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Wheel loaders

WA900-8R

Surface mining wheel loaders

  • Engine power (HP) 899
  • Engine power (kW) 671
  • Bucket capacity (m^3) 13.0
  • Bucket capacity (yd^3) 17.0
  • Operating weight (kg) 116400
  • Operating weight (lbs) 256612

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With a new bucket shape allowing for easier, more efficient operation, Komatsu’s WA900-8R can can achieve higher gear ranges and maintain higher travel speed when working in load-and-carry applications. Key components are designed and manufactured by Komatsu to work together in an integrated package. And it comes standard with our Komtrax Plus remote monitoring and location system, backed by our NZ-wide service and support network.

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    Features and benefits

    High productivity and low consumption

    High productivity and low consumption

    New features on the WA900-8R to reduce fuel consumption by optimally controlling engine power, realizing high efficiency power train and hydraulic system. Optimum power and loss reduction eliminate useless fuel consumption and improve fuel consumption efficiency.

    Automatic digging system

    Automatic digging system

    The new automatic digging system actuates the bucket tilt and lifting operations by detecting the sensing pressure applied to the work equipment. This system can alleviate operator's fatigue and realize the ideal load capacity. This system can easily be activated or deactivated on the R.H. switch panel. Useable in rock and loose materials.

    New operator seat with control levers

    New operator seat with control levers

    A new air suspension seat provides enhanced support on rough roads and dampens machine vibrations, providing a more comfortable ride for the operator. An Electronic Pilot Control lever console and an advanced joystick steering lever is integrated in the seat and moves with the seat. The angle of the armrest is fully adjustable for optimum operator comfort. A heated seat is standard.


    Specifications

    Metric Imperial (US)
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    • Engine Model: Komatsu SAA12V140E-7
    • Aspiration: Turbocharged, aftercooled
    • Bore x stroke of engine (in): 5.51 x 6.50
    • Bore x stroke of engine (mm): 140 x 165

    • Horsepower

      • SAEJ1995 - Gross (kW): 672
      • SAEJ1995 - Gross (HP): 900
      • ISO 9249 / SAE J1349 - Net (HP): 899
      • ISO 9249 / SAE J1349 - Net (kW): 671
      • Rated RPM: 2050
      • Fan drive method for radiator cooling: Hydraulic

    • Torque converter: 3-element, 1-stage, 1-phase
    • Transmission: Full-powershift, planetary type

    • Loader control

      • Hydraulic pump: Piston pump
      • Capacity (at rated rpm) (US gpm): 2 x 52.8
      • Capacity (at rated rpm) (L/min): 2 x 200

    • Steering System

      • Number of cylinders in hydraulic cylinders: 2
      • Bore x stroke (mm): 160 x 576
      • Bore x stroke (in): 6.30 x 22.68

    • Steering system type: Articulated type, full-hydraulic power steering
    • Steering angle: 40° each direction

    • Cooling system (US gal): 93.55
    • Cooling system (L): 355
    • Fuel tank (US gal): 410.8
    • Fuel tank (L): 1555
    • Engine (US gal): 28.54
    • Engine (L): 108
    • Hydraulic system (US gal): 269.45
    • Hydraulic system (L): 1020
    • Axle front (US gal): 97.74
    • Axle front (L): 370
    • Axle rear (US gal): 98
    • Axle rear (L): 370
    • Torque converter and transmission (US gal): 47.5
    • Torque converter and transmission (L): 180

    • Parking brake: Wet multiple-disc brake
    • Secondary brake: One of dual service brake circuits is commonly used

    • Engine type: Four-cycle, water-cooled

    • Drive System: Four-wheel drive
    • Front Axle: Fixed, full-floating
    • Axle Rear: Centre-pin support, full-floating, 20° total oscillation
    • Final reduction gear: Planetary gear, single reduction
    • Differential gear: Conventional type
    • Reduction gear: Spiral bevel gear

    • Bucket capacity SAE (yd^3): 15.0 – 17.0
    • Bucket capacity SAE (m^3): 11.5 - 13.0
    • Standard bucket capacity SAE (m^3): 13
    • Standard bucket capacity SAE (yd^3): 17
    • Bucket width (mm): 4935
    • Bucket width (in): 194.3
    • Dump clearance at 45° dump angle (mm): 4610
    • Dump clearance at 45° dump angle (in): 181.5
    • Dump reach at 45° dump angle (in): 105.7
    • Dump reach at 45° dump angle (mm): 2685
    • Static tipping load, straight (lbs): 158395.4
    • Static tipping load, straight (kg): 71840
    • Static tipping load, full turn (lbs): 140246.1
    • Static tipping load, full turn (kg): 63610

    • Standard lift

      • Breakout force standard (kN): 705