HOWO-A7 Tractor (4×2)

HOWO-A7 Tractor basic configurations and main technical parameters (4x2, Euro Ⅱ,high floor extended)

Typical vehicle model

ZZ4187N3517N1B/N2PA

ZZ4187N3517N1B/S2PA

ZZ4187N3517N1B/S2PC

ZZ4187N3517N1B/V2PC

Cab

Model

A7-P

Type

High floor extended cab, four-point air suspension + shock absorber + transverse stabilizer, splited single berth, air suspension driver's seat, up/down and front/back abjustable steering wheel, BEHR European-style new integral A/C heater, VDO instrument, CAN bus and electrics control system, safety belt with double locking mechanism, power window and rearview mirror, three locks combined in one, exterior sun visor, top wind deflector + side air deflector, electronic hand throttle.

Engine

Model

D10.34

D10.38

D12.38

D12.42

Rated  power, kW/rpm

249/1,900

279/2,000

279/2,000

309/2,000

Maximum torque, Nm/rpm

1,490/1,200-1,500

1,590/1,200-1,500

1,650/1,100-1,500

1,820/1,100-1,500

Displacement, L

9,726

9,726

11,596

11,596

Type

Inline 6 cylinders supercharged interceding, central supercharger, electronic high pressure and common rail

Clutch

φ430diaphragm spring clutch, hydraulic control air power assisted. Standard 430A type for D10.38, D12.38 and D12.42 engine, and standard 430B for D10.34 engine.

Transmission

SINOTRUK HW series 10 speed transmission, main and auxiliary transmission structure, main transmission with double countershaft, auxiliary transmission with planetary reducer. Standard HW19710 for D10.34, D10.38, D12.38 and D12.42 engine, optional HW19710T with synchronizer.

Front axle

HF7, rated load of 7t, disc-type or drum-type

Drive axle

ST16 double reduction (speed ratio of 3.93, 4.42; 4.8)

Suspension

Front and rear leaf spring suspension + shock absorber + transverse stabilizer

Steering system

ZF8098 steering gear, ZF steering oil pump, system pressure of 18MPa

Brake system

Service brake: dual-circuit pneumatic brake; parking brake: energy storage spring cutoff brake; auxiliary brake: EVB + engine exhaust brake. With ABS optional automatic slack abjuster.

Electrical system

CAN bus control, voltage: 24V; generator: 2240W; starter: 7.5KW; battery: 12V/165Ah, 2 pieces

Type

315/80R22.5; 12.00R20

Tank volume, L

Standard 400L, optional 600L

Kerb weight, kg

6800

6800

6800

6800

Gross mass, kg

18000

18000

18000

18000

Authorized maximum towed mass, kg

35000

35000

35000

35000

Permissible fifth sheel load

11,070

11,070

11,070

11,070

External dimensions (length x width x height), mm

6160x2496x3560

6160x2496x3560

6160x2496x3560

6160x2496x3560

Wheelbase

3500

3500

3500

3500

Front/rear overhang, mm

1540/1120

1540/1120

1540/1120

1540/1120

Wheel track (front/rear), mm

2022/1830

2022/1830

2022/1830

2022/1830

Minimum ground clearance

314

314

314

314

Approach/departure angle

15/38

15/38

15/38

15/38

Maximum speed, km/h

95

100

100

100

Maximum hill-holding ability

20

20

20

20

Minimum turning diameter

14

14

14

14

Ground clearance of fifth wheel joint face

1,325

1,325

1,325

1,325

Traction pin specification

50#(2 in)

50#(2 in)

50#(2 in)

50#(2 in)