WJ-3 Underground Wheel Loader 7 ton payload

The WJ-3 is designed for loading, hauling, and dumping ore in underground mining tunnels. It features:

• Cummins/Volvo Penta water-cooled, low-emission turbocharged engine
• Torque converter + hydrostatic transmission
• Canadian DOC catalytic purifier + muffler for reduced emissions
• Oscillating rear axle for improved maneuverability
• Wet multi-disc brake axle with spring-applied/hydraulic-release parking/emergency brake (maintenance-free)
• Dual steering cylinders for precise hydraulic power steering
• Dual lift cylinders + single bucket cylinder for efficient loading
• ROPS/FOPS-certified cab (SAE & GB/T 5143 compliant)
• Wear-resistant bucket edges with hardened steel plates

Key Features

✔ Hydrostatic drive – Smooth and responsive operation
✔ 4WD – Superior traction and gradeability (25% slope)
✔ Rigid frame – Enhanced stability and adhesion
✔ Cut-resistant smooth tires – Extended service life
✔ Dual-articulated frame – Tight turning radius (3.1m inner)
✔ Full hydraulic steering – Precise control
✔ Wet disc brakes – Reliable, maintenance-free braking
✔ Cummins China IV engine – Low emissions with DOC aftertreatment
✔ ROPS/FOPS cab – 360° visibility + operator safety