vs.

      Komatsu HD785-7 vs. Caterpillar 777F

      10 reasons to buy Komatsu HD785-7:

      Weight

      Unloaded front weight distribution 47 % and 45 % 4 % more or 2 %
      Loaded rear weight distribution 68.5 % and 67 % 2 % more or 1.5 %

      Sizes

      Unloading ground clearance 985 mm and 965 mm 2 % more or 20 mm

      Operation

      Fuel Capacity 1308 l. and 1136 l. 13 % more or 172 l.

      Motor

      Maximum torque 5080.3 Nm and 4715.5 Nm 7 % more or 364.8 Nm
      Full power 894.8 kW and 758 kW 15 % more or 136.8 kW
      Effective power 878.4 kW and 700 kW 20 % more or 178.4 kW

      Gear box

      Maximum speed 65 km/h and 64.5 km/h 1 % more or 0.5 km/h
      Reverse gears number 2 and 1 50 % more or 1

      Dump

      Lifting time 13 sec and 15 sec 13 % less or 2 sec

      10 reasons to buy Caterpillar 777F:

      Weight

      Unloaded rear weight distribution 55 % and 53 % 4 % more or 2 %
      Loaded front weight distribution 33 % and 31.5 % 5 % more or 1.5 %

      Operation

      Hydraulic system fluid volume 189 l. and 175 l. 7 % more or 14 l.
      Engine oil volume 504 l. and 129 l. 74 % more or 375 l.
      Differential/final drive fluid volume 264 l. and 137 l. 48 % more or 127 l.
      Brake / lift system fluid volume 504 l. and 36 l. 93 % more or 468 l.

      Motor

      Displacement 32.1 l. and 30.5 l. 5 % more or 1.6 l.

      Dump

      Lowering time 13 sec and 14 sec 7 % less or 1 sec
      Brimmed lifting capacity 41.9 m3 and 40 m3 5 % more or 1.9 m3
      Lifting capacity with top 60.2 m3 and 60 m3 0 % more or 0.2 m3

      Neutral reasons:

      Weight

      Weight without load 72000 kg and 73976.4 kg
      Laden weight 366000 kg and 163293 kg

      Sizes

      Wheelbase 4950 mm and 4560 mm
      Unloading height 10080 mm and 10325 mm
      Dimensional length 10290 mm and 10535 mm
      Overall width 5530 mm and 6494 mm
      Headroom 5050 mm and 5170 mm

      Operation

      Tyre size 27.00R49 and 27.00R49(E4)

      Motor

      Manufacturer Komatsu and Caterpillar
      Model SAA12V140E-3 and C32 ACERT
      Aspiration turbocharging and turbocharging
      Cylinders number 12 and 12

      Gear box

      Transmission type planetary gear and 7-planetary gearbox with switching speeds under load
      Forward gears number 7 and 7

      Dump

      Nominal payload 91000 kg and 90718.5 kg
      Discharge angle 48 degrees and 49.4 degrees

      Images

      Sizes

      1. Dimensional length 10290 mm 1. Dimensional length 10535 mm
      2. Overall width 5530 mm 2. Overall width 6494 mm
      3. Headroom 5050 mm 3. Headroom 5170 mm
      4. Wheelbase 4950 mm 4. Wheelbase 4560 mm
      6. Unloading height 10080 mm 6. Unloading height 10325 mm
      7. Unloading ground clearance 985 mm 7. Unloading ground clearance 965 mm

      Dump

      8. Discharge angle 48 degrees 8. Discharge angle 49.4 degrees