vs.

      Caterpillar 773B vs. Komatsu HD320-3

      12 reasons to buy Caterpillar 773B:

      Weight

      Unloaded rear weight distribution 52.7 % and 52 % 1 % more or 0.7 %
      Loaded front weight distribution 33.3 % and 32 % 4 % more or 1.3 %

      Sizes

      Clearance 591 mm and 458 mm 23 % more or 133 mm
      Unloading ground clearance 566 mm and 440 mm 22 % more or 126 mm

      Operation

      Fuel Capacity 700 l. and 500 l. 29 % more or 200 l.
      Cooling system fluid volume 151 l. and 133 l. 12 % more or 18 l.
      Engine oil volume 68 l. and 25 l. 63 % more or 43 l.
      Differential/final drive fluid volume 155 l. and 71 l. 54 % more or 84 l.

      Motor

      Displacement 27 l. and 14 l. 48 % more or 13 l.
      Full power 509 kW and 302 kW 41 % more or 207 kW

      Gear box

      Forward gears number 7 and 6 14 % more or 1

      Dump

      Lifting capacity with top 34.1 m3 and 24 m3 30 % more or 10.1 m3

      3 reasons to buy Komatsu HD320-3:

      Weight

      Unloaded front weight distribution 48 % and 47.3 % 1 % more or 0.7 %
      Loaded rear weight distribution 68 % and 66.7 % 2 % more or 1.3 %

      Gear box

      Maximum speed 62 km/h and 57.3 km/h 8 % more or 4.7 km/h

      Neutral reasons:

      Weight

      Laden weight 92534 kg and 57750 kg
      Weight without load 39396 kg and 25750 kg

      Sizes

      Dimensional length 9270 mm and 7650 mm
      Overall width 4700 mm and 3670 mm
      Headroom 4230 mm and 3850 mm
      Wheelbase 4190 mm and 3750 mm
      Unloading height 8660 mm and 7520 mm

      Operation

      Tyre size 21.00-35 32PR (E-3) and 18.00-25-32

      Motor

      Manufacturer Caterpillar and Cummins
      Model 3412 and NTA855
      Aspiration turbocharging and cooling at the outlet and turbocharging

      Gear box

      Reverse gears number 1 and 1

      Dump

      Nominal payload 53977.5 kg and 29029.9 kg
      Discharge angle 54.5 degrees and 61 degrees

      Images

      Sizes

      1. Dimensional length 9270 mm 1. Dimensional length 7650 mm
      2. Overall width 4700 mm 2. Overall width 3670 mm
      3. Headroom 4230 mm 3. Headroom 3850 mm
      4. Wheelbase 4190 mm 4. Wheelbase 3750 mm
      5. Clearance 591 mm 5. Clearance 458 mm
      6. Unloading height 8660 mm 6. Unloading height 7520 mm
      7. Unloading ground clearance 566 mm 7. Unloading ground clearance 440 mm

      Dump

      8. Discharge angle 54.5 degrees 8. Discharge angle 61 degrees