vs.

      Komatsu HD320-3 vs. Caterpillar 777D

      3 reasons to buy Komatsu HD320-3:

      Weight

      Unloaded front weight distribution 48 % and 45.4 % 5 % more or 2.6 %
      Loaded rear weight distribution 68 % and 66.7 % 2 % more or 1.3 %

      Gear box

      Maximum speed 62 km/h and 60.4 km/h 3 % more or 1.6 km/h

      13 reasons to buy Caterpillar 777D:

      Weight

      Unloaded rear weight distribution 54.6 % and 52 % 5 % more or 2.6 %
      Loaded front weight distribution 33.3 % and 32 % 4 % more or 1.3 %

      Sizes

      Clearance 700 mm and 458 mm 35 % more or 242 mm
      Unloading ground clearance 872 mm and 440 mm 50 % more or 432 mm

      Operation

      Fuel Capacity 1137 l. and 500 l. 56 % more or 637 l.
      Cooling system fluid volume 325 l. and 133 l. 59 % more or 192 l.
      Engine oil volume 124 l. and 25 l. 80 % more or 99 l.
      Differential/final drive fluid volume 329 l. and 71 l. 78 % more or 258 l.
      Hydraulic system fluid volume 138 l. and 110 l. 20 % more or 28 l.

      Motor

      Displacement 34.5 l. and 14 l. 59 % more or 20.5 l.
      Full power 745.7 kW and 302 kW 60 % more or 443.7 kW

      Gear box

      Forward gears number 7 and 6 14 % more or 1

      Dump

      Lifting capacity with top 60.5 m3 and 24 m3 60 % more or 36.5 m3

      Neutral reasons:

      Weight

      Laden weight 57750 kg and 161030 kg
      Weight without load 25750 kg and 70306.8 kg

      Sizes

      Dimensional length 7650 mm and 9780 mm
      Overall width 3670 mm and 6100 mm
      Headroom 3850 mm and 5000 mm
      Wheelbase 3750 mm and 4570 mm
      Unloading height 7520 mm and 9970 mm

      Motor

      Manufacturer Cummins and Caterpillar
      Model NTA855 and 3508A

      Gear box

      Transmission type Komatsu Torqueflow Transmission (with the flow of torque) of planetary type and automatic transmission system with power gear shifting
      Reverse gears number 1 and 1

      Dump

      Nominal payload 29029.9 kg and 90718.5 kg

      Images

      Sizes

      7. Unloading ground clearance 440 mm 7. Unloading ground clearance 872 mm
      1. Dimensional length 7650 mm 1. Dimensional length 9780 mm
      2. Overall width 3670 mm 2. Overall width 6100 mm
      3. Headroom 3850 mm 3. Headroom 5000 mm
      4. Wheelbase 3750 mm 4. Wheelbase 4570 mm
      5. Clearance 458 mm 5. Clearance 700 mm
      6. Unloading height 7520 mm 6. Unloading height 9970 mm