Howo 50 Ton Dump Truck (Sinotruck)

The SINOTRUK HOWO 8×4 Dump Truck is a flagship heavy-duty vehicle engineered by China National Heavy Duty Truck Group (SINOTRUK), one of the world’s leading commercial vehicle manufacturers. Renowned for its rugged reliability, high payload capacity, and operational efficiency, this 50-ton class dump truck is the workhorse of choice for the most demanding industries, including open-pit mining, large-scale infrastructure construction, and heavy aggregate haulage .

Built to withstand continuous operation in harsh environments, the HOWO 8×4 combines a powerful, fuel-efficient engine with a robust driveline and a reinforced chassis, ensuring maximum uptime and profitability.

Key Specifications at a Glance

• Drive Configuration: 8×4 (2 front steering axles, 2 rear drive axles)

• Nominal Payload: 40 – 50 Tons

• Engine Power: 371 HP – 400 HP

• Transmission: SINOTRUK HW19710 (10-speed manual with PTO)

• Cabin: HW76 / TX-F Cab (LHD or RHD options)

• Body Capacity: 25 – 30 CBM (Heavy-duty steel body)

Detailed Technical Features

1. Powertrain: Power and Efficiency

At the heart of the HOWO 50-ton dump truck lies a proven SINOTRUK WD615.47 (or optional WP12) diesel engine. This 9.726L, 6-cylinder in-line engine utilizes a 4-stroke direct injection system with turbocharging and intercooling technology .

• Performance: Delivering between 371HP and 420HP, it provides immense torque at low RPMs, ensuring superior traction and the ability to climb steep grades even under full load .

• Fuel Efficiency: Advanced BOSCH high-pressure common rail systems (in newer models) optimize fuel injection up to 1600bar, ensuring complete combustion, reduced fuel consumption, and lower emissions (Euro 2/5 compliant) .

2. Transmission and Driveline

Power is channeled through the robust SINOTRUK HW19710 gearbox, a 10-forward and 2-reverse speed manual transmission .

• Durability: Featuring a double intermediate shaft design, this gearbox is known for its high reliability, easy shifting, and ability to handle sudden shock loads common in off-road dumping operations .

• Power Take-Off (PTO): Equipped with an HW50 PTO, it seamlessly drives the hydraulic lifting system for the tipper body .

3. Chassis and Suspension

The vehicle is built on a heavy-duty U-profile parallel ladder frame (typically 300x80x8mm or 330x90x8mm) with fully cold-riveted cross members, providing exceptional torsional rigidity .

• Axles:

  • Front Axles (HF9/VGD95): Heavy-duty steering axles rated at 9,000 kgs each, designed to handle rough terrain .

  • Rear Axles (HC16): Double reduction drive axles rated at 16,000 kgs each. They feature pressed axle housings and hub reduction, which multiplies torque at the wheels and reduces stress on the driveline. Differential locks (inter-axle and cross-axle) provide maximum traction in muddy or slippery conditions .

• Suspension: Heavy-duty multi-leaf spring suspensions (10-leaf front, 12-leaf rear) combined with hydraulic telescopic double-action shock absorbers and stabilizers, ensuring stability during loading and dumping .

4. Dump Body and Hydraulics

The cargo body is constructed from high-strength, wear-resistant steel (typically floor: 8mm, sides: 6mm) to withstand impact from loading large rocks and aggregates .

• Capacity: Common body dimensions range from 7300mm to 8000mm in length, offering a heaped capacity of roughly 25 to 30 cubic meters .

• Lifting System: Utilizes a robust front-lift telescopic hydraulic cylinder (often a renowned brand like HYVA), ensuring fast and reliable 50-degree dumping angles for quick material discharge .

5. Cabin and Driver Comfort

The HOWO cab (HW76 or TX series) is designed with operator comfort and safety in mind, featuring a modern interior co-developed with Italian designers .

• Ergonomics: Equipped with a 4-point full-floating air suspension system and shock absorbers to dampen vibration, a damped and adjustable air-suspension driver’s seat, and an adjustable steering wheel, significantly reducing driver fatigue .

• Convenience: Includes an integrated air conditioning system, power windows, exterior sun visor, and optional multimedia systems with Bluetooth and reverse cameras for enhanced visibility and safety .

• Safety: The cab features a rigid one-piece steel frame structure that has passed stringent crash tests, ensuring maximum occupant protection .

Applications

The versatility of the SINOTRUK HOWO 8×4 makes it ideal for:

• Mining Operations: Hauling overburden and ore in open-pit mines .

• Construction Sites: Transporting sand, gravel, and earth for road building and large-scale excavation .

• Quarries: Moving crushed stone and aggregates from the pit to the processing plant.

• Infrastructure Projects: Dam construction, port development, and large-scale earthmoving tasks.