vs.

      Komatsu PC290LC-6 vs. Hitachi ZX870LCR-3

      7 reasons to buy Komatsu PC290LC-6:

      Swing device

      Rotation speed 11 rev / min and 7.3 rev / min 34 % more or 3.7 rev

      Operation

      Hydraulic pump flow rate 536 l/min and 1056 l/min 49 % less or 520 l/min
      Hydraulic system overflow valve pressure 34813.6 kPa and 34300 kPa 1 % more or 513.6 kPa

      Motor

      Power measured at 2200 rev / min and 1800 rev / min 18 % more or 400 rev

      Carrier

      Specific ground pressure 57.9 kPa and 116 kPa 50 % less or 58.1 kPa
      Maximum travel speed 5.3 km/h and 4.1 km/h 23 % more or 1.2 km/h

      Booms/sections features 1

      Maximum vertical wall digging depth 4774 mm and 4100 mm 14 % more or 674 mm

      21 reasons to buy Hitachi ZX870LCR-3:

      Operation

      Fuel Capacity 1120 l. and 340 l. 70 % more or 780 l.
      Cooling system fluid volume 116 l. and 24.4 l. 79 % more or 91.6 l.
      Hydraulic system fluid volume 790 l. and 166 l. 79 % more or 624 l.
      Engine oil volume 57 l. and 26.3 l. 54 % more or 30.7 l.
      Boom reach drive mechanism fluid volume 15 l. and 5.5 l. 63 % more or 9.5 l.

      Motor

      Displacement 15.7 l. and 5.9 l. 62 % more or 9.8 l.
      Effective power 397 kW and 129.8 kW 67 % more or 267.2 kW

      Carrier

      Support rollers number on either side 3 and 2 33 % more or 1
      Rolling bearings number on either side 9 and 7 22 % more or 2
      Track shoes number per side 51 and 45 12 % more or 6

      Booms/sections features 3

      Maximum excavation depth 8870 mm and 6461 mm 27 % more or 2409 mm
      Maximum radius along ground level 13820 mm and 9920 mm 28 % more or 3900 mm
      Maximum loading height 9080 mm and 6885 mm 24 % more or 2195 mm
      Maximum vertical wall digging depth 6840 mm and 5789 mm 15 % more or 1051 mm

      Booms/sections features 2

      Maximum radius along ground level 12510 mm and 9389 mm 25 % more or 3121 mm
      Maximum loading height 8180 mm and 6642 mm 19 % more or 1538 mm
      Maximum vertical wall digging depth 6090 mm and 5358 mm 12 % more or 732 mm
      Maximum excavation depth 7820 mm and 5916 mm 24 % more or 1904 mm

      Booms/sections features 1

      Maximum excavation depth 7140 mm and 5419 mm 24 % more or 1721 mm
      Maximum radius along ground level 12020 mm and 8979 mm 25 % more or 3041 mm
      Maximum loading height 8130 mm and 6458 mm 21 % more or 1672 mm

      Neutral reasons:

      Operation

      Working weight 28500 kg and 85500 kg

      Motor

      Manufacturer Komatsu and Isuzu
      Model SA6D102EA-1 and AH-6WG1XYSA-03
      Cylinders number 6 and 6
      Aspiration turbocharging and turbocharging

      Carrier

      Shoe dimensions 600 mm and 650 mm

      Booms/sections features 3

      Maximum cut height 9735 mm and 13000 mm

      Booms/sections features 2

      Maximum cut height 9389 mm and 12130 mm

      Booms/sections features 1

      Maximum cut height 9322 mm and 12010 mm

      Images

      Carrier

      14. Shoe dimensions 600 mm 14. Shoe dimensions 650 mm

      Booms/sections features 1

      10. Maximum loading height 6885 mm 10. Maximum loading height 9080 mm
      11. Maximum radius along ground level 9920 mm 11. Maximum radius along ground level 13820 mm
      13. Maximum excavation depth 6461 mm 13. Maximum excavation depth 8870 mm
      9. Maximum cut height 9867 mm 9. Maximum cut height 13000 mm
      12. Maximum vertical wall digging depth 5789 mm 12. Maximum vertical wall digging depth 6840 mm