vs.

      Komatsu HD320-3 vs. Caterpillar 773E

      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 773E:

      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 667 mm and 458 mm 31 % more or 209 mm
      Unloading ground clearance 667 mm and 440 mm 34 % more or 227 mm

      Operation

      Cooling system fluid volume 151.4 l. and 133 l. 12 % more or 18.4 l.
      Engine oil volume 68.1 l. and 25 l. 63 % more or 43.1 l.
      Differential/final drive fluid volume 155.2 l. and 71 l. 54 % more or 84.2 l.
      Fuel Capacity 700.3 l. and 500 l. 29 % more or 200.3 l.

      Motor

      Full power 529.4 kW and 302 kW 43 % more or 227.4 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 66.1 km/h and 62 km/h 6 % more or 4.1 km/h

      Dump

      Lifting capacity with top 35.2 m3 and 24 m3 32 % more or 11.2 m3

      Neutral reasons:

      Weight

      Weight without load 25750 kg and 30163.9 kg
      Laden weight 57750 kg and 99336.7 kg

      Sizes

      Overall width 3670 mm and 4457 mm
      Headroom 3850 mm and 4424 mm
      Wheelbase 3750 mm and 4191 mm
      Dimensional length 7650 mm and 9207 mm
      Unloading height 7520 mm and 8815 mm

      Operation

      Tyre size 18.00-25-32 and 24.00-R35 (E4)

      Motor

      Manufacturer Cummins and Caterpillar
      Model NTA855 and 3412E

      Gear box

      Reverse gears number 1 and 1

      Dump

      Nominal payload 29029.9 kg and 54260 kg

      Images

      Sizes

      1. Dimensional length 7650 mm 1. Dimensional length 9207 mm
      2. Overall width 3670 mm 2. Overall width 4457 mm
      3. Headroom 3850 mm 3. Headroom 4424 mm
      4. Wheelbase 3750 mm 4. Wheelbase 4191 mm
      5. Clearance 458 mm 5. Clearance 667 mm
      6. Unloading height 7520 mm 6. Unloading height 8815 mm
      7. Unloading ground clearance 440 mm 7. Unloading ground clearance 667 mm