vs.

      Komatsu HD320-3 vs. Caterpillar 773F

      3 reasons to buy Komatsu HD320-3:

      Weight

      Unloaded rear weight distribution 52 % and 49 % 6 % more or 3 %
      Loaded rear weight distribution 68 % and 65 % 4 % more or 3 %

      Operation

      Hydraulic system fluid volume 110 l. and 72 l. 35 % more or 38 l.

      13 reasons to buy Caterpillar 773F:

      Weight

      Unloaded front weight distribution 51 % and 48 % 6 % more or 3 %
      Loaded front weight distribution 35 % and 32 % 9 % more or 3 %

      Sizes

      Clearance 777 mm and 458 mm 41 % more or 319 mm
      Unloading ground clearance 626 mm and 440 mm 30 % more or 186 mm

      Operation

      Fuel Capacity 700 l. and 500 l. 29 % more or 200 l.
      Cooling system fluid volume 175 l. and 133 l. 24 % more or 42 l.
      Engine oil volume 72 l. and 25 l. 65 % more or 47 l.
      Differential/final drive fluid volume 155 l. and 71 l. 54 % more or 84 l.

      Motor

      Full power 552 kW and 302 kW 45 % more or 250 kW
      Displacement 27 l. and 14 l. 48 % more or 13 l.

      Gear box

      Forward gears number 7 and 6 14 % more or 1
      Maximum speed 67.5 km/h and 62 km/h 8 % more or 5.5 km/h

      Dump

      Lifting capacity with top 35.1 m3 and 24 m3 32 % more or 11.1 m3

      Neutral reasons:

      Weight

      Laden weight 57750 kg and 100698 kg
      Weight without load 25750 kg and 44594 kg

      Sizes

      Dimensional length 7650 mm and 10334 mm
      Overall width 3670 mm and 5425 mm
      Headroom 3850 mm and 4435 mm
      Wheelbase 3750 mm and 4215 mm
      Unloading height 7520 mm and 9261 mm

      Operation

      Tyre size 18.00-25-32 and 24.00R35(E4)

      Motor

      Manufacturer Cummins and Caterpillar
      Aspiration turbocharging and turbocharging
      Model NTA855 and C27 ACERT

      Gear box

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

      Dump

      Discharge angle 61 degrees and 60 degrees
      Nominal payload 29029.9 kg and 54431.1 kg

      Images

      Sizes

      1. Dimensional length 7650 mm 1. Dimensional length 10334 mm
      2. Overall width 3670 mm 2. Overall width 5425 mm
      3. Headroom 3850 mm 3. Headroom 4435 mm
      4. Wheelbase 3750 mm 4. Wheelbase 4215 mm
      5. Clearance 458 mm 5. Clearance 777 mm
      6. Unloading height 7520 mm 6. Unloading height 9261 mm
      7. Unloading ground clearance 440 mm 7. Unloading ground clearance 626 mm

      Dump

      8. Discharge angle 61 degrees 8. Discharge angle 60 degrees