vs.

      Liebherr A311 vs. Liebherr A900C

      2 reasons to buy Liebherr A311:

      Operation

      Hydraulic pump flow rate 220 l/min and 270 l/min 19 % less or 50 l/min

      Motor

      Power measured at 2000 rev / min and 1800 rev / min 10 % more or 200 rev

      7 reasons to buy Liebherr A900C:

      Swing device

      Swing torque 42 Nm and 30 Nm 29 % more or 12 Nm

      Operation

      Fuel Capacity 300 l. and 215 l. 28 % more or 85 l.

      Motor

      Effective power 89.5 kW and 67.9 kW 24 % more or 21.6 kW
      Displacement 6.6 l. and 4 l. 39 % more or 2.6 l.

      Boom/section options 1

      Maximum excavation depth 5500 mm and 4100 mm 25 % more or 1400 mm
      Maximum radius along ground level 9000 mm and 8400 mm 7 % more or 600 mm
      Maximum loading height 7400 mm and 6750 mm 9 % more or 650 mm

      Neutral reasons:

      Swing device

      Rotation speed 9 rev / min and 9 rev / min

      Operation

      Hydraulic system overflow valve pressure 35000 kPa and 35000 kPa
      Working weight 11600 kg and 17800 kg
      Type of hydraulic pump Variable Displacement Axial Cam Pump and Variable Displacement Axial Cam Pump
      Operating voltage 24 V and 24 V
      Generator current strength 55 amperes and 55 amperes
      Tyre size 9.00-20 and 10.00-20

      Motor

      Manufacturer Deutz and Liebherr
      Model BF4M2012 and D 924 TI-E
      Cylinders number 4 and 4
      Aspiration Direct injection with turbocharging and turbocharging and subsequent cooling, reduced amount of emissions

      Gear box

      Transmission type Oversized 2-speed gearbox with shift under full load and integrated protection with an extra low gear and oversized 2-speed gearbox with shift under full load with an extra low gear
      Maximum travel speed 20 km/h and 20 km/h

      Boom/section options 1

      Maximum cut height 6650 mm and 10200 mm
      Option - Boom/Section (MEX) 1 Hydraulic adjustable boom 2350mm / Section 2050mm and 3.6 m boom / 2.25 m Section
      Unit load-transfer length 8700 mm and 8750 mm

      Images

      Boom/section options 1

      11. Maximum radius along ground level 8400 mm 11. Maximum radius along ground level 9000 mm
      13. Maximum excavation depth 4100 mm 13. Maximum excavation depth 5500 mm
      1. Unit load-transfer length 8700 mm 1. Unit load-transfer length 8750 mm
      9. Maximum cut height 6650 mm 9. Maximum cut height 10350 mm
      10. Maximum loading height 6750 mm 10. Maximum loading height 7550 mm