vs.

      Caterpillar 773F vs. Komatsu HD405-7

      12 reasons to buy Caterpillar 773F:

      Weight

      Loaded front weight distribution 35 % and 32.8 % 6 % more or 2.2 %
      Unloaded front weight distribution 51 % and 50.7 % 1 % more or 0.3 %

      Sizes

      Unloading ground clearance 626 mm and 480 mm 23 % more or 146 mm

      Operation

      Fuel Capacity 700 l. and 484 l. 31 % more or 216 l.
      Engine oil volume 72 l. and 50 l. 31 % more or 22 l.
      Differential/final drive fluid volume 155 l. and 75 l. 52 % more or 80 l.

      Motor

      Cylinders number 12 and 6 50 % more or 6
      Full power 552 kW and 386 kW 30 % more or 166 kW
      Effective power 524 kW and 371 kW 29 % more or 153 kW
      Displacement 27 l. and 15.2 l. 44 % more or 11.8 l.

      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

      4 reasons to buy Komatsu HD405-7:

      Weight

      Loaded rear weight distribution 67.2 % and 65 % 3 % more or 2.2 %
      Unloaded rear weight distribution 49.3 % and 49 % 1 % more or 0.3 %

      Operation

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

      Gear box

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

      Neutral reasons:

      Weight

      Weight without load 44594 kg and 34400 kg
      Laden weight 100698 kg and 74480 kg

      Sizes

      Dimensional length 10334 mm and 8465 mm
      Overall width 5425 mm and 3657.6 mm
      Headroom 4435 mm and 4150 mm
      Wheelbase 4215 mm and 3750 mm
      Unloading height 9261 mm and 7925 mm

      Motor

      Model C27 ACERT and SAA6D140E-5
      Aspiration turbocharging and turbocharging
      Manufacturer Caterpillar and Komatsu

      Gear box

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

      Dump

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

      Images

      Sizes

      1. Dimensional length 10334 mm 1. Dimensional length 8465 mm
      2. Overall width 5425 mm 2. Overall width 3657.6 mm
      3. Headroom 4435 mm 3. Headroom 4150 mm
      4. Wheelbase 4215 mm 4. Wheelbase 3750 mm
      6. Unloading height 9261 mm 6. Unloading height 7925 mm
      7. Unloading ground clearance 626 mm 7. Unloading ground clearance 480 mm

      Dump

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