vs.

      Komatsu HD320-3 vs. Caterpillar 770

      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.

      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

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

      Dump

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

      Neutral reasons:

      Weight

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

      Sizes

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

      Operation

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

      Motor

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

      Gear box

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

      Dump

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

      Images

      Sizes

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

      Dump

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