vs.

      Hitachi ZX870LCH-3 vs. Komatsu PC1250SP-7

      7 reasons to buy Hitachi ZX870LCH-3:

      Swing device

      Rotation speed 7.3 rev / min and 5.5 rev / min 25 % more or 1.8 rev

      Operation

      Hydraulic system fluid volume 790 l. and 670 l. 15 % more or 120 l.
      Engine oil volume 57 l. and 56 l. 2 % more or 1 l.

      Carrier

      Rolling bearings number on either side 9 and 8 11 % more or 1
      Specific ground pressure 121 kPa and 137.3 kPa 12 % less or 16.3 kPa
      Maximum travel speed 4.1 km/h and 3.2 km/h 22 % more or 0.9 km/h
      Track shoes number per side 51 and 48 6 % more or 3

      13 reasons to buy Komatsu PC1250SP-7:

      Sizes

      Width to outside of caterpillar track 4600 mm and 4100 mm 11 % more or 500 mm
      Clearance 990 mm and 890 mm 10 % more or 100 mm
      Counterweight ground clearance 1790 mm and 1680 mm 6 % more or 110 mm

      Operation

      Fuel Capacity 1360 l. and 1120 l. 18 % more or 240 l.
      Cooling system fluid volume 140 l. and 116 l. 17 % more or 24 l.
      Boom reach drive mechanism fluid volume 24 l. and 15 l. 37 % more or 9 l.
      Hydraulic system overflow valve pressure 34323.2 kPa and 34300 kPa 0 % more or 23.2 kPa
      Hydraulic pump flow rate 988 l/min and 1056 l/min 6 % less or 68 l/min

      Motor

      Displacement 23.2 l. and 15.7 l. 32 % more or 7.5 l.

      Booms/sections features 1

      Maximum excavation depth 7900 mm and 7140 mm 10 % more or 760 mm
      Maximum radius along ground level 13670 mm and 12020 mm 12 % more or 1650 mm
      Maximum loading height 8450 mm and 8130 mm 4 % more or 320 mm
      Maximum vertical wall digging depth 5025 mm and 4100 mm 18 % more or 925 mm

      Neutral reasons:

      Sizes

      Height to cab upper part 3780 mm and 3925 mm
      Rear platform swing radius 4600 mm and 4870 mm
      Caterpillar track length on ground level 5110 mm and 4995 mm

      Operation

      Working weight 84000 kg and 106700 kg
      Generator current strength 50 amperes and 50 amperes

      Motor

      Aspiration turbocharging and Turbocharging with subsequent air cooling (by a cooling radiator)
      Cylinders number 6 and 6
      Manufacturer Isuzu and Komatsu
      Model AH-6WG1XYSA-03 and SAA6D170E-3
      Power measured at 1800 rev / min and 1800 rev / min

      Carrier

      Shoe dimensions 650 mm and 700 mm
      Support rollers number on either side 3 and 3
      Track width 3450 mm and 3900 mm

      Booms/sections features 1

      Maximum cut height 12010 mm and 13000 mm

      Images

      Sizes

      2. Width to outside of caterpillar track 4100 mm 2. Width to outside of caterpillar track 4600 mm
      4. Caterpillar track length on ground level 5110 mm 4. Caterpillar track length on ground level 4995 mm
      5. Clearance 890 mm 5. Clearance 990 mm
      7. Height to cab upper part 3780 mm 7. Height to cab upper part 3925 mm
      8. Rear platform swing radius 4600 mm 8. Rear platform swing radius 4870 mm
      15. Counterweight ground clearance 1680 mm 15. Counterweight ground clearance 1790 mm

      Carrier

      6. Track width 3450 mm 6. Track width 3900 mm
      14. Shoe dimensions 650 mm 14. Shoe dimensions 700 mm

      Booms/sections features 1

      12. Maximum vertical wall digging depth 4100 mm 12. Maximum vertical wall digging depth 5025 mm
      13. Maximum excavation depth 7140 mm 13. Maximum excavation depth 7900 mm
      1. Unit load-transfer length 14770 mm 1. Unit load-transfer length 14790 mm
      3. Unit load-transfer height 4570 mm 3. Unit load-transfer height 6265 mm
      9. Maximum cut height 12130 mm 9. Maximum cut height 13000 mm
      10. Maximum loading height 8180 mm 10. Maximum loading height 8450 mm
      11. Maximum radius along ground level 12510 mm 11. Maximum radius along ground level 13670 mm