vs.

      Komatsu HD320-3 vs. Caterpillar 775D

      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 %

      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

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

      Operation

      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.
      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.

      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

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

      Dump

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

      Neutral reasons:

      Weight

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

      Sizes

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

      Operation

      Tyre size 18.00-25-32 and 24.00-R35

      Motor

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

      Gear box

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

      Dump

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

      Images

      Sizes

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

      Dump

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