vs.

      Komatsu HD405-7 vs. Komatsu HD680

      3 reasons to buy Komatsu HD405-7:

      Weight

      Loaded front weight distribution 32.8 % and 32 % 2 % more or 0.8 %

      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 HD680:

      Weight

      Loaded rear weight distribution 68 % and 67.2 % 1 % more or 0.8 %

      Sizes

      Unloading ground clearance 540 mm and 480 mm 11 % more or 60 mm

      Motor

      Displacement 28 l. and 15.2 l. 46 % more or 12.8 l.
      Full power 577.9 kW and 386 kW 33 % more or 191.9 kW

      Dump

      Brimmed lifting capacity 32 m3 and 20 m3 37 % more or 12 m3
      Lifting capacity with top 44 m3 and 27.3 m3 38 % more or 16.7 m3

      Neutral reasons:

      Weight

      Weight without load 34400 kg and 46500 kg
      Laden weight 74480 kg and 114555 kg

      Sizes

      Dimensional length 8465 mm and 9790 mm
      Overall width 3657.6 mm and 4675 mm
      Headroom 4150 mm and 4290 mm
      Wheelbase 3750 mm and 4750 mm
      Unloading height 7925 mm and 8720 mm

      Motor

      Manufacturer Komatsu and Cummins
      Model SAA6D140E-5 and HD680

      Gear box

      Transmission type automatic planetary gear and hydraulic gear reducer and TORQFLOW
      Reverse gears number 1 and 1

      Dump

      Nominal payload 40823.3 kg and 68000 kg
      Discharge angle 48 degrees and 65 degrees

      Images

      Sizes

      2. Overall width 3657.6 mm 2. Overall width 4675 mm
      3. Headroom 4150 mm 3. Headroom 4290 mm
      4. Wheelbase 3750 mm 4. Wheelbase 4750 mm
      6. Unloading height 7925 mm 6. Unloading height 8720 mm
      7. Unloading ground clearance 480 mm 7. Unloading ground clearance 540 mm
      1. Dimensional length 8465 mm 1. Dimensional length 9790 mm

      Dump

      8. Discharge angle 48 degrees 8. Discharge angle 65 degrees