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Underground hard rock haulage
WX04B
LHD
- Tramming capacity (kg) 4 000
- Tramming capacity (lbs) 8,800
- Bucket Capacity (m^3) 1.9
- Bucket Capacity (yd^3) 2.5
Komatsu’s first battery electric LHD
Komatsu's WX04B is a groundbreaking battery-electric load haul dump (LHD) designed for narrow vein underground hard rock mining. As the only 4-tonne machine with a ground-level battery swap, zero underground diesel emissions and an onboard battery management system (BTMS), the WX04B sets a new standard for efficiency, productivity and sustainability in underground mining operations.
- Ground level battery change system designed to maximize availability and productivity
- Highest battery energy density in class maximizes runtime
- Zero diesel emissions underground LHD promotes a cleaner, healthier working environment
Features and benefits
Enhanced battery performance
The batteries are equipped with a battery thermal management system (BTMS) to help maintain proper battery temperature during storage and operation for maximized machine performance, battery life and reduced downtime.
Work efficiently and flexibly
Maximize uptime and enhance productivity with quick and easy ground-level battery swaps, which eliminates the need to invest in complex infrastructure such as overhead cranes and rigging, increasing flexibility in your mining operations.
Handle harsh conditions
Our battery modules are built to withstand the toughest underground mining conditions. Designed to withstand extreme temperatures, heavy shock & vibrations and dusty environments without compromising performance.
Prioritize operator health
Battery electric technology helps create a cleaner underground environment by eliminating diesel exhaust emissions. Battery electric machines reduce heat, noise, vibration as well as ventilation needs compared to diesel machines, lowering operating costs and boosting energy efficiency.
Self-sufficient design
The WX04B is equipped with an onboard tram battery so you can move short distances and exchange battery pods independently, eliminating the need for external power or equipment.
Proven reliability and performance
Based on the high-performance and class-leading WX04 diesel LHD, the WX04B shares many parts, components and structures with its industry-proven counterpart for a strong foundation.
Minimize disruptions, maximize output
The WX04B's extended battery life helps reduce downtime for battery swaps, enabling efficient material transportation, boosting overall productivity and minimizing operational interruptions in your underground mining process.
Battery as a Service (BaaS)
Achieve upfront cost savings and reduced maintenance with Komatsu's BaaS program. Our skilled technicians will handle battery management, repairs and replacements so you can focus on your operations.
Health and safety first
Our battery-powered equipment is designed reduce heat, noise and vibration to promote a healthier and more comfortable working environment, enhancing productivity, safety and overall well-being.
Designed for zero-harm
Mechanically isolated batteries, protected by a double hull system and equipped with advanced cell monitoring, are designed specifically to withstand harsh underground mining environments.
Power up performance
The electric hydraulic pumps in the WX04B deliver exceptional efficiency. They help reduce power losses while enhancing performance and productivity.
Operate your machine remotely
The WX04B offers remote operation with a wireless control for enhanced safety and operator convenience. Its unique brake release recovery hook system provides an added layer of security.
Specifications
- Full specs
- Bucket capacity* (m^3): 1.9
- Bucket capacity* (yd^3): 2.5
- Operating weight (lbs): 38,600
- Operating weight (kg): 17 500
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General
- Transmission: High/low drop box
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Axles
- Front and rear: Dana 14D; speeds: 2 forward/2 reverse
- Differential, front: Limited slip
- Differential, rear: No spin
- Brakes: Electric motor regen + SAHR brakes
- Oscillation angle (deg): +/- 5
- Tires: 12.00 X 24 BIAS L5S (As applications vary, local tire supplier should be consulted for appropriate tire.)
- Rollback time (s): 3.1
- Operating weight (kg): 17 500
- Operating weight (lbs): 38,600
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Axle weight with load
- Front axle (kg): 12 655
- Front axle (lbs): 27,900
- Rear axle (kg): 8 845
- Rear axle (lbs): 19,500
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Axle weight without load
- Front axle (kg): 6 255
- Front axle (lbs): 24,800
- Rear axle (kg): 11 245
- Rear axle (lbs): 24,800
- Dump time (s): 1.7
- Tramming capacity (kg): 4 000
- Tramming capacity (lbs): 8,800
- Hydraulic breakout force lift (lbs): 25,047
- Hydraulic breakout force lift (kg): 11 361
- Hydraulic breakout force tilt (lbs): 20,258
- Hydraulic breakout force tilt (kg): 9 189
- SAE breakout force (lbs): 22,410
- SAE breakout force (kg): 10 165
- SAE static tipping load (kg): 18 370
- SAE static tipping load (lbs): 40,499
- Front and rear frames: Welded steel box construction
- Material: ASTM A572 GR50 (CSA G40.21-50W)
- Batteries: 2 x 12V
- Driving and working lights: 2 forward/3 rear
- Voltage: 24V
- Hoist cylinder: Two (2), double acting, single stage
- Dump cylinder: One (1), double acting, single stage, Z-link
- Steer cylinder: One (1), double acting, single stage
- Turning time: left (s): 3.4
- Turning time: right (s): 2.7
- Brake system: Service brakes are enclosed spring-applied, hydraulically released, liquid cooled multi-disc on all four wheel ends. The service brakes also functions as emergency and park brakes. Brakes will apply upon loss of hydraulic pressure or electrical power.
- Raising motion time (s): 3.6
- Lowering motion time (s): 2.7
- Digital vehicle control system: Multicolor touch display
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