vs.

      Komatsu HD320-3 vs. Caterpillar 771D

      3 reasons to buy Komatsu HD320-3:

      Weight

      Unloaded rear weight distribution 52 % and 50.2 % 3 % more or 1.8 %
      Loaded rear weight distribution 68 % and 66.7 % 2 % more or 1.3 %

      Gear box

      Maximum speed 62 km/h and 57 km/h 8 % more or 5 km/h

      8 reasons to buy Caterpillar 771D:

      Weight

      Unloaded front weight distribution 49.8 % and 48 % 4 % more or 1.8 %
      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 464 mm and 440 mm 5 % more or 24 mm

      Operation

      Fuel Capacity 530 l. and 500 l. 6 % more or 30 l.

      Motor

      Full power 380.3 kW and 302 kW 21 % more or 78.3 kW
      Displacement 18 l. and 14 l. 22 % more or 4 l.

      Dump

      Lifting capacity with top 27.5 m3 and 24 m3 13 % more or 3.5 m3

      Neutral reasons:

      Weight

      Laden weight 57750 kg and 75700 kg
      Weight without load 25750 kg and 34750 kg

      Sizes

      Dimensional length 7650 mm and 8200 mm
      Overall width 3670 mm and 3659 mm
      Headroom 3850 mm and 3690 mm
      Wheelbase 3750 mm and 3713 mm
      Unloading height 7520 mm and 7735 mm

      Operation

      Tyre size 18.00-25-32 and 18R33 (E-4)

      Motor

      Model NTA855 and 3408ETA
      Manufacturer Cummins and Caterpillar

      Gear box

      Forward gears number 6 and 6

      Dump

      Nominal payload 29029.9 kg and 40950 kg

      Images

      Sizes

      1. Dimensional length 7650 mm 1. Dimensional length 8200 mm
      2. Overall width 3670 mm 2. Overall width 3659 mm
      3. Headroom 3850 mm 3. Headroom 3690 mm
      4. Wheelbase 3750 mm 4. Wheelbase 3713 mm
      5. Clearance 458 mm 5. Clearance 600 mm
      6. Unloading height 7520 mm 6. Unloading height 7735 mm
      7. Unloading ground clearance 440 mm 7. Unloading ground clearance 464 mm