The WJ-3 is designed for loading, hauling, and dumping ore in underground mining tunnels. It 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
| Main parameter | |
| Bucket volume | 3 m3 |
| Rated loading capacity | 6 metric ton |
| Maximum traction force | 150 kN |
| Maximum shovel force | 120 kN |
| Maximum unload height | 2100 mm |
| Maximum unload distance | 1650 mm |
| Minimum unload angle | 40o |
| Minimum ground clearance | 330 mm |
| Rear axle swinging angle | ±8° |
| Turning radius (outer) | 6100 mm |
| Turning radius (inner) | 3100 mm |
| Grade ability (full load) | 14° |
| Hoist | 6 sec |
| Descent | 4 sec |