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WJ3 Scooptram
- YUCHAI Turbocharged Engine
- SHANTUI Hydraulic Torque Converter
- Pilot Control System
- Multi-disc Wet Brakes
WJ-3 Scooptram: High-Performance Underground Mining Loader
The WJ-3 Scooptram is a robust underground mining loader engineered for efficient material handling in challenging environments. Powered by the reliable Yuchai 4A series turbocharged engine meeting China National III emission standards, this machine delivers exceptional torque and fuel efficiency. The advanced hydraulic pilot control system simplifies operations while maximizing productivity. With reinforced frame construction, sealed multi-disc wet brakes, and an innovative water filtration exhaust system, the WJ-3 significantly reduces air pollution in underground mining operations.
This versatile scooptram excels at integrated shovel, load, transport, and dump operations. Whether for ore recovery, tunnel excavation, road construction, or material transportation, the WJ-3 combines compact structure with powerful performance to enhance your mining efficiency while maintaining operator comfort and environmental responsibility.
Advanced Features & Benefits
Power System
Equipped with Yuchai 4A series turbocharged engine with high torque output, meeting China National III emission standards for reduced environmental impact.
Transmission System
Utilizes Shantui hydraulic torque converter and power shift transmission for enhanced reliability and smoother operation.
Working System
Pilot-controlled operation simplifies working procedures and significantly improves operational efficiency.
Steering System
Hydraulic pilot steering ensures smooth and precise steering control for enhanced maneuverability.
Braking System
Sealed multi-disc wet brakes provide excellent braking performance and extended service life.
Emission Control
Water filtration system for exhaust gases significantly reduces air pollution in underground environments.
Durable Construction
Reinforced frame with thicker steel plates enhances overall rigidity. Bucket cutting edge made of high-strength alloy steel with V-shaped structure reduces digging resistance and extends service life.
Tire Configuration
Wear-resistant, puncture-proof smooth rubber tires provide excellent traction and durability in harsh mining conditions.
Versatile Operation
Integrated shovel, load, transport, and dump operations with compact structure and easy handling. Suitable for mining recovery, tunnel excavation, road construction, and material transportation.
Technical Specifications
| Parameter | WJ-3 | WJ-3A |
|---|---|---|
| Bucket capacity (m³) | 2.6 | 3.0 |
| Rated load (T) | 5.0 | 6.0 |
| Operating weight (T) | 16.5 | 17.6 |
| Speed (km/h) | 0-19 | 0-30 |
| Forward gear (km/h) | I 0-5 II 0-8 III 0-19 | I 0-5 II 0-8 III 0-19 |
| Reverse gear (km/h) | I 0-5 II 0-8 III 0-19 | I 0-5 II 0-8 III 0-19 |
| Max. climbing gradient | 16° | 16° |
| Overall dimensions L×W×H (mm) | 8190×2000×2300 | 8500×2130×2250 |
| Turning radius (mm) | 3010 (Inner side) 5460 (Outside) | 2934 (Inner side) 5738 (Outside) |
| Min. ground clearance (mm) | 290 | 305 |
| Wheel base (mm) | 2925 | 2925 |
| Track | 1550 | 1550 |
| Max. dumping height (mm) | 2300 | 2300 |
| Dumping reach (mm) | 1250 | 1250 |
| Engine model | Yuchai YC4A | Yuchai A07 |
| Rated power (kW) | 118 | 140 |
| Tire model | 14.00-24 | 17.5-25 |
Frequently Asked Questions
What is the maximum payload capacity of the WJ-3 Scooptram?
The WJ-3 has a rated load capacity of 5.0 tons, while the WJ-3A variant offers an increased capacity of 6.0 tons. Both models provide exceptional power-to-weight ratios for efficient underground material handling and transport operations.
What emissions standards does the Yuchai engine meet?
The Yuchai 4A series turbocharged engine meets China National III emission standards. Additionally, the WJ-3 features a water filtration exhaust system that significantly reduces air pollution in underground mining environments, making it an environmentally responsible choice.
What are the main applications for this scooptram?
The WJ-3 scooptram is designed for versatile underground mining operations including ore extraction from stopes, tunnel excavation and mucking, mine road construction and maintenance, material transportation, and general underground utility work. Its compact design allows operation in confined spaces while delivering high productivity.
What makes the braking system reliable for underground use?
The WJ-3 utilizes sealed multi-disc wet brakes, which provide excellent braking performance even in wet or dusty underground conditions. These brakes are fully sealed against contamination, offer consistent stopping power, require minimal maintenance, and provide extended service life compared to dry braking systems.
How does the steering system improve maneuverability?
The hydraulic pilot steering system provides smooth and effortless control with precise responsiveness. This allows operators to navigate narrow mine tunnels and tight working faces with confidence, reducing operator fatigue during long shifts while maintaining precise machine placement for loading operations.
What is the durability of the bucket construction?
The bucket features a cutting edge manufactured from high-strength alloy steel with a V-shaped structural design. This configuration reduces digging resistance, improves penetration into muck piles, resists wear and shear forces, and significantly extends the operational life of the bucket even in abrasive mining conditions.
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