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Komatsu WA900-8 Wheel Loader: Specifications, Features, and Applications
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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.
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Komatsu WA900-8 Wheel Loader: Specifications, Features, and Applications - by MikePhua - 08-23-2025, 09:58 PM

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