vs.

      Komatsu HD405-7 vs. Komatsu HD780

      2 reasons to buy Komatsu HD405-7:

      Gear box

      Forward gears number 7 and 6 14 % more or 1
      Maximum speed 70 km/h and 65 km/h 7 % more or 5 km/h

      6 reasons to buy Komatsu HD780:

      Sizes

      Unloading ground clearance 900 mm and 480 mm 47 % more or 420 mm

      Operation

      Fuel Capacity 1000 l. and 484 l. 52 % more or 516 l.
      Engine oil volume 90 l. and 50 l. 44 % more or 40 l.

      Motor

      Effective power 583.1 kW and 371 kW 36 % more or 212.1 kW
      Displacement 28 l. and 15.2 l. 46 % more or 12.8 l.
      Full power 596.6 kW and 386 kW 35 % more or 210.6 kW

      Neutral reasons:

      Sizes

      Dimensional length 8465 mm and 9985 mm
      Overall width 3657.6 mm and 5700 mm
      Headroom 4150 mm and 4870 mm
      Wheelbase 3750 mm and 4750 mm
      Unloading height 7925 mm and 9000 mm

      Motor

      Aspiration turbocharging and turbocharging
      Manufacturer Komatsu and Cummins
      Model SAA6D140E-5 and VTA-1710

      Gear box

      Reverse gears number 1 and 1
      Transmission type automatic planetary gear and Torqueflow Transmission (with the flow of torque) of planetary type

      Dump

      Discharge angle 48 degrees and 64 degrees

      Images

      Sizes

      1. Dimensional length 8465 mm 1. Dimensional length 9985 mm
      2. Overall width 3657.6 mm 2. Overall width 5700 mm
      3. Headroom 4150 mm 3. Headroom 4870 mm
      4. Wheelbase 3750 mm 4. Wheelbase 4750 mm
      6. Unloading height 7925 mm 6. Unloading height 9000 mm
      7. Unloading ground clearance 480 mm 7. Unloading ground clearance 900 mm

      Dump

      8. Discharge angle 48 degrees 8. Discharge angle 64 degrees