Komatsu WA900-8 Wheel Loader: Specifications, Features, and Applications

[MikePhua]

Introduction
The Komatsu WA900-8 wheel loader is a high-performance machine designed for heavy-duty applications in mining and large-scale construction projects. As the latest iteration in the WA900 series, the WA900-8 offers enhanced productivity, durability, and operator comfort. This article provides an in-depth look at the WA900-8's specifications, features, and real-world applications.
Specifications

• Engine Power: 899 HP (671 kW) at 2,050 rpm
  
• Operating Weight: 116,400 kg (256,618 lbs)
  
• Bucket Capacity: 11.5–14.5 m³ (15.0–19.0 yd³)
  
• Tipping Load: 63.61 t (140,236 lbs)
  
• Dimensions:
  • Length with Bucket on Ground: 14,270 mm
    
  • Width Over Tires: 4,600 mm
    
  • Height to Top of Cab: 4,650 mm
    
  • Wheelbase: 5,460 mm
    
  • Turning Radius: 9,200 mm
    
• Steering: Articulated type, fully-hydraulic power steering
  
• Travel Speed:
  • Forward: 1st: 7.5 km/h (4.7 mph), 2nd: 12.0 km/h (7.4 mph), 3rd: 23.3 km/h (14.5 mph)
    
  • Reverse: 1st: 7.9 km/h (4.9 mph), 2nd: 12.1 km/h (7.5 mph), 3rd: 24.1 km/h (15.0 mph)
    

Features

• Modulation Clutch System: Provides precise control of rim pull, allowing for fast work equipment speeds and a smooth approach when loading trucks.
  
• Variable Traction Control: Optimizes rim pull on all ground conditions, minimizing tire slippage and reducing maintenance costs.
  
• Komatsu SmartLoader Logic: Helps reduce fuel consumption without compromising productivity by automatically adjusting engine speed based on load conditions.
  
• Redesigned Bucket: Features a modified profile to maximize bucket fill factor and increase productivity.
  
• Enhanced Operator Comfort: The redesigned cab offers improved visibility and a higher-capacity air suspension seat for a smoother ride.
  
• Durable Chassis: The front and rear frame and loader linkages have been completely redesigned to provide the most durable chassis in the model's history.
  
• Brake Cooling System: A new standard brake cooling system reduces brake oil temperature, resulting in longer brake-service life.
  
• Engine Pre-lubrication System: Raises engine oil pressure before startup to ensure full lubrication of all engine components.
  

Applications
The WA900-8 is primarily used in mining operations for loading 70 to 150-ton haul trucks. Its high tipping load and large bucket capacity make it ideal for handling heavy materials in quarries and other large-scale excavation projects. The machine's advanced features and durability also make it suitable for use in harsh environments and demanding applications.
Conclusion
The Komatsu WA900-8 wheel loader represents the pinnacle of design and engineering in heavy-duty wheel loaders. Its combination of power, efficiency, and operator comfort makes it a valuable asset in large-scale mining and construction operations. With its advanced features and robust build, the WA900-8 is poised to meet the challenges of today's demanding work environments.