vs.

      Hitachi ZX850-3 vs. Komatsu PC290LC-7

      25 reasons to buy Hitachi ZX850-3:

      Sizes

      Clearance 890 mm and 500 mm 44 % more or 390 mm
      Counterweight ground clearance 1680 mm and 1185 mm 29 % more or 495 mm
      Width to outside of caterpillar track 4100 mm and 3190 mm 22 % more or 910 mm

      Shovel

      Bucket initial volume 3.5 m3 and 1.2 m3 66 % more or 2.3 m3

      Operation

      Fuel Capacity 1120 l. and 400 l. 64 % more or 720 l.
      Cooling system fluid volume 116 l. and 30.9 l. 73 % more or 85.1 l.
      Hydraulic system fluid volume 790 l. and 143 l. 82 % more or 647 l.
      Engine oil volume 57 l. and 24 l. 58 % more or 33 l.
      Boom reach drive mechanism fluid volume 15 l. and 6.6 l. 56 % more or 8.4 l.

      Motor

      Effective power 343 kW and 133.5 kW 61 % more or 209.5 kW
      Displacement 15.7 l. and 5.9 l. 62 % more or 9.8 l.

      Carrier

      Track shoes number per side 47 and 45 4 % more or 2
      Support rollers number on either side 3 and 2 33 % more or 1
      Rolling bearings number on either side 8 and 7 12 % more or 1

      Booms/sections features 3

      Maximum excavation depth 9570 mm and 6460 mm 32 % more or 3110 mm
      Maximum radius along ground level 14640 mm and 9990 mm 32 % more or 4650 mm
      Maximum loading height 9740 mm and 7035 mm 28 % more or 2705 mm
      Maximum vertical wall digging depth 8480 mm and 5650 mm 33 % more or 2830 mm

      Booms/sections features 2

      Maximum vertical wall digging depth 7170 mm and 4800 mm 33 % more or 2370 mm
      Maximum excavation depth 8870 mm and 5940 mm 33 % more or 2930 mm
      Maximum radius along ground level 13820 mm and 9450 mm 32 % more or 4370 mm
      Maximum loading height 9080 mm and 6720 mm 26 % more or 2360 mm

      Booms/sections features 1

      Maximum excavation depth 7140 mm and 5440 mm 24 % more or 1700 mm
      Maximum radius along ground level 12020 mm and 9050 mm 25 % more or 2970 mm
      Maximum loading height 8130 mm and 6600 mm 19 % more or 1530 mm

      7 reasons to buy Komatsu PC290LC-7:

      Swing device

      Rotation speed 10.5 rev / min and 7.3 rev / min 30 % more or 3.2 rev

      Operation

      Hydraulic system overflow valve pressure 37265.2 kPa and 34300 kPa 8 % more or 2965.2 kPa
      Hydraulic pump flow rate 450 l/min and 1056 l/min 57 % less or 606 l/min

      Motor

      Power measured at 2050 rev / min and 1800 rev / min 12 % more or 250 rev

      Carrier

      Specific ground pressure 56.9 kPa and 121 kPa 53 % less or 64.1 kPa
      Maximum travel speed 5.5 km/h and 4.1 km/h 25 % more or 1.4 km/h

      Booms/sections features 1

      Maximum vertical wall digging depth 4580 mm and 4100 mm 10 % more or 480 mm

      Neutral reasons:

      Sizes

      Height to cab upper part 3630 mm and 3100 mm
      Rear platform swing radius 4600 mm and 2940 mm
      Caterpillar track length on ground level 4590 mm and 3700 mm

      Operation

      Working weight 80500 kg and 28130 kg

      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 SA6D102E-2

      Carrier

      Track width 3450 mm and 2590 mm
      Shoe dimensions 650 mm and 600 mm

      Booms/sections features 3

      Maximum cut height 13820 mm and 10000 mm

      Booms/sections features 2

      Unit load-transfer height 4570 mm and 3320 mm
      Unit load-transfer length 14770 mm and 9940 mm
      Maximum cut height 13030 mm and 9620 mm

      Booms/sections features 1

      Maximum cut height 12010 mm and 9540 mm

      Images

      Sizes

      2. Width to outside of caterpillar track 4100 mm 2. Width to outside of caterpillar track 3190 mm
      4. Caterpillar track length on ground level 4590 mm 4. Caterpillar track length on ground level 3700 mm
      5. Clearance 890 mm 5. Clearance 500 mm
      7. Height to cab upper part 3630 mm 7. Height to cab upper part 3100 mm
      8. Rear platform swing radius 4600 mm 8. Rear platform swing radius 2940 mm
      15. Counterweight ground clearance 1680 mm 15. Counterweight ground clearance 1185 mm

      Carrier

      6. Track width 3450 mm 6. Track width 2590 mm
      14. Shoe dimensions 650 mm 14. Shoe dimensions 600 mm

      Booms/sections features 1

      13. Maximum excavation depth 8870 mm 13. Maximum excavation depth 6460 mm
      10. Maximum loading height 9740 mm 10. Maximum loading height 7035 mm
      11. Maximum radius along ground level 14640 mm 11. Maximum radius along ground level 9990 mm
      1. Unit load-transfer length 14770 mm 1. Unit load-transfer length 9890 mm
      3. Unit load-transfer height 4570 mm 3. Unit load-transfer height 3280 mm
      9. Maximum cut height 13820 mm 9. Maximum cut height 10130 mm
      12. Maximum vertical wall digging depth 8480 mm 12. Maximum vertical wall digging depth 5650 mm