vs.

      Komatsu PC78MR-6 vs. Komatsu PC45R-8

      19 reasons to buy Komatsu PC78MR-6:

      Swing device

      Rotation speed 10 rev / min and 9 rev / min 10 % more or 1 rev

      Sizes

      Width to outside of caterpillar track 2320 mm and 1900 mm 18 % more or 420 mm
      Clearance 360 mm and 340 mm 6 % more or 20 mm
      Counterweight ground clearance 735 mm and 640 mm 13 % more or 95 mm

      Operation

      Cooling system fluid volume 10.5 l. and 7.5 l. 29 % more or 3.0 l.
      Hydraulic system fluid volume 110 l. and 33 l. 70 % more or 77 l.
      Hydraulic system overflow valve pressure 26477.9 kPa and 25000 kPa 6 % more or 1477.9 kPa
      Fuel Capacity 125 l. and 51.5 l. 59 % more or 73.5 l.

      Motor

      Effective power 40.3 kW and 28.9 kW 28 % more or 11.4 kW
      Displacement 3.3 l. and 2 l. 39 % more or 1.3 l.

      Carrier

      Track shoes number per side 39 and 38 3 % more or 1

      Booms/sections features 2

      Maximum vertical wall digging depth 3310 mm and 2865 mm 13 % more or 445 mm
      Maximum excavation depth 4745 mm and 3895 mm 18 % more or 850 mm
      Maximum radius along ground level 7485 mm and 6160 mm 18 % more or 1325 mm
      Maximum loading height 4770 mm and 4395 mm 8 % more or 375 mm

      Booms/sections features 1

      Maximum vertical wall digging depth 2900 mm and 2600 mm 10 % more or 300 mm
      Maximum excavation depth 4160 mm and 3520 mm 15 % more or 640 mm
      Maximum radius along ground level 6960 mm and 5810 mm 17 % more or 1150 mm
      Maximum loading height 4515 mm and 4190 mm 7 % more or 325 mm

      6 reasons to buy Komatsu PC45R-8:

      Operation

      Engine oil volume 8 l. and 7.5 l. 6 % more or 0.5 l.
      Generator current strength 40 amperes and 25 amperes 37 % more or 15 amperes
      Hydraulic pump flow rate 129.5 l/min and 160 l/min 19 % less or 30.5 l/min

      Motor

      Power measured at 2500 rev / min and 1850 rev / min 26 % more or 650 rev

      Carrier

      Specific ground pressure 28.4 kPa and 37.2 kPa 24 % less or 8.8 kPa
      Maximum travel speed 4.6 km/h and 4.2 km/h 9 % more or 0.4 km/h

      Neutral reasons:

      Sizes

      Rear platform swing radius 1405 mm and 1470 mm
      Caterpillar track length on ground level 2235 mm and 1940 mm
      Height to cab upper part 2730 mm and 2560 mm

      Operation

      Operating voltage 24 V and 24 V
      Working weight 8270 kg and 4750 kg

      Motor

      Aspiration Turbocharging with subsequent air cooling (by a cooling radiator) and natural aspiration
      Cylinders number 4 and 4
      Manufacturer Komatsu and Komatsu
      Model S4D95LE-3 and 4D84E-3FA

      Carrier

      Shoe dimensions 450 mm and 400 mm
      Rolling bearings number on either side 5 and 5
      Track width 1870 mm and 1500 mm

      Booms/sections features 2

      Unit load-transfer height 2730 mm and 2560 mm
      Unit load-transfer length 6200 mm and 5485 mm
      Maximum cut height 6800 mm and 5955 mm

      Booms/sections features 1

      Unit load-transfer height 2730 mm and 2560 mm
      Unit load-transfer length 6200 mm and 5485 mm
      Maximum cut height 6570 mm and 5760 mm

      Images

      Sizes

      4. Caterpillar track length on ground level 2235 mm 4. Caterpillar track length on ground level 1940 mm
      15. Counterweight ground clearance 735 mm 15. Counterweight ground clearance 640 mm
      5. Clearance 360 mm 5. Clearance 340 mm
      7. Height to cab upper part 2730 mm 7. Height to cab upper part 2560 mm
      8. Rear platform swing radius 1405 mm 8. Rear platform swing radius 1470 mm
      2. Width to outside of caterpillar track 2320 mm 2. Width to outside of caterpillar track 1900 mm

      Carrier

      6. Track width 1870 mm 6. Track width 1500 mm
      14. Shoe dimensions 450 mm 14. Shoe dimensions 400 mm

      Booms/sections features 1

      13. Maximum excavation depth 4745 mm 13. Maximum excavation depth 3895 mm
      1. Unit load-transfer length 6200 mm 1. Unit load-transfer length 5485 mm
      3. Unit load-transfer height 2730 mm 3. Unit load-transfer height 2560 mm
      9. Maximum cut height 6800 mm 9. Maximum cut height 5760 mm
      10. Maximum loading height 4770 mm 10. Maximum loading height 4190 mm
      11. Maximum radius along ground level 7485 mm 11. Maximum radius along ground level 5810 mm
      12. Maximum vertical wall digging depth 3310 mm 12. Maximum vertical wall digging depth 2600 mm