vs.

      Komatsu HD405-7 vs. Caterpillar 773B

      3 reasons to buy Komatsu HD405-7:

      Weight

      Unloaded front weight distribution 50.7 % and 47.3 % 7 % more or 3.4 %
      Loaded rear weight distribution 67.2 % and 66.7 % 1 % more or 0.5 %

      Gear box

      Maximum speed 70 km/h and 57.3 km/h 18 % more or 12.7 km/h

      11 reasons to buy Caterpillar 773B:

      Weight

      Unloaded rear weight distribution 52.7 % and 49.3 % 6 % more or 3.4 %
      Loaded front weight distribution 33.3 % and 32.8 % 2 % more or 0.5 %

      Sizes

      Unloading ground clearance 566 mm and 480 mm 15 % more or 86 mm

      Operation

      Fuel Capacity 700 l. and 484 l. 31 % more or 216 l.
      Engine oil volume 68 l. and 50 l. 26 % more or 18 l.
      Differential/final drive fluid volume 155 l. and 75 l. 52 % more or 80 l.

      Motor

      Full power 509 kW and 386 kW 24 % more or 123 kW
      Effective power 485 kW and 371 kW 24 % more or 114 kW
      Displacement 27 l. and 15.2 l. 44 % more or 11.8 l.

      Dump

      Brimmed lifting capacity 26 m3 and 20 m3 23 % more or 6 m3
      Lifting capacity with top 34.1 m3 and 27.3 m3 20 % more or 6.8 m3

      Neutral reasons:

      Weight

      Laden weight 74480 kg and 92534 kg
      Weight without load 34400 kg and 39396 kg

      Sizes

      Unloading height 7925 mm and 8660 mm
      Dimensional length 8465 mm and 9270 mm
      Overall width 3657.6 mm and 4700 mm
      Headroom 4150 mm and 4230 mm
      Wheelbase 3750 mm and 4190 mm

      Motor

      Manufacturer Komatsu and Caterpillar
      Model SAA6D140E-5 and 3412
      Aspiration turbocharging and turbocharging and cooling at the outlet

      Gear box

      Forward gears number 7 and 7
      Reverse gears number 1 and 1

      Dump

      Nominal payload 40823.3 kg and 53977.5 kg
      Discharge angle 48 degrees and 54.5 degrees

      Images

      Sizes

      6. Unloading height 7925 mm 6. Unloading height 8660 mm
      7. Unloading ground clearance 480 mm 7. Unloading ground clearance 566 mm
      1. Dimensional length 8465 mm 1. Dimensional length 9270 mm
      2. Overall width 3657.6 mm 2. Overall width 4700 mm
      3. Headroom 4150 mm 3. Headroom 4230 mm
      4. Wheelbase 3750 mm 4. Wheelbase 4190 mm

      Dump

      8. Discharge angle 48 degrees 8. Discharge angle 54.5 degrees