vs.

      Komatsu HD180-4 vs. Komatsu HD680

      2 reasons to buy Komatsu HD180-4:

      Weight

      Loaded rear weight distribution 75 % and 68 % 9 % more or 7 %

      Gear box

      Forward gears number 7 and 6 14 % more or 1

      8 reasons to buy Komatsu HD680:

      Weight

      Loaded front weight distribution 32 % and 25 % 22 % more or 7 %

      Sizes

      Clearance 565 mm and 385 mm 32 % more or 180 mm
      Unloading ground clearance 540 mm and 475 mm 12 % more or 65 mm

      Motor

      Full power 577.9 kW and 171.5 kW 70 % more or 406.4 kW
      Displacement 28 l. and 12.2 l. 56 % more or 15.8 l.

      Gear box

      Maximum speed 65 km/h and 52 km/h 20 % more or 13 km/h

      Dump

      Brimmed lifting capacity 32 m3 and 10.7 m3 67 % more or 21.3 m3
      Lifting capacity with top 44 m3 and 14.2 m3 68 % more or 29.8 m3

      Neutral reasons:

      Weight

      Weight without load 16790 kg and 46500 kg
      Laden weight 34900 kg and 114555 kg

      Sizes

      Wheelbase 4000 mm and 4750 mm
      Unloading height 6100 mm and 8720 mm
      Dimensional length 7295 mm and 9790 mm
      Overall width 3000 mm and 4675 mm
      Headroom 3300 mm and 4290 mm

      Operation

      Tyre size Front 14.00-25-20PR, Rear 16.00-25-24PR and 24.00-35-42PR

      Motor

      Manufacturer Komatsu and Cummins
      Model Cummins NTO-6-B and HD680

      Gear box

      Transmission type full mesh and hydraulic gear reducer and TORQFLOW
      Reverse gears number 1 and 1

      Dump

      Nominal payload 16329.3 kg and 68000 kg
      Discharge angle 65 degrees and 65 degrees

      Images

      Sizes

      1. Dimensional length 7295 mm 1. Dimensional length 9790 mm
      2. Overall width 3000 mm 2. Overall width 4675 mm
      3. Headroom 3300 mm 3. Headroom 4290 mm
      4. Wheelbase 4000 mm 4. Wheelbase 4750 mm
      5. Clearance 385 mm 5. Clearance 565 mm
      6. Unloading height 6100 mm 6. Unloading height 8720 mm
      7. Unloading ground clearance 475 mm 7. Unloading ground clearance 540 mm

      Dump

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