vs.

      Komatsu HD320-3 vs. Caterpillar 789C

      3 reasons to buy Komatsu HD320-3:

      Weight

      Unloaded front weight distribution 48 % and 47 % 2 % more or 1 %
      Loaded rear weight distribution 68 % and 67 % 1 % more or 1 %

      Gear box

      Maximum speed 62 km/h and 52.6 km/h 15 % more or 9.4 km/h

      12 reasons to buy Caterpillar 789C:

      Weight

      Unloaded rear weight distribution 53 % and 52 % 2 % more or 1 %
      Loaded front weight distribution 33 % and 32 % 3 % more or 1 %

      Sizes

      Unloading ground clearance 1330 mm and 440 mm 67 % more or 890 mm
      Clearance 1173 mm and 458 mm 61 % more or 715 mm

      Operation

      Fuel Capacity 3222 l. and 500 l. 84 % more or 2722 l.
      Cooling system fluid volume 663 l. and 133 l. 80 % more or 530 l.
      Engine oil volume 76 l. and 25 l. 67 % more or 51 l.
      Differential/final drive fluid volume 583 l. and 71 l. 88 % more or 512 l.
      Hydraulic system fluid volume 531 l. and 110 l. 79 % more or 421 l.

      Motor

      Displacement 69 l. and 14 l. 80 % more or 55 l.
      Full power 1417 kW and 302 kW 79 % more or 1115 kW

      Dump

      Lifting capacity with top 105 m3 and 24 m3 77 % more or 81 m3

      Neutral reasons:

      Weight

      Weight without load 25750 kg and 135670 kg
      Laden weight 57750 kg and 317515 kg

      Sizes

      Overall width 3670 mm and 7674 mm
      Headroom 3850 mm and 6182 mm
      Wheelbase 3750 mm and 5700 mm
      Unloading height 7520 mm and 11950 mm
      Dimensional length 7650 mm and 12177 mm

      Operation

      Tyre size 18.00-25-32 and 37.00-R57(E4)

      Motor

      Model NTA855 and 3516B EUI
      Aspiration turbocharging and turbocharging
      Manufacturer Cummins and Caterpillar

      Gear box

      Forward gears number 6 and 6
      Reverse gears number 1 and 1
      Transmission type Komatsu Torqueflow Transmission (with the flow of torque) of planetary type and 6-planetary gear shift with direct injection

      Dump

      Nominal payload 29029.9 kg and 176901 kg
      Discharge angle 61 degrees and 49.5 degrees

      Images

      Sizes

      7. Unloading ground clearance 440 mm 7. Unloading ground clearance 1330 mm
      1. Dimensional length 7650 mm 1. Dimensional length 12177 mm
      2. Overall width 3670 mm 2. Overall width 7674 mm
      3. Headroom 3850 mm 3. Headroom 6182 mm
      4. Wheelbase 3750 mm 4. Wheelbase 5700 mm
      5. Clearance 458 mm 5. Clearance 1173 mm
      6. Unloading height 7520 mm 6. Unloading height 11950 mm

      Dump

      8. Discharge angle 61 degrees 8. Discharge angle 49.5 degrees