vs.

      Caterpillar 770 vs. Komatsu HD320-3

      10 reasons to buy Caterpillar 770:

      Weight

      Loaded front weight distribution 34 % and 32 % 6 % more or 2 %

      Sizes

      Clearance 680 mm and 458 mm 33 % more or 222 mm
      Unloading ground clearance 498 mm and 440 mm 12 % more or 58 mm

      Operation

      Fuel Capacity 530 l. and 500 l. 6 % more or 30 l.
      Differential/final drive fluid volume 159 l. and 71 l. 55 % more or 88 l.

      Motor

      Displacement 15.2 l. and 14 l. 8 % more or 1.2 l.
      Full power 381 kW and 302 kW 21 % more or 79 kW

      Gear box

      Forward gears number 7 and 6 14 % more or 1
      Maximum speed 74.8 km/h and 62 km/h 17 % more or 12.8 km/h

      Dump

      Lifting capacity with top 25.1 m3 and 24 m3 4 % more or 1.1 m3

      4 reasons to buy Komatsu HD320-3:

      Weight

      Loaded rear weight distribution 68 % and 66 % 3 % more or 2 %

      Operation

      Cooling system fluid volume 133 l. and 114 l. 14 % more or 19 l.
      Engine oil volume 25 l. and 15 l. 40 % more or 10 l.
      Hydraulic system fluid volume 110 l. and 95 l. 14 % more or 15 l.

      Neutral reasons:

      Weight

      Weight without load 34242 kg and 25750 kg
      Laden weight 71214 kg and 57750 kg
      Unloaded front weight distribution 48 % and 48 %
      Unloaded rear weight distribution 52 % and 52 %

      Sizes

      Wheelbase 3960 mm and 3750 mm
      Unloading height 8280 mm and 7520 mm
      Dimensional length 8172 mm and 7650 mm
      Overall width 4751 mm and 3670 mm
      Headroom 3120 mm and 3850 mm

      Operation

      Tyre size 18.00R33(E4) and 18.00-25-32

      Motor

      Manufacturer Caterpillar and Cummins
      Aspiration turbocharging and turbocharging
      Model C15 ACERT and NTA855

      Gear box

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

      Dump

      Nominal payload 36287.4 kg and 29029.9 kg
      Discharge angle 47.5 degrees and 61 degrees

      Images

      Sizes

      3. Headroom 3120 mm 3. Headroom 3850 mm
      4. Wheelbase 3960 mm 4. Wheelbase 3750 mm
      5. Clearance 680 mm 5. Clearance 458 mm
      6. Unloading height 8280 mm 6. Unloading height 7520 mm
      7. Unloading ground clearance 498 mm 7. Unloading ground clearance 440 mm
      1. Dimensional length 8172 mm 1. Dimensional length 7650 mm
      2. Overall width 4751 mm 2. Overall width 3670 mm

      Dump

      8. Discharge angle 47.5 degrees 8. Discharge angle 61 degrees