vs.

      Caterpillar 775D vs. Komatsu HD320-3

      13 reasons to buy Caterpillar 775D:

      Weight

      Unloaded rear weight distribution 52.7 % and 52 % 1 % more or 0.7 %
      Loaded front weight distribution 33.3 % and 32 % 4 % more or 1.3 %

      Sizes

      Unloading ground clearance 660 mm and 440 mm 33 % more or 220 mm
      Clearance 600 mm and 458 mm 24 % more or 142 mm

      Operation

      Fuel Capacity 700 l. and 500 l. 29 % more or 200 l.
      Cooling system fluid volume 151 l. and 133 l. 12 % more or 18 l.
      Engine oil volume 68 l. and 25 l. 63 % more or 43 l.
      Differential/final drive fluid volume 155 l. and 71 l. 54 % more or 84 l.

      Motor

      Full power 540.6 kW and 302 kW 44 % more or 238.6 kW
      Displacement 27 l. and 14 l. 48 % more or 13 l.

      Gear box

      Maximum speed 65.8 km/h and 62 km/h 6 % more or 3.8 km/h
      Forward gears number 7 and 6 14 % more or 1

      Dump

      Lifting capacity with top 41.5 m3 and 24 m3 42 % more or 17.5 m3

      2 reasons to buy Komatsu HD320-3:

      Weight

      Unloaded front weight distribution 48 % and 47.3 % 1 % more or 0.7 %
      Loaded rear weight distribution 68 % and 66.7 % 2 % more or 1.3 %

      Neutral reasons:

      Weight

      Weight without load 43227.4 kg and 25750 kg
      Laden weight 106594.2 kg and 57750 kg

      Sizes

      Unloading height 8800 mm and 7520 mm
      Dimensional length 9700 mm and 7650 mm
      Overall width 3970 mm and 3670 mm
      Headroom 4410 mm and 3850 mm
      Wheelbase 4190 mm and 3750 mm

      Operation

      Tyre size 24.00-R35 and 18.00-25-32

      Motor

      Manufacturer Caterpillar and Cummins
      Model 3412ETA and NTA855
      Aspiration Turbocharging with subsequent air cooling (by a cooling radiator) and turbocharging

      Gear box

      Reverse gears number 1 and 1
      Transmission type powershift and Komatsu Torqueflow Transmission (with the flow of torque) of planetary type

      Dump

      Nominal payload 63366.9 kg and 29029.9 kg
      Discharge angle 60 degrees and 61 degrees

      Images

      Sizes

      5. Clearance 600 mm 5. Clearance 458 mm
      6. Unloading height 8800 mm 6. Unloading height 7520 mm
      7. Unloading ground clearance 660 mm 7. Unloading ground clearance 440 mm
      1. Dimensional length 9700 mm 1. Dimensional length 7650 mm
      2. Overall width 3970 mm 2. Overall width 3670 mm
      3. Headroom 4410 mm 3. Headroom 3850 mm
      4. Wheelbase 4190 mm 4. Wheelbase 3750 mm

      Dump

      8. Discharge angle 60 degrees 8. Discharge angle 61 degrees