vs.

      Komatsu PC1250-7 vs. Hitachi EX1900

      11 reasons to buy Komatsu PC1250-7:

      Sizes

      Clearance 990 mm and 795 mm 20 % more or 195 mm

      Shovel boom/sections 2

      Maximum radius on ground level 16000 mm and 15630 mm 2 % more or 370 mm
      Maximum excavation depth 10440 mm and 9230 mm 12 % more or 1210 mm
      Maximum vertical wall digging depth 8490 mm and 6630 mm 22 % more or 1860 mm

      Shovel boom/sections 1

      Maximum excavation depth 9350 mm and 8180 mm 13 % more or 1170 mm
      Maximum vertical wall digging depth 7610 mm and 3860 mm 49 % more or 3750 mm
      Maximum radius on ground level 15000 mm and 14770 mm 2 % more or 230 mm

      Operation

      Rotation speed 5.5 rev / min and 4.7 rev / min 15 % more or 0.8 rev

      Carrier

      Bucket loader specific ground pressure 20.3 lb / sq. inch and 25.8 lb / sq. inch 21 % less or 5.5 lb
      Maximum travel speed 3.2 km/h and 2.8 km/h 12 % more or 0.4 km/h
      Excavator specific ground pressure with support 1 19.9 lb / sq. inch and 25.8 lb / sq. inch 23 % less or 5.9 lb

      22 reasons to buy Hitachi EX1900:

      Sizes

      Caterpillar track length 7480 mm and 6425 mm 14 % more or 1055 mm
      Upper structure clearance 1995 mm and 1790 mm 10 % more or 205 mm

      Shovel boom/sections 3

      Maximum excavation depth 11780 mm and 11590 mm 2 % more or 190 mm
      Maximum vertical wall digging depth 10050 mm and 9480 mm 6 % more or 570 mm
      Maximum unloading height 11820 mm and 9440 mm 20 % more or 2380 mm
      Maximum radius on ground level 19020 mm and 17130 mm 10 % more or 1890 mm

      Shovel boom/sections 2

      Maximum unloading height 9200 mm and 9000 mm 2 % more or 200 mm

      Shovel boom/sections 1

      Maximum unloading height 9060 mm and 8680 mm 4 % more or 380 mm

      Shovel

      Bucket initial volume 11 m3 and 5 m3 55 % more or 6 m3

      Operation

      Fuel Capacity 3085 l. and 1360 l. 56 % more or 1725 l.
      Cooling system fluid volume 195 l. and 140 l. 28 % more or 55 l.
      Engine oil volume 172 l. and 56 l. 67 % more or 116 l.
      Hydraulic system fluid volume 2200 l. and 670 l. 70 % more or 1530 l.

      Motor

      Effective power 719.6 kW and 485 kW 33 % more or 234.6 kW
      Displacement 33.9 l. and 23.2 l. 32 % more or 10.7 l.

      Loading bucket

      Maximum unloading height 10440 mm and 8700 mm 17 % more or 1740 mm
      Maximum digging radius 13430 mm and 11400 mm 15 % more or 2030 mm
      Maximum excavation depth 5920 mm and 3650 mm 38 % more or 2270 mm

      Carrier

      Loading shovel operational weight 185900 kg and 109500 kg 41 % more or 76400 kg
      Track shoes number on either side 49 and 48 2 % more or 1
      Unloaded backhoe shovel operational weight with support 1 186500 kg and 106700 kg 43 % more or 79800 kg
      Bucket loader support width 800 mm and 700 mm 12 % more or 100 mm

      Neutral reasons:

      Sizes

      Width between caterpillar tracks 4600 mm and 5400 mm
      Height to cab upper part 4120 mm and 6820 mm
      Caterpillar track length on ground level 4995 mm and 5780 mm

      Shovel boom/sections 3

      Backhoe shovel boom / section boom with lever 5700mm and boom 11800mm with lever 4000mm
      Maximum cut height 13910 mm and 17380 mm
      Handle pressure force 63000 lb / ft and 424.1 lb / ft

      Shovel boom/sections 2

      Handle pressure force 72000 lb / ft and 424.1 lb / ft
      Backhoe shovel boom / section boom with lever 4500mm and boom 8700mm with lever 4000 m
      Maximum cut height 13490 mm and 14480 mm

      Shovel boom/sections 1

      Backhoe shovel boom / section boom with lever 3400mm and boom 8300mm with lever 3600mm
      Maximum cut height 13400 mm and 14140 mm
      Handle pressure force 88000 lb / ft and 457.3 lb / ft

      Operation

      Operating voltage 24 V and 24 V

      Motor

      Aspiration Turbocharging with subsequent air cooling (by a cooling radiator) and Turbocharged engine with intermediate cooling of charging air by oncoming air flow
      Manufacturer Komatsu and Hitachi
      Model SAA6D170E-3 and S12A2-Y1TAA1

      Loading bucket

      Handle pressure force 137000 lb / ft and 523.7 lb / ft
      Loading bucket 6.5 meter (cubic) bottom-dump bucket and standard
      Maximum cut height 12330 mm and 14610 mm

      Carrier

      Rear platform swing radius 4870 mm and 6010 mm
      Upper rollers number 3 and 3
      Lower rollers number 8 and 8
      Backhoe shovel support width 1 700 mm and 800 mm

      Images

      Sizes

      2. Width between caterpillar tracks 4600 mm 2. Width between caterpillar tracks 5400 mm
      4. Caterpillar track length on ground level 4995 mm 4. Caterpillar track length on ground level 5780 mm
      5. Clearance 990 mm 5. Clearance 795 mm
      7. Height to cab upper part 4120 mm 7. Height to cab upper part 6820 mm

      Loading bucket

      17. Maximum cut height 12330 mm 17. Maximum cut height 14610 mm
      18. Maximum unloading height 8700 mm 18. Maximum unloading height 10440 mm
      19. Maximum digging radius 11400 mm 19. Maximum digging radius 13430 mm
      20. Maximum excavation depth 3650 mm 20. Maximum excavation depth 5920 mm

      Carrier

      14. Bucket loader support width 700 mm 14. Bucket loader support width 800 mm