Sinotruk HOWO Tractor Truck

Model

ZZ4257M3241W

ZZ4257N3241W

ZZ4257S3241W

ZZ4257V3241W

Product code

4257602

4257603

4257604

4257605

Engine

Model

WD615.87

WD615.69

WD615.47

D12.42

Horsepower

290

336

371

420

Maximum output

Kw/r/min

213/2200

247/2200

273/2200

309/2000

Maximum torque

N.m/r/min

1160/1100-1600

1350/1300-1600

1460/1300-1600

1820/1100-1500

Type

6-cylinder in line, 4-stroke, water-cooled, turbo-charged & inter-

cooled, direct injection

Bore x Stroke

126x130mm

126x155 mm

Valve

2

4

Displacement

9.726L

11.596L

Make SINOTRUCK (CNHTC), Euro II emission standard, Thermostat with 80ºC 

opening begin, Rigid fan

Option:Thermostat with 71ºC opening begin; silicone oil fan; Cold-start with 

electric-inlet-air heating System (180Ah battery)

Cab

SINOTRUK HW76 Lengthen cab,single bunk,new type seat,adjustable steering 

wheel,EURO new type heating & ventilating system, German VDO instruments,

safety belts, exterior sun visor,stereo radio/cassette recorder,left driving,

air conditioner, Option: right driving; color; Wind guide cover

Clutch

SINOTRUK Φ430 diaphragm-spring clutch,hydraulically operating with air assistance 

Transmission

SINOTRUK HW15710 or HW19710 transmission ,10 forward and 2 reverse

Ratio:14.28  10.62  7.87  5.88  4.38  3.27  2.43  1.80  1.34  1.00 

13.91(R1)  3.18(R2)

Front Axle

SINOTRUK HF7 Front Axle,new 7-ton front axles of equipped with drum brakes

Option: disc brake

Steering

German ZF8098 Steering Gear Box ,hydraulic steering with power assistance,

Ratio:22.2-26.2

Rear 

Axles

ST16 Double Reduction Drive Axle, Pressed axle housing, central single reduction 

with planetary wheel reduction and with differential locks between wheels and 

axles,ratio: 3.93,4.42 or 4.8;strengthened design, loading capacity and reliability 

have been increased greatly.

HW 1697 Single Reduction Drive Axle, ratio: 4.22 or 3.73  The basic configuration 

of HOWO series on-road vehicle is especially suitable for transportation on 

express way and road above class II.

Brake 

System

Service brake:dual circuit compressed air brake 

Parking brake (emergency brake):spring energy,compressed air operating on 

rear wheels

Auxiliary brake:engine exhaust valve brake

Wheels & 

Tyres 

Rims:8.5-20,10 hole-steel ;Tyres:12.00-20 diagonal tyre with 1 Spare tire

Option:12.00R20 radial tyre ;295/80R22.5 tubeless;12R22.5 tubeless;

315/80R22.5 tubeless

Electrics

Operating voltage:24V,negative grounded

Starter:24V,7.5 Kw

Alternator:3-phase,28V,1500 W

Batteries:2x12 V,165 Ah

Cigar-lighter,horn,headlamps,fog lights,brake lights,indicators and reverse light

Option:2x180Ah Batteries

Oil Tank

D type-400L Aluminum alloy fuel tank

Fifth wheel

50# (2 inch) Option:90#(3.5 inch)

Other

Optional 

Vertical Muffler ;ABS ;Automatic Break Clearance Adjusting Arm ; Traveling Data

Recorder ;Under Starting/Stopping Device ;Metal Pipeline ;Engine Protective Board 

Delivery date

Within 30days after receipt advance

Dimensions 

in mm

Overall length x Overall width xOverall height           6800x2496x2958

Wheel base                                     3200+1400

Weight 

in kg

Kerb weight                                        9180

Gross vehicle weight                                 25000

Front axle loading capacity                             7000

Rear axles loading capacity                           2x16000

Performance

Maximum drving speed (km/h)                           102

Fuel consumption  (1/100 km)                           35

Packing

Nude Pack.The packing of the commodity shall be in accordance with the export

standard packing of the manufacturer, be suitable for long distance transportation

of ocean and inland. The Seller shall be take measures against moisture, shocks 

and rust according to the special needs of the commodity.