SINOTRUK HOWO A7 (A7-G) 6x4 Tractor Truck Specification

Chassis Model

ZZ4257N3241N1B

Driving Type

LHD (RHD is optional)

Cabin

A7-G cab, double berth and two seats, 2-arm windscreen wiper system with three speeds, damped adjustable driver's seat, with heating and ventilating system, exterior sun visor, safety belts, adjustable steering wheel, air horn,air conditioner , with transverse stabilizer,with 4-point support fully floating suspension + shock absorber.

Engine

Engine model: D12.42, Euro 2, 420HP
Diesel 4-stroke direct injection diesel engine, 6-cylinder in-line with water cooling, turbo-charging and intercooling
Displacement: 11.596 L

Transmission

HW19712, 12F & 2R.
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)

Steering

ZF power steering,modol ZF8118, hydraulic steering with power assitance

Front Axle

HF9, 1x9000 KGS
Steering with doubleT-cross section beam

Rear Axle

HC16,2x16000 KGS, drum brake equipped with ABS system.
Pressed axle housing,central single reduction with hub reduction,with differential locks between wheels and axles.
Ratio: 4.42

Propeller Shaft

Double universal joint propeller shaft with gear-shaped coupling flange

Chassis

Frame:Uprofile parallel ladder frame with section of 300x80x8mm,reinforced subframe all cold riveted cross members
Front suspension:4 semi elliptic leaf spring, hydraulic telescopic double-action shock absorbers and stabilizer
Rear suspension:5 leaf semi elliptic springs, bogie spring and stabilizer

Brake

Service brake: dual circuit compressed air brake
Parking brake (emergency brake): spring energy, compressed air operating on front shaft and rear wheels
Auxiliary brake: engine exhaust brake

Electrics

Operating voltage: 24 V, negative grounded
Starter: 24 V, 5.4 Kw
Alternator: 3-phase, 28 V, 1500 W
Batteries: 2 x 12 V,165 Ah
Cigar-lighter, horn, headlamps, fog lights, brake lights, indicators and reverse light

Tyres

12.00R20, one spare tires

Fuel Tank

400L (600L optional)

Fifth Wheel

90#

Overall Dimension 

7100*2550*3800 mm