- DALI
- China
- 500 pcs per year
It offers reduced dilution, better flexibility, and operator safety while working in narrow vein operations. Easy to operate and maintain, and it features an operator compartment that is located in the rear frame of the machine to ensure increased operator safety.
The WJ-4 scooptram is full of features to help mines maximize tonnes and minimize extraction costs. Engineered to optimize machine width, length and turning radius, enabling operation in narrower tunnels for less dilution and lower operational costs.
Compact and lightweight Load Haul Dump (LHD) for narrow vein mining. (Remote Control Available)
Capacity
Standard Bucket（SAE） | 4.5m³ |
Rated Payload | 10000 kg |
Max. Traction | 230kN |
Max. Breakout Force | 190kN |
Dimension Parameters
Tramming Dimension | 9831*2450*2396 mm |
Ground Clearance | 380 mm |
Wheelbase | 3495 mm |
Departure Angle | 15° |
Turning Angle | 42° |
Turning Radius | 3230mm / 6495mm |
Discharge Distance | 1700 mm |
Dumping Angle | 38° |
Max. Dumping Height | 1888 mm |
Weight
Operation Weight | 28500 kg |
Front axle load | 10950 kg |
Rear axle load | 17550 kg |
Loaded Weight | 38500 kg |
Front axle load | 24150 kg |
Rear axle load | 14350 kg |
Motion times
Lifting motion time | 6.8s |
Lowering Time | 4.4s |
Speed
Speed(4 gear forward, 4 gears reverse) | 1st gear： 0-4.2km/h |
2nd gear: 0-8.7km/h | |
3rd gear: 0-14.7km/h | |
4th gear: 0-24.5km/h |
Frames & Cab
The frame is made of Q460 high-strength alloy steel, while the bucket material is HARDOX 600.
Closed cab, equipped with air conditioning, in compliance with FOPS/ROPS standards, with a framed steel structure cab, safe and reliable.
Safety System ○Optional ●Standard
○Engine Fire Suppression system
●Cameras at forward and reverse sides
●Exhaust pipe insulation
●Portable fire extinguisher 8kg x 1
●Turbocharger cover
●Emergency release electric pump
●Emergency steering electric pump
●Lock-up main power switch
○Tire Pressure Detector
Energy Isolation
Lockup main power switch
Emergency stop button
Articulation locking bar
Key Advantages
Optimized dimensions for narrow lanes achieve a minimal turning radius, enabling flexible operation in confined spaces.
The innovative rear-mounted cab layout provides enhanced visibility and safety for the operator.
The 40° articulated steering system ensures excellent maneuverability in narrow working areas.
Excellent Performance
Enhanced boom and load frame geometry maximizes digging and loading efficiency.
Four-wheel drive with a front axle zero-slip differential and a rear axle limited-slip differential provides strong traction.
SAHR braking system (spring-applied hydraulic release) ensures both working and parking brakes. Dual reliability
Intelligent operation and maintenance
A fully automatic alarm system monitors oil temperature, oil pressure, and electrical system operating status in real time.
A low-vibration cab design significantly improves operator comfort and efficiency.
Energy-saving and environmentally friendly
A German Deutz water-cooled turbocharged engine achieves an ideal balance of power and fuel efficiency.
An ECS catalytic converter from Canada effectively controls exhaust emissions and noise pollution.
