vs.

      Caterpillar 777F vs. Komatsu HD405-6

      14 reasons to buy Caterpillar 777F:

      Weight

      Unloaded rear weight distribution 55 % and 52 % 5 % more or 3 %
      Loaded front weight distribution 33 % and 32 % 3 % more or 1 %

      Sizes

      Unloading ground clearance 965 mm and 630 mm 35 % more or 335 mm

      Operation

      Cooling system fluid volume 232 l. and 89 l. 62 % more or 143 l.
      Engine oil volume 504 l. and 52 l. 90 % more or 452 l.
      Fuel Capacity 1136 l. and 500 l. 56 % more or 636 l.
      Differential/final drive fluid volume 264 l. and 58 l. 78 % more or 206 l.
      Hydraulic system fluid volume 189 l. and 129 l. 32 % more or 60 l.

      Motor

      Cylinders number 12 and 6 50 % more or 6
      Full power 758 kW and 378.8 kW 50 % more or 379.2 kW
      Effective power 700 kW and 363.9 kW 48 % more or 336.1 kW
      Displacement 32.1 l. and 15.2 l. 53 % more or 16.9 l.

      Dump

      Brimmed lifting capacity 41.9 m3 and 20 m3 52 % more or 21.9 m3
      Lifting capacity with top 60.2 m3 and 27.3 m3 55 % more or 32.9 m3

      4 reasons to buy Komatsu HD405-6:

      Weight

      Unloaded front weight distribution 48 % and 45 % 6 % more or 3 %
      Loaded rear weight distribution 68 % and 67 % 1 % more or 1 %

      Gear box

      Maximum speed 70 km/h and 64.5 km/h 8 % more or 5.5 km/h

      Dump

      Lifting time 10 sec and 15 sec 33 % less or 5 sec

      Neutral reasons:

      Weight

      Weight without load 73976.4 kg and 34080 kg
      Laden weight 163293 kg and 74155 kg

      Sizes

      Dimensional length 10535 mm and 8700 mm
      Overall width 6494 mm and 4525 mm
      Headroom 5170 mm and 4220 mm
      Wheelbase 4560 mm and 3750 mm
      Unloading height 10325 mm and 7885 mm

      Operation

      Tyre size 27.00R49(E4) and 18.00R33

      Motor

      Aspiration turbocharging and turbocharging
      Manufacturer Caterpillar and Komatsu
      Model C32 ACERT and SAA6D140E-3

      Gear box

      Transmission type 7-planetary gearbox with switching speeds under load and automatic planetary gear
      Forward gears number 7 and 7
      Reverse gears number 1 and 1

      Dump

      Discharge angle 49.4 degrees and 48 degrees
      Nominal payload 90718.5 kg and 40823.3 kg

      Images

      Sizes

      6. Unloading height 10325 mm 6. Unloading height 7885 mm
      7. Unloading ground clearance 965 mm 7. Unloading ground clearance 630 mm
      1. Dimensional length 10535 mm 1. Dimensional length 8700 mm
      2. Overall width 6494 mm 2. Overall width 4525 mm
      3. Headroom 5170 mm 3. Headroom 4220 mm
      4. Wheelbase 4560 mm 4. Wheelbase 3750 mm

      Dump

      8. Discharge angle 49.4 degrees 8. Discharge angle 48 degrees