vs.

      Caterpillar 311D LRR vs. Komatsu PC1250-7

      5 reasons to buy Caterpillar 311D LRR:

      Swing device

      Rotation speed 11.4 rev / min and 5.5 rev / min 52 % more or 5.9 rev

      Operation

      Hydraulic system overflow valve pressure 35000 kPa and 34323.2 kPa 2 % more or 676.8 kPa
      Hydraulic pump flow rate 117 l/min and 988 l/min 88 % less or 871 l/min

      Carrier

      Specific ground pressure 34.2 kPa and 137.3 kPa 75 % less or 103.1 kPa
      Maximum travel speed 5.1 km/h and 3.2 km/h 37 % more or 1.9 km/h

      22 reasons to buy Komatsu PC1250-7:

      Sizes

      Width to outside of caterpillar track 4600 mm and 2590 mm 44 % more or 2010 mm
      Clearance 990 mm and 455 mm 54 % more or 535 mm
      Counterweight ground clearance 1790 mm and 910 mm 49 % more or 880 mm

      Operation

      Fuel Capacity 1360 l. and 210 l. 85 % more or 1150 l.
      Cooling system fluid volume 140 l. and 18 l. 87 % more or 122 l.
      Hydraulic system fluid volume 670 l. and 145 l. 78 % more or 525 l.
      Engine oil volume 56 l. and 19 l. 66 % more or 37 l.
      Boom reach drive mechanism fluid volume 24 l. and 3 l. 87 % more or 21 l.

      Motor

      Full power 485.5 kW and 64.1 kW 87 % more or 421.4 kW
      Displacement 23.2 l. and 4.3 l. 81 % more or 18.9 l.

      Booms/sections features 3

      Maximum excavation depth 11590 mm and 5590 mm 52 % more or 6000 mm
      Maximum radius along ground level 17130 mm and 8100 mm 53 % more or 9030 mm
      Maximum loading height 9440 mm and 5770 mm 39 % more or 3670 mm
      Maximum vertical wall digging depth 9480 mm and 4980 mm 47 % more or 4500 mm

      Booms/sections features 2

      Maximum loading height 9000 mm and 5640 mm 37 % more or 3360 mm
      Maximum excavation depth 10440 mm and 5390 mm 48 % more or 5050 mm
      Maximum vertical wall digging depth 8490 mm and 4770 mm 44 % more or 3720 mm
      Maximum radius along ground level 16000 mm and 7900 mm 51 % more or 8100 mm

      Booms/sections features 1

      Maximum radius along ground level 15000 mm and 7700 mm 49 % more or 7300 mm
      Maximum loading height 8680 mm and 5450 mm 37 % more or 3230 mm
      Maximum vertical wall digging depth 7610 mm and 4460 mm 41 % more or 3150 mm
      Maximum excavation depth 9350 mm and 5040 mm 46 % more or 4310 mm

      Neutral reasons:

      Sizes

      Rear platform swing radius 1750 mm and 4870 mm
      Caterpillar track length on ground level 2780 mm and 4995 mm
      Height to cab upper part 2755 mm and 3925 mm

      Operation

      Working weight 12480 kg and 106700 kg

      Motor

      Manufacturer Caterpillar and Komatsu
      Model C4.2 ACERT and SAA6D170E-3

      Carrier

      Shoe dimensions 600 mm and 700 mm
      Track width 1990 mm and 3900 mm

      Booms/sections features 3

      Unit load-transfer height 3160 mm and 6990 mm
      Unit load-transfer length 6825 mm and 15840 mm
      Maximum cut height 8130 mm and 13910 mm

      Booms/sections features 2

      Maximum cut height 7990 mm and 13490 mm
      Unit load-transfer length 6880 mm and 16050 mm
      Unit load-transfer height 3020 mm and 6460 mm

      Booms/sections features 1

      Maximum cut height 7800 mm and 13400 mm
      Unit load-transfer height 2860 mm and 6040 mm
      Unit load-transfer length 6915 mm and 16020 mm

      Images

      Sizes

      7. Height to cab upper part 2755 mm 7. Height to cab upper part 3925 mm
      8. Rear platform swing radius 1750 mm 8. Rear platform swing radius 4870 mm
      15. Counterweight ground clearance 910 mm 15. Counterweight ground clearance 1790 mm
      2. Width to outside of caterpillar track 2590 mm 2. Width to outside of caterpillar track 4600 mm
      4. Caterpillar track length on ground level 2780 mm 4. Caterpillar track length on ground level 4995 mm
      5. Clearance 455 mm 5. Clearance 990 mm

      Carrier

      6. Track width 1990 mm 6. Track width 3900 mm
      14. Shoe dimensions 600 mm 14. Shoe dimensions 700 mm

      Booms/sections features 1

      1. Unit load-transfer length 6825 mm 1. Unit load-transfer length 15840 mm
      3. Unit load-transfer height 3160 mm 3. Unit load-transfer height 6990 mm
      9. Maximum cut height 8130 mm 9. Maximum cut height 13910 mm
      10. Maximum loading height 5770 mm 10. Maximum loading height 9440 mm
      11. Maximum radius along ground level 8100 mm 11. Maximum radius along ground level 17130 mm
      12. Maximum vertical wall digging depth 4980 mm 12. Maximum vertical wall digging depth 9480 mm
      13. Maximum excavation depth 5590 mm 13. Maximum excavation depth 11590 mm