vs.

      Caterpillar 797B vs. Komatsu HD785-7

      14 reasons to buy Caterpillar 797B:

      Weight

      Unloaded rear weight distribution 56.5 % and 53 % 6 % more or 3.5 %
      Loaded front weight distribution 33.3 % and 31.5 % 5 % more or 1.8 %

      Sizes

      Unloading ground clearance 1885 mm and 985 mm 48 % more or 900 mm

      Operation

      Brake / lift system fluid volume 1842 l. and 36 l. 98 % more or 1806 l.
      Hydraulic system fluid volume 996 l. and 175 l. 82 % more or 821 l.
      Fuel Capacity 6813.7 l. and 1308 l. 81 % more or 5505.7 l.
      Engine oil volume 417 l. and 129 l. 69 % more or 288 l.
      Differential/final drive fluid volume 417 l. and 137 l. 67 % more or 280 l.

      Motor

      Cylinders number 24 and 12 50 % more or 12
      Full power 2648 kW and 894.8 kW 66 % more or 1753.2 kW
      Effective power 2513 kW and 878.4 kW 65 % more or 1634.6 kW
      Displacement 117.1 l. and 30.5 l. 74 % more or 86.6 l.

      Gear box

      Maximum speed 67.6 km/h and 65 km/h 4 % more or 2.6 km/h

      Dump

      Lifting capacity with top 220 m3 and 60 m3 73 % more or 160 m3

      7 reasons to buy Komatsu HD785-7:

      Weight

      Loaded rear weight distribution 68.5 % and 66.7 % 3 % more or 1.8 %
      Unloaded front weight distribution 47 % and 43.5 % 7 % more or 3.5 %

      Operation

      Generator current strength 90 amperes and 75 amperes 17 % more or 15 amperes

      Motor

      Power measured at 1900 rev / min and 1750 rev / min 8 % more or 150 rev

      Gear box

      Reverse gears number 2 and 1 50 % more or 1

      Dump

      Lifting time 13 sec and 25 sec 48 % less or 12 sec
      Lowering time 14 sec and 18.5 sec 24 % less or 4.5 sec

      Neutral reasons:

      Weight

      Weight without load 265000 kg and 72000 kg
      Laden weight 623690 kg and 366000 kg

      Sizes

      Dimensional length 14530 mm and 10290 mm
      Overall width 9154 mm and 5530 mm
      Headroom 7584 mm and 5050 mm
      Wheelbase 7200 mm and 4950 mm
      Unloading height 15292 mm and 10080 mm

      Operation

      Operating voltage 24 V and 24 V
      Tyre size 59/80R63 Standard Tires and 27.00R49

      Motor

      Manufacturer Caterpillar and Komatsu
      Model 3524B HD EUI and SAA12V140E-3
      Aspiration turbocharging and turbocharging

      Gear box

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

      Dump

      Discharge angle 45 degrees and 48 degrees
      Nominal payload 360000 kg and 91000 kg

      Images

      Sizes

      1. Dimensional length 14530 mm 1. Dimensional length 10290 mm
      2. Overall width 9154 mm 2. Overall width 5530 mm
      3. Headroom 7584 mm 3. Headroom 5050 mm
      4. Wheelbase 7200 mm 4. Wheelbase 4950 mm
      6. Unloading height 15292 mm 6. Unloading height 10080 mm
      7. Unloading ground clearance 1885 mm 7. Unloading ground clearance 985 mm

      Dump

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