vs.

      Hitachi ZX270LC-3 vs. Komatsu PC750LC-7

      8 reasons to buy Hitachi ZX270LC-3:

      Swing device

      Rotation speed 12.6 rev / min and 6.8 rev / min 46 % more or 5.8 rev

      Operation

      Hydraulic pump flow rate 472 l/min and 988 l/min 52 % less or 516 l/min

      Motor

      Power measured at 2100 rev / min and 1800 rev / min 14 % more or 300 rev

      Carrier

      Hook traction force 249.4 kN and 559 kN 55 % less or 309.6 kN
      Track shoes number per side 49 and 47 4 % more or 2
      Specific ground pressure 40.3 kPa and 85.6 kPa 53 % less or 45.3 kPa
      Maximum travel speed 5.5 km/h and 4.2 km/h 24 % more or 1.3 km/h

      Booms/sections features 1

      Maximum vertical wall digging depth 6110 mm and 5230 mm 14 % more or 880 mm

      16 reasons to buy Komatsu PC750LC-7:

      Sizes

      Width to outside of caterpillar track 4210 mm and 3390 mm 19 % more or 820 mm
      Clearance 840 mm and 510 mm 39 % more or 330 mm
      Counterweight ground clearance 1560 mm and 1180 mm 24 % more or 380 mm

      Shovel

      Bucket initial volume 4 m3 and 1.7 m3 57 % more or 2.3 m3

      Operation

      Cooling system fluid volume 85 l. and 26 l. 69 % more or 59 l.
      Hydraulic system fluid volume 440 l. and 240 l. 45 % more or 200 l.
      Engine oil volume 55 l. and 23 l. 58 % more or 32 l.
      Boom reach drive mechanism fluid volume 20 l. and 7.6 l. 62 % more or 12.4 l.
      Fuel Capacity 880 l. and 500 l. 43 % more or 380 l.

      Motor

      Effective power 338 kW and 140 kW 59 % more or 198 kW
      Displacement 15.2 l. and 5.2 l. 66 % more or 10.0 l.
      Cylinders number 6 and 4 33 % more or 2

      Carrier

      Support rollers number on either side 3 and 2 33 % more or 1

      Booms/sections features 1

      Maximum loading height 82335 mm and 7070 mm 91 % more or 75265 mm
      Maximum excavation depth 8445 mm and 7260 mm 14 % more or 1185 mm
      Maximum radius along ground level 13400 mm and 10550 mm 21 % more or 2850 mm

      Neutral reasons:

      Sizes

      Rear platform swing radius 2940 mm and 4300 mm
      Caterpillar track length on ground level 4050 mm and 5020 mm
      Height to cab upper part 3100 mm and 3445 mm

      Operation

      Hydraulic system overflow valve pressure 34335.9 kPa and 34335.9 kPa
      Working weight 28770 kg and 80645 kg

      Motor

      Manufacturer Isuzu and Komatsu
      Model AH-4HK1XYSA-03 and SAA6D140E-3
      Aspiration Turbocharging with intercooler and Turbocharging with subsequent air cooling (by a cooling radiator)

      Carrier

      Track width 2590 mm and 3500 mm
      Shoe dimensions 800 mm and 710 mm
      Rolling bearings number on either side 8 and 8

      Booms/sections features 1

      Unit load-transfer height 3170 mm and 4850 mm
      Unit load-transfer length 10340 mm and 13895 mm
      Maximum cut height 10010 mm and 11955 mm

      Images

      Sizes

      8. Rear platform swing radius 2940 mm 8. Rear platform swing radius 4300 mm
      15. Counterweight ground clearance 1180 mm 15. Counterweight ground clearance 1560 mm
      2. Width to outside of caterpillar track 3390 mm 2. Width to outside of caterpillar track 4210 mm
      4. Caterpillar track length on ground level 4050 mm 4. Caterpillar track length on ground level 5020 mm
      5. Clearance 510 mm 5. Clearance 840 mm
      7. Height to cab upper part 3100 mm 7. Height to cab upper part 3445 mm

      Carrier

      6. Track width 2590 mm 6. Track width 3500 mm
      14. Shoe dimensions 800 mm 14. Shoe dimensions 710 mm

      Booms/sections features 1

      1. Unit load-transfer length 10740 mm 1. Unit load-transfer length 13895 mm
      3. Unit load-transfer height 3350 mm 3. Unit load-transfer height 4850 mm
      9. Maximum cut height 10460 mm 9. Maximum cut height 11955 mm
      10. Maximum loading height 7490 mm 10. Maximum loading height 82335 mm
      11. Maximum radius along ground level 11120 mm 11. Maximum radius along ground level 13400 mm
      12. Maximum vertical wall digging depth 7030 mm 12. Maximum vertical wall digging depth 5230 mm
      13. Maximum excavation depth 7910 mm 13. Maximum excavation depth 8445 mm