vs.

      Komatsu PC1250LC-8 vs. Liebherr R974B

      13 reasons to buy Komatsu PC1250LC-8:

      Tracked undercarriage

      Rolling bearings number on either side 10 and 9 10 % more or 1
      Track shoes number per side 55 and 2 96 % more or 53

      Operation

      Generator current strength 90 amperes and 80 amperes 11 % more or 10 amperes
      Fuel Capacity 1360 l. and 1280 l. 6 % more or 80 l.

      Motor

      Effective power 501.1 kW and 365.4 kW 27 % more or 135.7 kW
      Displacement 23.2 l. and 17.2 l. 26 % more or 6.0 l.

      Gear box

      Maximum speed 3.2 km/h and 2.8 km/h 12 % more or 0.4 km/h

      Boom features 2

      Maximum radius along ground level 21300 mm and 2400 mm 89 % more or 18900 mm
      Maximum height 23200 mm and 2500 mm 89 % more or 20700 mm
      Maximum depth 8991.6 mm and 2600 mm 71 % more or 6391.6 mm

      Boom features 1

      Maximum height 18500 mm and 2200 mm 88 % more or 16300 mm
      Maximum depth 6705.6 mm and 2200 mm 67 % more or 4505.6 mm
      Maximum radius along ground level 14935.2 mm and 2100 mm 86 % more or 12835.2 mm

      4 reasons to buy Liebherr R974B:

      Operation

      Hydraulic system fluid volume 1200 l. and 670 l. 44 % more or 530 l.
      Operational weight without attachment 91500 kg and 126626 kg 28 % less or 35126 kg

      Motor

      Cylinders number 8 and 6 25 % more or 2

      Hydraulic system

      Pump bandwidth 992 l/min and 988 l/min 0 % more or 4 l/min

      Neutral reasons:

      Tracked undercarriage

      Caterpillar track length on ground level 5970 mm and 5192 mm
      Shoe dimensions 1000 mm and 600 mm

      Swing device

      Rotation speed 5.5 rev / min and 5.5 rev / min

      Operation

      Operating voltage 24 V and 24 V

      Motor

      Manufacturer Komatsu and Liebherr
      Model SAA6D170E-5 and D9408 TI-E
      Power measured at 1800 rev / min and 1800 rev / min
      Aspiration Turbocharging with subsequent air cooling (by a cooling radiator) and Direct injection with turbocharging

      Hydraulic system

      Discharge pressure 34335.9 kPa and 32000 kPa
      Type of pump variable displacement piston pump and Axial cam pump with variable flow

      Boom features 2

      Option - Boom/Section (MAT) 2 2-piece front 21.3 m 70' and gooseneck boom (curved) 1400mm Section 10500mm

      Boom features 1

      Option - Boom/Section (MAT) 1 2-piece front 16.8 m 55' and gooseneck boom (curved) 12000mm Section 9000mm

      Images

      Boom features 1

      9. Maximum height 23200 mm 9. Maximum height 2500 mm
      10. Maximum radius along ground level 21300 mm 10. Maximum radius along ground level 2400 mm
      11. Maximum depth 8991.6 mm 11. Maximum depth 2600 mm