SINOTRUK HOWO 6×4 Cargo Truck Series (336HP – 371HP)

Name: SINOTRUK HOWO 6x4 Cargo Truck Series (336HP - 371HP)
SKU: SKU-247

The SINOTRUK HOWO 6x4 Cargo Truck series is the ultimate heavy-duty logistics solution, featuring reliable WD615 engines (336HP & 371HP) and the classic HW76 sleeper cab. Engineered with a high-strength chassis, heavy-duty HF7/HF9 front steering axles, and multiple cargo body sizes up to 9,500mm, it delivers unbeatable payload capacity, driving comfort, and low operational costs for long-haul transport.

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Product Details

Cargo Truck
SINOTRUK — HOWO 6×4 Series

SINOTRUK HOWO 6×4 Cargo Truck Series

The SINOTRUK HOWO 6×4 Cargo Truck series is a global benchmark in heavy-duty commercial transport, globally renowned for its exceptional powertrain, robust loading capacity, and legendary durability. Engineered for cross-regional logistics, intercity freight, and heavy bulk material handling, this series integrates the reinforced HW76 extended cabin with advanced WD615 turbocharged engines (available in 336HP and 371HP configurations) to maximize transport efficiency and lower your fleet’s total cost of ownership.

Basic Information & Dimensions

Brand & Series	SINOTRUK — HOWO 6×4 Heavy Duty Cargo Truck
Typical Truck Models	ZZ1257N4341W / ZZ1257N4641W / ZZ1257N5247A / ZZ1257N5847W
Cabin Configuration	HW76 Extended Cab (One berth, with A/C, all-steel forward control, 55° hydraulically tiltable, 4-point floating suspension)
Wheelbase Options	4,300+1,400mm \| 4,600+1,400mm \| 5,200+1,400mm \| 5,800+1,400mm
Cargo Body Sizes (L×W×H)	7,100 × 2,300 × 2,200 mm 7,650 × 2,300 × 2,200 mm 8,650 × 2,300 × 2,200 mm 9,500 × 2,300 × 2,200 mm
Clutch Specifications	Single-plate dry diaphragm spring clutch (Diameter 430(C) mm), hydraulically operating with air assistance
Wheel, Rims & Tyres	Rims: 8.0-20, 10 hole-steel \| Tyres: 11.00-20 tube (Options: 12.00-20 tube, 12.00R20 tube)

Engine & Powertrain

Engine Model & Type	SINOTRUK WD615.69 / WD615.47 — 6-cylinder in-line with water cooling, turbo-charging & intercooling
Rated Power Output	336 HP (247 kW/rpm) for WD615.69 371 HP (273 kW/rpm) for WD615.47
Displacement	9.726 L
Transmission System	SINOTRUK HW Series 10/12/16 speed transmission (Standard: 10 forward and 2 reverse gears)

Performance, Axles & Components

Front Axle	Steering axle with double T-cross section HF7 / HF9
Drive Axle	Pressed axle housing, central single reduction ST16 / MCY (Q) / HC16 / AC16 (Ratio options: 3.93, 4.42, 4.8, 5.73)
Heavy Duty Chassis Frame	U-profile parallel ladder type with section of 320×90×8 mm, all cold riveted cross members and reinforced subframe
Suspension Setup	Front: 9 semi-elliptic leaf springs with hydraulic telescopic double-action shock absorbers and stabilizer Rear: 9+6 semi-elliptic leaf springs with hydraulic telescopic double-action shock absorbers and stabilizer
Steering & Fuel Tank	Germany ZF hydraulic steering with power assistance \| 400 L Aluminum fuel tank with locking fuel cap
Braking System	Service brake: dual circuit compressed air brake \| Parking brake: spring energy, compressed air operating on rear wheels \| Auxiliary brake: engine exhaust brake (ABS Optional)
Electrical System	Operating voltage: 24V \| Starter: 24V, 5.4KW \| Alternator: 28V, 1540W \| Batteries: 2×12V, 165Ah Included: Cigar-lighter, horn, headlamp, fog light, brake lights, indicators and reverse lamp

Why Choose the SINOTRUK HOWO

Heavy-Duty Cargo Capacity

Featuring high-tensile parallel ladder frames and customizable cargo box sizes up to 9.5 meters, optimized to handle maximum payload volumes safely.

Legendary WD615 Powertrain

Equipped with high-torque 336HP and 371HP turbocharged engines, paired seamlessly with HW transmissions for unrivaled gradeability and fuel efficiency.

Ergonomic HW76 Cabin

Designed for long-haul fatigue reduction with full climate control (A/C), an integrated sleeper berth, 4-point floating suspension, and superior sound isolation.

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