Basic Parameters of HOWO-A7 Heavy Tractor (4×2, EURO II, extended cab)

Model of Representative Vehicle	ZZ4187M3511W	ZZ4187N3511W	ZZ4187S3511W	ZZ4187V3511W
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
Model	WD615.87	WD615.69	WD615.47	D12.42
Rated Power kW/rpm	213/2200	247/2200	273/2200	309/2000
Max. Torque Nm/rpm	1160/1100-1600	1350/1100-1600	1500/1100-1600	1820/1100-1500
Discharge L	9.726			11.596
Type	In-line, six cylinders, supercharging intercooling, 2 valves and rear supercharger for wd615 engine, 4 valves and central supercharger for D12 engine.
Clutch	Φ430 diaphragm spring clutch, hydraulic control, air booster; D10.38/D12.38/D12.42 standard configuration 430A; D10.34 standard configuration 430B.
Transmission	Sinotruk HW series 10-speed transmission; a primary gearbox + a secondary gearbox; primary gearbox: double countershafts; secondary gearbox: planetary reduction; D10.34 standard configuration; HW15710, D10.38/D12.38/D12.42 standard configuration HW19710; optional configuration HW19710T with synchronizer.
Front Axle	HF7, rated load 7T, disc-type or drum-type
Rear Drive Axle	HC16 double reduction, casting axle housing, speed ratio standard configuration 4.8, optional configuration 5.73
Suspension	Front/rear leaf spring suspension, shock absorber and transverse stablizer
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: EVB + engine exhaust brake, optional configuration ABS and automatic slack adjuster.
Electric System	voltage: 24V; dynamo:1540W; starter: 7.5kW; storage battery: 2×12V/165Ah
Tyre	12.00R20; optional 12R22.5 and 315/80R22.5
Tank Capacity L	Standard configuration 400L, optional configuration 600L
Curb Weight kg	7180	7180	7180	7230
Gross Mass kg	18000	18000	18000	18000
Max. Towed Mass kg	34400	37100	38600	38600
Allowable Load of Saddle kg	10690	10690	10690	10640
Dimensions (L*W*H) mm	6110×2496×2958	6110×2496×2958	6110×2496×2958	6110×2496×2958
Wheel Base mm	3500	3500	3500	3500
Front Overhang/Rear Overhang mm	1500/1110	1500/1110	1500/1110	1500/1110
Wheel Track (Front/Rear) mm	2022/1850	2022/1850	2022/1850	2022/1850
Min. Ground Clearance mm	314	314	314	314
Approach Angle/Departure Angle °	16/42	16/42	16/42	16/42
Max. Speed km/h	102	102	102	92
Max. Climbing Capacity %	20	20	20	20
Min. Turning Diameter m	14	14	14	14
Ground Clearance of Saddle Joint (Empty/Full) mm	1330/1297	1330/1297	1330/1297	1330/1297
Front/Rear Turning Radius mm	2220/1820	2220/1820	2220/1820	2220/1820
Traction Pin Size	50#（2inches）	50#（2inches）	50#（2inches）	50#（2inches）

 

Remarks: 1. The performance parameters in the table are theoretical reference data under the condition of driving on the good road surface, the actual data varies from actual working conditions and drivers’ driving habits.
2. For sake of product improvement and technical promotion, the vehicle parameters are subject to change without prior notice.