vs.

      John Deere 85D vs. Komatsu PC78MR-6

      17 reasons to buy John Deere 85D:

      Swing device

      Rotation speed 10.5 rev / min and 10 rev / min 5 % more or 0.5 rev

      Sizes

      Width to outside of caterpillar track 2470 mm and 2320 mm 6 % more or 150 mm
      Counterweight ground clearance 760 mm and 735 mm 3 % more or 25 mm

      Operation

      Fuel Capacity 135 l. and 125 l. 7 % more or 10 l.
      Engine oil volume 12.1 l. and 7.5 l. 38 % more or 4.6 l.
      Generator current strength 50 amperes and 25 amperes 50 % more or 25 amperes
      Hydraulic system overflow valve pressure 31398.7 kPa and 26477.9 kPa 16 % more or 4920.8 kPa

      Motor

      Power measured at 2000 rev / min and 1850 rev / min 7 % more or 150 rev

      Carrier

      Specific ground pressure 25.5 kPa and 37.2 kPa 31 % less or 11.7 kPa
      Maximum travel speed 5 km/h and 4.2 km/h 16 % more or 0.8 km/h
      Track shoes number per side 40 and 39 2 % more or 1

      Booms/sections features 2

      Maximum radius along ground level 7550 mm and 7485 mm 1 % more or 65 mm
      Maximum loading height 5140 mm and 4770 mm 7 % more or 370 mm
      Maximum vertical wall digging depth 4030 mm and 3310 mm 18 % more or 720 mm

      Booms/sections features 1

      Maximum vertical wall digging depth 3450 mm and 2900 mm 16 % more or 550 mm
      Maximum radius along ground level 7050 mm and 6960 mm 1 % more or 90 mm
      Maximum loading height 4790 mm and 4515 mm 6 % more or 275 mm

      7 reasons to buy Komatsu PC78MR-6:

      Operation

      Cooling system fluid volume 10.5 l. and 10.3 l. 2 % more or 0.2 l.
      Hydraulic system fluid volume 110 l. and 103 l. 6 % more or 7 l.
      Hydraulic pump flow rate 160 l/min and 220 l/min 27 % less or 60 l/min

      Motor

      Displacement 3.3 l. and 2.2 l. 33 % more or 1.1 l.

      Carrier

      Hook traction force 64.7 kN and 65.2 kN 1 % less or 0.5 kN

      Booms/sections features 2

      Maximum excavation depth 4745 mm and 4470 mm 6 % more or 275 mm

      Booms/sections features 1

      Maximum excavation depth 4160 mm and 3970 mm 5 % more or 190 mm

      Neutral reasons:

      Sizes

      Caterpillar track length on ground level 2290 mm and 2235 mm
      Height to cab upper part 2690 mm and 2730 mm
      Clearance 360 mm and 360 mm
      Rear platform swing radius 1490 mm and 1405 mm

      Operation

      Working weight 8537 kg and 8270 kg
      Operating voltage 24 V and 24 V

      Motor

      Cylinders number 4 and 4
      Effective power 40.3 kW and 40.3 kW
      Aspiration Turbocharging with intercooler and Turbocharging with subsequent air cooling (by a cooling radiator)
      Manufacturer Isuzu and Komatsu
      Model 4LE2X, III Level III certified and S4D95LE-3

      Carrier

      Shoe dimensions 600 mm and 450 mm
      Rolling bearings number on either side 5 and 5
      Support rollers number on either side 1 and 1
      Track width 1870 mm and 1870 mm

      Booms/sections features 2

      Unit load-transfer length 6810 mm and 6200 mm
      Maximum cut height 7180 mm and 6800 mm
      Unit load-transfer height 2690 mm and 2730 mm

      Booms/sections features 1

      Unit load-transfer height 2690 mm and 2730 mm
      Unit load-transfer length 6700 mm and 6200 mm
      Maximum cut height 6810 mm and 6570 mm

      Images

      Sizes

      2. Width to outside of caterpillar track 2470 mm 2. Width to outside of caterpillar track 2320 mm
      4. Caterpillar track length on ground level 2290 mm 4. Caterpillar track length on ground level 2235 mm
      5. Clearance 360 mm 5. Clearance 360 mm
      7. Height to cab upper part 2690 mm 7. Height to cab upper part 2730 mm
      8. Rear platform swing radius 1490 mm 8. Rear platform swing radius 1405 mm
      15. Counterweight ground clearance 760 mm 15. Counterweight ground clearance 735 mm

      Carrier

      6. Track width 1870 mm 6. Track width 1870 mm
      14. Shoe dimensions 600 mm 14. Shoe dimensions 450 mm

      Booms/sections features 1

      10. Maximum loading height 4790 mm 10. Maximum loading height 4770 mm
      11. Maximum radius along ground level 7050 mm 11. Maximum radius along ground level 7485 mm
      12. Maximum vertical wall digging depth 3450 mm 12. Maximum vertical wall digging depth 3310 mm
      13. Maximum excavation depth 3970 mm 13. Maximum excavation depth 4745 mm
      1. Unit load-transfer length 6810 mm 1. Unit load-transfer length 6200 mm
      3. Unit load-transfer height 2690 mm 3. Unit load-transfer height 2730 mm
      9. Maximum cut height 7180 mm 9. Maximum cut height 6800 mm