vs.

      Komatsu HD405-6 vs. Caterpillar 773F

      6 reasons to buy Komatsu HD405-6:

      Weight

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

      Sizes

      Unloading ground clearance 630 mm and 626 mm 1 % more or 4 mm

      Operation

      Hydraulic system fluid volume 129 l. and 72 l. 44 % more or 57 l.

      Motor

      Power measured at 2000 rev / min and 1800 rev / min 10 % more or 200 rev

      Gear box

      Maximum speed 70 km/h and 67.5 km/h 4 % more or 2.5 km/h

      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 %

      Operation

      Fuel Capacity 700 l. and 500 l. 29 % more or 200 l.
      Cooling system fluid volume 175 l. and 89 l. 49 % more or 86 l.
      Engine oil volume 72 l. and 52 l. 28 % more or 20 l.
      Differential/final drive fluid volume 155 l. and 58 l. 63 % more or 97 l.

      Motor

      Displacement 27 l. and 15.2 l. 44 % more or 11.8 l.
      Full power 552 kW and 378.8 kW 31 % more or 173.2 kW
      Cylinders number 12 and 6 50 % more or 6
      Effective power 524 kW and 363.9 kW 31 % more or 160.1 kW

      Dump

      Brimmed lifting capacity 25.9 m3 and 20 m3 23 % more or 5.9 m3
      Lifting capacity with top 35.1 m3 and 27.3 m3 22 % more or 7.8 m3
      Lifting time 9.5 sec and 10 sec 5 % less or 0.5 sec

      Neutral reasons:

      Weight

      Weight without load 34080 kg and 44594 kg
      Laden weight 74155 kg and 100698 kg

      Sizes

      Dimensional length 8700 mm and 10334 mm
      Overall width 4525 mm and 5425 mm
      Headroom 4220 mm and 4435 mm
      Wheelbase 3750 mm and 4215 mm
      Unloading height 7885 mm and 9261 mm

      Operation

      Tyre size 18.00R33 and 24.00R35(E4)

      Motor

      Manufacturer Komatsu and Caterpillar
      Model SAA6D140E-3 and C27 ACERT
      Aspiration turbocharging and turbocharging

      Gear box

      Transmission type automatic planetary gear and gear type pump
      Forward gears number 7 and 7
      Reverse gears number 1 and 1

      Dump

      Nominal payload 40823.3 kg and 54431.1 kg
      Discharge angle 48 degrees and 60 degrees

      Images

      Sizes

      1. Dimensional length 8700 mm 1. Dimensional length 10334 mm
      2. Overall width 4525 mm 2. Overall width 5425 mm
      3. Headroom 4220 mm 3. Headroom 4435 mm
      4. Wheelbase 3750 mm 4. Wheelbase 4215 mm
      6. Unloading height 7885 mm 6. Unloading height 9261 mm
      7. Unloading ground clearance 630 mm 7. Unloading ground clearance 626 mm

      Dump

      8. Discharge angle 48 degrees 8. Discharge angle 60 degrees