Products Description
To solve harsh working conditions, frequent heavy loads and high maintenance costs in mining and construction transportation, the SINOTRUK HOWO 6×4 dump truck targets short-to-medium haul bulk logistics. It features three core strengths: powerful reliable powertrain, heavy-duty reinforced cargo box and rugged all-terrain chassis, making it the cost-effective flagship vehicle for global construction and mining fleets.
Stable Heavy-Duty Powertrain & Strong Climbing Performance
A dependable power system is the foundation of continuous high-intensity operation on construction sites and mines. The HOWO 6×4 dump truck leads the market in reliability for medium-duty mining dump trucks.
High-Torque Diesel Engine: Equipped with mature 371HP heavy-duty diesel engine, it delivers ample low-speed torque, offering powerful climbing ability for rugged mountain roads and mine slopes.
Robust Manual Transmission: Matched with heavy-duty manual gearbox with thickened gear components, it resists impact from frequent loading and unloading, achieving steady power output without gear failure.
Outstanding Gradeability: Sufficient power reserve handles steep ramps and fully loaded transport, supporting long-hour continuous operation to meet tight schedules of sand, ore and muck transportation.

This is the rear cargo box of the SINOTRUK HOWO 6×4 dump truck. The whole carriage is fabricated with thick high-strength steel plate and built-in reinforced rib structures, greatly improving anti-collision and anti-deformation performance when transporting ore, sand and construction waste.
The reliable chain locking mechanism is fitted at the rear to tightly fasten the tailgate and prevent cargo leakage during transit.
Equipped with standard combined LED tail lights and red-white reflective rear bumper, the vehicle meets global road safety standards. The heavy-duty rear suspension and deep tread off-road tires provide outstanding load-bearing capacity and excellent traction, adapting to muddy construction sites and rugged mining roads for long-hour heavy-duty transport
6×4 Dump Truck – Key Operational Pain Points
Payload Limitation – Legal GVW caps (typically 25–35T) restrict per-trip revenue, forcing operators into either underloading or risking fines for overloading.
Drivetrain Failures – Frequent rear axle breakage, transmission issues, and oil leaks reported within low mileage, leading to costly downtime.
Braking System Defects – Brake drums wear out prematurely (front at ~5,000 km, rear prone to fracture), and air valve leaks compromise safety.
Steering Heaviness – Poor steering response and soft front leaf springs reduce load stability and accelerate suspension wear.
Poor Cabin Ergonomics – Excessive vibration, poor sealing, cramped space, and high noise levels cause operator fatigue and lower productivity.
Assembly Quality Issues – Loose fasteners, brittle wheel lug nuts, and incompatible aftermarket parts lead to recurring maintenance headaches.
Weak After-Sales Support – Unresolved faults, inconsistent warranty application, and service refusal force operators into expensive out-of-pocket repairs.
Summary: The 6×4 dump truck offers a balanced configuration but suffers from payload constraints, mechanical reliability issues, poor ride quality, and subpar post-sale support-all of which directly impact operational efficiency and total cost of ownership.
Sinotruk HOWO Standard Power: Weichai Heavy-Duty Diesel Engine
This is a Weichai diesel engine for Sinotruk HOWO heavy trucks. HOWO belongs to Sinotruk, and Weichai Power supplies high-performance heavy-duty engines.
This turbocharged engine has strong load resistance, low fuel consumption and multiple power options, meeting Euro emission standards.
It is widely used for mining, construction and long-distance transport globally.






