vs.

      Komatsu HD405-7 vs. Caterpillar 777F

      3 reasons to buy Komatsu HD405-7:

      Weight

      Unloaded front weight distribution 50.7 % and 45 % 11 % more or 5.7 %
      Loaded rear weight distribution 67.2 % and 67 % 0 % more or 0.2 %

      Gear box

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

      13 reasons to buy Caterpillar 777F:

      Weight

      Unloaded rear weight distribution 55 % and 49.3 % 10 % more or 5.7 %
      Loaded front weight distribution 33 % and 32.8 % 1 % more or 0.2 %

      Sizes

      Unloading ground clearance 965 mm and 480 mm 50 % more or 485 mm

      Operation

      Fuel Capacity 1136 l. and 484 l. 57 % more or 652 l.
      Engine oil volume 504 l. and 50 l. 90 % more or 454 l.
      Differential/final drive fluid volume 264 l. and 75 l. 72 % more or 189 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 386 kW 49 % more or 372 kW
      Effective power 700 kW and 371 kW 47 % more or 329 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

      Neutral reasons:

      Weight

      Weight without load 34400 kg and 73976.4 kg
      Laden weight 74480 kg and 163293 kg

      Sizes

      Overall width 3657.6 mm and 6494 mm
      Headroom 4150 mm and 5170 mm
      Wheelbase 3750 mm and 4560 mm
      Unloading height 7925 mm and 10325 mm
      Dimensional length 8465 mm and 10535 mm

      Motor

      Model SAA6D140E-5 and C32 ACERT
      Aspiration turbocharging and turbocharging
      Manufacturer Komatsu and Caterpillar

      Gear box

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

      Dump

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

      Images

      Sizes

      3. Headroom 4150 mm 3. Headroom 5170 mm
      4. Wheelbase 3750 mm 4. Wheelbase 4560 mm
      6. Unloading height 7925 mm 6. Unloading height 10325 mm
      7. Unloading ground clearance 480 mm 7. Unloading ground clearance 965 mm
      1. Dimensional length 8465 mm 1. Dimensional length 10535 mm
      2. Overall width 3657.6 mm 2. Overall width 6494 mm

      Dump

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