HW7D 371 70 Tons Mining Truck – U-Shape Dump Box

The HW7D 371 70 tons mining truck is a specialized model designed for heavy-duty transportation in mining and quarrying operations. Based on the classic HOWO cabin design, this upgraded version features a superior configuration exclusively customized by VIMID. It offers outstanding advantages in the dump truck body and hydraulic system, ensuring exceptional durability, stability, and reliability during operation.

EXTERIOR DESIGN

The HW7D single-seat cabin features a bold, rugged design exuding strength and power.

The HW7D cabin on the “371 70 Tons Mining Truck”, which was customized by VIMID is a tilting type with a 53° tilt angle and a reinforced frame structure mounted directly on the chassis.

Equipped with durable Halogen headlights that offer long lifespan, energy efficiency, and easy maintenance or replacement.

Large rearview mirrors ensure wide visibility in all directions, allowing safe operation in various working environments.

INTERIOR DESIGN

The interior features a modern gray–white tone. This mining truck has a spacious and airy cabin environment.

Designed with one sleeper bed and one ergonomic driver’s seat, providing comfort during long operations in mining and quarrying sites.

The central control panel is scientifically arranged, integrating all essential functions for a heavy-duty truck.

The entire cabin ceiling is made of heat- and sound-insulated materials, reducing cabin noise significantly.

The cab offers a wide, multi-directional view with a width of up to 3,300 mm, ensuring safe operation even in harsh and complex working conditions.

POWERTRAIN AND TRANSMISSION

Engine:

• Engine Model: WD615.47 (371Hp) – 4-stroke, 6-cylinder turbocharged diesel engine.
• Engine Displacement: 9,726 cm³
• Maximum power: 273 kW /  2,200 rpm
• Maximum torque: 1,500 Nm / 1,100–1,600 rpm
• Emission standard: Euro 2
• The EVB exhaust brake valve delivers smoother performance, greater power, and improved stability.

Gearbox: HW21712

• Type: 12 forward + 2 reverse gears

Axles: Man-Technology

• Front axle: HF VGK20
• Rear axle: MCK45ZG (Rear axle ratio: 10.47)
•  This setup ensures exceptional stability and fuel efficiency.

DUMP BOX

• Length: 6,000 mm
• Side thickness: 12 mm
• Bottom thickness: 20 mm
• Side curves and tailgate reinforced with 7–10 mm thick steel plates
• Material: K450 high-strength wear-resistant steel — 4 times more durable than conventional Q345B steel.

Upgraded tailgate locking mechanism raised by 50 cm, allowing safe unloading of larger rock and ore materials.

HYDRAULIC SYSTEM

• Hydraulic Piston Cylinder: SUNHUNK 224-4 
• Maximum outer diameter 224 mm, 4-stage cylinder