Metric Imperial (US)
Product Image

Dump trucks

HD785-7

Mechanical rigid trucks

  • Engine power (HP) 1178
  • Engine power (kW) 879
  • Operating weight (kg) 163780
  • Operating weight (lbs) 361073
  • Payload capacity (kg) 91700
  • Payload capacity (lbs) 202164

Purchase options

Request a quote Rent me

Our 91 tonne capacity mechanical drive HD785-7 offers the highest brake retardation in its class, along with Komatsu’s advanced transmission system for greater safety in all types of mining applications. As with all our trucks, 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 New Zealand-wide service and support network.

    Resources


    Specifications

    Metric Imperial (US)
    Expand all

    • Relief pressure (kg/cm^2 / Mpa): 210 / 20.6

    • Capacity, struck (m^3): 40

    • Material thickness

      • Front (mm): 12
      • Bottom (in): 0.75
      • Bottom (mm): 19
      • Sides (mm): 9
      • Sides (in): 0.35
      • Target area (ft x in): 23 ft 2.3 in x 16 ft 10.8 in
      • Target area (mm x mm): 7070 x 5150
      • Heating: Exhaust heating

    • Capacity

      • Heaped 2:1 SAE Capacity (m^3): 60
      • Heaped 2:1 SAE Capacity (yd^3): 78.48

    • Standard tire: 27.00 R49

    • Front suspension (mm): 320
    • Rear suspension (mm): 127
    • Rear axle oxillation (deg): 6.5

    • Engine Model: Komatsu SAA12V140E-3
    • Engine type: Four-cycle, water-cooled, direct injection
    • Aspiration: Turbo-charged, after-cooled

    • Horsepower

      • SAEJ1995 - Gross (kW): 895
      • SAEJ1995 - Gross (HP): 1200
      • ISO 9249 / SAE J1349 - Net (HP): 1178
      • Rated RPM: 1900

    • Front brake surface (cm^2): 37467
    • Rear brake surface (cm^2): 72414

    • Service brakes

      • Retarder: Oil cooled, multiple-disc front and rear brakes act as retarder

    • Torque converter: 3-elements, 1-stage, 2-phase
    • Transmission: Full-automatic, planetary-gear type
    • Speed range: 7 forward and 2 reverse (RH, RL)
    • Lockup clutch: Wet, multiple-disc clutch
    • Forward: Torque converter drive in 1st gear, direct drive in 1st lockup and all higher gears
    • Reverse: Torque converter drive, direct drive (lockup)
    • Shift control: Electronic shift control with automatic clutch modulation in all gears
    • Maximum travel speed (kph): 65
    • Maximum travel speed (mph): 40.39

    • Fuel tank (L): 1308
    • Hydraulic system (US gal): 46.23
    • Hydraulic system (L): 175
    • Engine oil (US gal): 34.08
    • Engine oil (L): 129
    • Torque converter transmission retarder (US gal): 54.2
    • Torque converter transmission retarder (L): 205
    • Differentials (L): 137
    • Differentials (US gal): 36.19
    • Final drive (L): 128
    • Final drive (US gal): 33.8
    • Suspension (US gal): 24.57
    • Suspension (L): 93
    • Brake control (L): 36

    • Steering system type: Fully hydraulic power steering with two double-acting cylinders
    • Supplementary steering: Meets ISO5010, SAEJ1511
    • Standard: ISO3471 (ROPS) ISO3449 (FOPS)
    • Maximum steering angle (degrees): 41°

    • Rear axle: Full-floating
    • Final drive type: Planetary gear

    • Truck frame type: Box-sectioned structure. Integral front bumper

    • Empty weight (kg): 72000
    • Empty weight (lbs): 158732
    • Gross vehicle weight (lbs): 361040
    • Gross vehicle weight (kg): 163780