vs.

      Komatsu HD405-7 vs. Komatsu HD785-1

      3 reasons to buy Komatsu HD405-7:

      Weight

      Unloaded front weight distribution 50.7 % and 48.2 % 5 % more or 2.5 %
      Loaded front weight distribution 32.8 % and 32.3 % 2 % more or 0.5 %

      Gear box

      Forward gears number 7 and 6 14 % more or 1

      11 reasons to buy Komatsu HD785-1:

      Weight

      Unloaded rear weight distribution 51.8 % and 49.3 % 5 % more or 2.5 %
      Loaded rear weight distribution 67.7 % and 67.2 % 1 % more or 0.5 %

      Sizes

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

      Operation

      Engine oil volume 150 l. and 50 l. 67 % more or 100 l.
      Fuel Capacity 1240 l. and 484 l. 61 % more or 756 l.
      Differential/final drive fluid volume 224 l. and 75 l. 67 % more or 149 l.
      Hydraulic system fluid volume 460 l. and 129 l. 72 % more or 331 l.

      Motor

      Full power 671.1 kW and 386 kW 42 % more or 285.1 kW
      Effective power 654 kW and 371 kW 43 % more or 283 kW
      Displacement 37.8 l. and 15.2 l. 60 % more or 22.6 l.

      Dump

      Lifting capacity with top 51.8 m3 and 27.3 m3 47 % more or 24.5 m3

      Neutral reasons:

      Weight

      Weight without load 34400 kg and 51500 kg
      Laden weight 74480 kg and 129555 kg

      Sizes

      Overall width 3657.6 mm and 5000 mm
      Headroom 4150 mm and 4870 mm
      Dimensional length 8465 mm and 10130 mm
      Wheelbase 3750 mm and 4750 mm
      Unloading height 7925 mm and 9000 mm

      Motor

      Manufacturer Komatsu and Cummins
      Model SAA6D140E-5 and KT-2300
      Aspiration turbocharging and turbocharging

      Gear box

      Transmission type automatic planetary gear and Komatsu Torqueflow Transmission (with the flow of torque) of planetary type
      Reverse gears number 1 and 1
      Maximum speed 70 km/h and 70 km/h

      Dump

      Discharge angle 48 degrees and 64 degrees
      Nominal payload 40823.3 kg and 78000 kg

      Images

      Sizes

      1. Dimensional length 8465 mm 1. Dimensional length 10130 mm
      2. Overall width 3657.6 mm 2. Overall width 5000 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