vs.

      Komatsu PC1250-7 vs. Hitachi ZX800

      21 reasons to buy Komatsu PC1250-7:

      Sizes

      Width to outside of caterpillar track 4600 mm and 4360 mm 5 % more or 240 mm
      Clearance 990 mm and 880 mm 11 % more or 110 mm
      Counterweight ground clearance 1790 mm and 1590 mm 11 % more or 200 mm

      Shovel

      Maximum bucket volume 5.2 m3 and 3.8 m3 27 % more or 1.4 m3

      Operation

      Engine oil volume 56 l. and 55 l. 2 % more or 1 l.
      Boom reach drive mechanism fluid volume 24 l. and 15 l. 37 % more or 9 l.
      Fuel Capacity 1360 l. and 901 l. 34 % more or 459 l.
      Cooling system fluid volume 140 l. and 107 l. 24 % more or 33 l.

      Motor

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

      Booms/sections features 3

      Maximum excavation depth 11590 mm and 9670 mm 17 % more or 1920 mm
      Maximum radius along ground level 17130 mm and 14870 mm 13 % more or 2260 mm
      Maximum loading height 9440 mm and 9210 mm 2 % more or 230 mm
      Maximum vertical wall digging depth 9480 mm and 8970 mm 5 % more or 510 mm

      Booms/sections features 2

      Maximum excavation depth 10440 mm and 8880 mm 15 % more or 1560 mm
      Maximum radius along ground level 16000 mm and 13990 mm 13 % more or 2010 mm
      Maximum loading height 9000 mm and 8530 mm 5 % more or 470 mm
      Maximum vertical wall digging depth 8490 mm and 7790 mm 8 % more or 700 mm

      Booms/sections features 1

      Maximum excavation depth 9350 mm and 7240 mm 23 % more or 2110 mm
      Maximum radius along ground level 15000 mm and 12410 mm 17 % more or 2590 mm
      Maximum loading height 8680 mm and 7820 mm 10 % more or 860 mm
      Maximum vertical wall digging depth 7610 mm and 4340 mm 43 % more or 3270 mm

      8 reasons to buy Hitachi ZX800:

      Swing device

      Rotation speed 8.2 rev / min and 5.5 rev / min 33 % more or 2.7 rev

      Shovel

      Bucket minimum volume 1.3 m3 and 3.4 m3 62 % less or 2.1 m3

      Operation

      Hydraulic system overflow valve pressure 34335.9 kPa and 34323.2 kPa 0 % more or 12.7 kPa
      Hydraulic pump flow rate 30.2 l/min and 988 l/min 97 % less or 957.8 l/min

      Carrier

      Track shoes number per side 51 and 48 6 % more or 3
      Rolling bearings number on either side 9 and 8 11 % more or 1
      Specific ground pressure 101 kPa and 137.3 kPa 26 % less or 36.3 kPa
      Maximum travel speed 4.3 km/h and 3.2 km/h 26 % more or 1.1 km/h

      Neutral reasons:

      Sizes

      Height to cab upper part 3925 mm and 3520 mm
      Rear platform swing radius 4870 mm and 4300 mm
      Caterpillar track length on ground level 4995 mm and 5110 mm

      Operation

      Hydraulic system fluid volume 670 l. and 670 l.
      Working weight 106700 kg and 73900 kg
      Operating voltage 24 V and 12 V

      Motor

      Aspiration Turbocharging with subsequent air cooling (by a cooling radiator) and turbocharging
      Cylinders number 6 and 6
      Manufacturer Komatsu and Isuzu
      Model SAA6D170E-3 and BB-6WG1T
      Power measured at 1800 rev / min and 1800 rev / min

      Carrier

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

      Booms/sections features 3

      Unit load-transfer height 6990 mm and 4480 mm
      Unit load-transfer length 15840 mm and 14320 mm
      Maximum cut height 13910 mm and 13310 mm

      Booms/sections features 2

      Unit load-transfer height 6460 mm and 4480 mm
      Unit load-transfer length 16050 mm and 14320 mm
      Maximum cut height 13490 mm and 12530 mm

      Booms/sections features 1

      Unit load-transfer height 6040 mm and 4480 mm
      Unit load-transfer length 16020 mm and 14320 mm
      Maximum cut height 13400 mm and 11680 mm

      Images

      Sizes

      2. Width to outside of caterpillar track 4600 mm 2. Width to outside of caterpillar track 4360 mm
      4. Caterpillar track length on ground level 4995 mm 4. Caterpillar track length on ground level 5110 mm
      5. Clearance 990 mm 5. Clearance 880 mm
      7. Height to cab upper part 3925 mm 7. Height to cab upper part 3520 mm
      8. Rear platform swing radius 4870 mm 8. Rear platform swing radius 4300 mm
      15. Counterweight ground clearance 1790 mm 15. Counterweight ground clearance 1590 mm

      Carrier

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

      Booms/sections features 1

      10. Maximum loading height 9440 mm 10. Maximum loading height 9210 mm
      9. Maximum cut height 13910 mm 9. Maximum cut height 13520 mm
      11. Maximum radius along ground level 17130 mm 11. Maximum radius along ground level 14870 mm
      13. Maximum excavation depth 11590 mm 13. Maximum excavation depth 9670 mm
      12. Maximum vertical wall digging depth 9480 mm 12. Maximum vertical wall digging depth 8970 mm
      1. Unit load-transfer length 16020 mm 1. Unit load-transfer length 14320 mm
      3. Unit load-transfer height 6040 mm 3. Unit load-transfer height 4480 mm