vs.

      Komatsu HD785-7 vs. Caterpillar 773B

      13 reasons to buy Komatsu HD785-7:

      Weight

      Unloaded rear weight distribution 53 % and 52.7 % 1 % more or 0.3 %
      Loaded rear weight distribution 68.5 % and 66.7 % 3 % more or 1.8 %

      Sizes

      Unloading ground clearance 985 mm and 566 mm 43 % more or 419 mm

      Operation

      Fuel Capacity 1308 l. and 700 l. 46 % more or 608 l.
      Engine oil volume 129 l. and 68 l. 47 % more or 61 l.

      Motor

      Full power 894.8 kW and 509 kW 43 % more or 385.8 kW
      Effective power 878.4 kW and 485 kW 45 % more or 393.4 kW
      Displacement 30.5 l. and 27 l. 11 % more or 3.5 l.

      Gear box

      Reverse gears number 2 and 1 50 % more or 1
      Maximum speed 65 km/h and 57.3 km/h 12 % more or 7.7 km/h

      Dump

      Lowering time 14 sec and 14.2 sec 1 % less or 0.2 sec
      Brimmed lifting capacity 40 m3 and 26 m3 35 % more or 14 m3
      Lifting capacity with top 60 m3 and 34.1 m3 43 % more or 25.9 m3

      5 reasons to buy Caterpillar 773B:

      Weight

      Unloaded front weight distribution 47.3 % and 47 % 1 % more or 0.3 %
      Loaded front weight distribution 33.3 % and 31.5 % 5 % more or 1.8 %

      Operation

      Differential/final drive fluid volume 155 l. and 137 l. 12 % more or 18 l.

      Motor

      Power measured at 2000 rev / min and 1900 rev / min 5 % more or 100 rev

      Dump

      Lifting time 11.4 sec and 13 sec 12 % less or 1.6 sec

      Neutral reasons:

      Weight

      Weight without load 72000 kg and 39396 kg
      Laden weight 366000 kg and 92534 kg

      Sizes

      Dimensional length 10290 mm and 9270 mm
      Overall width 5530 mm and 4700 mm
      Headroom 5050 mm and 4230 mm
      Wheelbase 4950 mm and 4190 mm
      Unloading height 10080 mm and 8660 mm

      Operation

      Operating voltage 24 V and 24 V
      Tyre size 27.00R49 and 21.00-35 32PR (E-3)

      Motor

      Aspiration turbocharging and turbocharging and cooling at the outlet
      Manufacturer Komatsu and Caterpillar
      Model SAA12V140E-3 and 3412

      Gear box

      Forward gears number 7 and 7

      Dump

      Nominal payload 91000 kg and 53977.5 kg
      Discharge angle 48 degrees and 54.5 degrees

      Images

      Sizes

      1. Dimensional length 10290 mm 1. Dimensional length 9270 mm
      2. Overall width 5530 mm 2. Overall width 4700 mm
      3. Headroom 5050 mm 3. Headroom 4230 mm
      4. Wheelbase 4950 mm 4. Wheelbase 4190 mm
      6. Unloading height 10080 mm 6. Unloading height 8660 mm
      7. Unloading ground clearance 985 mm 7. Unloading ground clearance 566 mm

      Dump

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