vs.

      Komatsu HD405-7 vs. Caterpillar 773F

      4 reasons to buy Komatsu HD405-7:

      Weight

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

      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

      12 reasons to buy Caterpillar 773F:

      Weight

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

      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

      Neutral reasons:

      Weight

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

      Sizes

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

      Motor

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

      Gear box

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

      Dump

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

      Images

      Sizes

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

      Dump

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