vs.

      Komatsu HD405-6 vs. Caterpillar 777F

      4 reasons to buy Komatsu HD405-6:

      Weight

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

      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

      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

      Hydraulic system fluid volume 189 l. and 129 l. 32 % more or 60 l.
      Fuel Capacity 1136 l. and 500 l. 56 % more or 636 l.
      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.
      Differential/final drive fluid volume 264 l. and 58 l. 78 % more or 206 l.

      Motor

      Displacement 32.1 l. and 15.2 l. 53 % more or 16.9 l.
      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

      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

      Neutral reasons:

      Weight

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

      Sizes

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

      Operation

      Tyre size 18.00R33 and 27.00R49(E4)

      Motor

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

      Gear box

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

      Dump

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

      Images

      Sizes

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

      Dump

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