co., Ltd. (Sinotruk)
General Engine Specifications
Fueldiesel fuel
Environmental standards compliance

Dimensions and Weights of the Chinese tractor unit Sinotruk Howo ZZ4257N25C7D1B

Dimensions and Weight Specifications of the Chinese tractor unit
Overall Dimensions of the Chinese tractor unit
Overall length (mm)6695
Overall width (mm)2496
Overall height (mm)3125/3730/3835/3885
Weights, Ground Pressure and Capacity
Curb weight of the Chinese tractor unit (kg)7600
Fifth wheel load capacity (kg)17270, 17205
Gross vehicle weight (kg)25000
Axle load distribution (kg)6500/7000/11500
Total mass of trailer (kg)38200
Wheel Base and Track
Wheelbase (mm)1800+2500
Front track (mm)2022/2022, 2041/2041
Rear track (mm)1830
Front and Rear Overhang
Front overhang (mm)1500
Rear overhang (mm)895
Angle of Approach and Departure
Angle of approach (deg.)14
Angle of departure (deg.)46

Wheels and Tires

Tires and Wheels of the Chinese tractor unit Sinotruk Howo ZZ4257N25C7D1B
Number of axles3
Number of tires8
Tires dimension11.00R20, 12.00R20, 12R22.5, 295/80R22.5, 315/80R22.5

Misc. Specifications

Miscellaneous Specifications Sinotruk Howo ZZ4257N25C7D1B (tractor unit)
Max. speed79, 102
ABShave
Cab seating capacity2, 3
Steeringsteering wheel
Leaf springs3 / 3 / 5, 3 / 3 / 9+6, 3 / 3 / -, 3 / 3 / 2+-, 4 / 4 / 5, 4 / 4 / 9+6, 4 / 4 / -, 4 / 4 / 2+-, 9 / 9 / 9+6

Additional Information

Optional ordinary cab, the vehicle height is 3885mm, while the shroud may not be an option, vehicle height is 3125mm; optional high roof cab, the vehicle height is 3835mm, while the optional side may wind deflector, vehicle height is 3730mm. Optional pre-exhaust system. Cab ride saddle with maximum permissible load mass parameter correspondence. When the optional D10.34-40 engine net power of 247kW, the vehicle identification number of LZZ1CGNN ×××××××××, fuel declaration is 43.0L / 100km; when the optional D10.38-40 engine, net power of 274kW, the vehicle identification number of LZZ1CGSN ×××××××××, fuel declaration is 43.1L / 100
(Note: possible inaccuracies)

Photo gallery of the Chinese tractor unit Sinotruk Howo ZZ4257N25C7D1B

Sinotruk Howo tractor unit ZZ4257N25C7D1B Sinotruk Howo tractor unit ZZ4257N25C7D1B Sinotruk Howo tractor unit ZZ4257N25C7D1B Sinotruk Howo tractor unit ZZ4257N25C7D1B