vs.

      Komatsu HD405-7 vs. Caterpillar 797B

      3 reasons to buy Komatsu HD405-7:

      Weight

      Unloaded front weight distribution 50.7 % and 43.5 % 14 % more or 7.2 %
      Loaded rear weight distribution 67.2 % and 66.7 % 1 % more or 0.5 %

      Gear box

      Maximum speed 70 km/h and 67.6 km/h 3 % more or 2.4 km/h

      12 reasons to buy Caterpillar 797B:

      Weight

      Unloaded rear weight distribution 56.5 % and 49.3 % 13 % more or 7.2 %
      Loaded front weight distribution 33.3 % and 32.8 % 2 % more or 0.5 %

      Sizes

      Unloading ground clearance 1885 mm and 480 mm 75 % more or 1405 mm

      Operation

      Engine oil volume 417 l. and 50 l. 88 % more or 367 l.
      Differential/final drive fluid volume 417 l. and 75 l. 82 % more or 342 l.
      Hydraulic system fluid volume 996 l. and 129 l. 87 % more or 867 l.
      Fuel Capacity 6813.7 l. and 484 l. 93 % more or 6329.7 l.

      Motor

      Full power 2648 kW and 386 kW 85 % more or 2262 kW
      Effective power 2513 kW and 371 kW 85 % more or 2142 kW
      Displacement 117.1 l. and 15.2 l. 87 % more or 101.9 l.
      Cylinders number 24 and 6 75 % more or 18

      Dump

      Lifting capacity with top 220 m3 and 27.3 m3 88 % more or 192.7 m3

      Neutral reasons:

      Weight

      Weight without load 34400 kg and 265000 kg
      Laden weight 74480 kg and 623690 kg

      Sizes

      Dimensional length 8465 mm and 14530 mm
      Overall width 3657.6 mm and 9154 mm
      Headroom 4150 mm and 7584 mm
      Wheelbase 3750 mm and 7200 mm
      Unloading height 7925 mm and 15292 mm

      Motor

      Manufacturer Komatsu and Caterpillar
      Model SAA6D140E-5 and 3524B HD EUI
      Aspiration turbocharging and turbocharging

      Gear box

      Transmission type automatic planetary gear and 7-planetary gear shift with direct injection
      Forward gears number 7 and 7
      Reverse gears number 1 and 1

      Dump

      Discharge angle 48 degrees and 45 degrees
      Nominal payload 40823.3 kg and 360000 kg

      Images

      Sizes

      1. Dimensional length 8465 mm 1. Dimensional length 14530 mm
      2. Overall width 3657.6 mm 2. Overall width 9154 mm
      3. Headroom 4150 mm 3. Headroom 7584 mm
      4. Wheelbase 3750 mm 4. Wheelbase 7200 mm
      6. Unloading height 7925 mm 6. Unloading height 15292 mm
      7. Unloading ground clearance 480 mm 7. Unloading ground clearance 1885 mm

      Dump

      8. Discharge angle 48 degrees 8. Discharge angle 45 degrees