vs.

      Caterpillar 789C vs. Komatsu HD405-6

      14 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 630 mm 53 % more or 700 mm

      Operation

      Fuel Capacity 3222 l. and 500 l. 84 % more or 2722 l.
      Cooling system fluid volume 663 l. and 89 l. 87 % more or 574 l.
      Engine oil volume 76 l. and 52 l. 32 % more or 24 l.
      Differential/final drive fluid volume 583 l. and 58 l. 90 % more or 525 l.
      Hydraulic system fluid volume 531 l. and 129 l. 76 % more or 402 l.

      Motor

      Full power 1417 kW and 378.8 kW 73 % more or 1038.2 kW
      Effective power 1320 kW and 363.9 kW 72 % more or 956.1 kW
      Displacement 69 l. and 15.2 l. 78 % more or 53.8 l.
      Cylinders number 16 and 6 62 % more or 10

      Dump

      Brimmed lifting capacity 92 m3 and 20 m3 78 % more or 72 m3
      Lifting capacity with top 105 m3 and 27.3 m3 74 % more or 77.7 m3

      6 reasons to buy Komatsu HD405-6:

      Weight

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

      Motor

      Power measured at 2000 rev / min and 1750 rev / min 12 % more or 250 rev

      Gear box

      Maximum speed 70 km/h and 52.6 km/h 25 % more or 17.4 km/h
      Forward gears number 7 and 6 14 % more or 1

      Dump

      Lifting time 10 sec and 18.9 sec 47 % less or 8.9 sec

      Neutral reasons:

      Weight

      Weight without load 135670 kg and 34080 kg
      Laden weight 317515 kg and 74155 kg

      Sizes

      Wheelbase 5700 mm and 3750 mm
      Dimensional length 12177 mm and 8700 mm
      Unloading height 11950 mm and 7885 mm
      Overall width 7674 mm and 4525 mm
      Headroom 6182 mm and 4220 mm

      Operation

      Tyre size 37.00-R57(E4) and 18.00R33

      Motor

      Model 3516B EUI and SAA6D140E-3
      Aspiration turbocharging and turbocharging
      Manufacturer Caterpillar and Komatsu

      Gear box

      Reverse gears number 1 and 1
      Transmission type 6-planetary gear shift with direct injection and automatic planetary gear

      Dump

      Nominal payload 176901 kg and 40823.3 kg
      Discharge angle 49.5 degrees and 48 degrees

      Images

      Sizes

      3. Headroom 6182 mm 3. Headroom 4220 mm
      4. Wheelbase 5700 mm 4. Wheelbase 3750 mm
      6. Unloading height 11950 mm 6. Unloading height 7885 mm
      7. Unloading ground clearance 1330 mm 7. Unloading ground clearance 630 mm
      1. Dimensional length 12177 mm 1. Dimensional length 8700 mm
      2. Overall width 7674 mm 2. Overall width 4525 mm

      Dump

      8. Discharge angle 49.5 degrees 8. Discharge angle 48 degrees