vs.

      Liebherr A311 vs. Liebherr A309

      2 reasons to buy Liebherr A311:

      Motor

      Effective power 67.9 kW and 64.1 kW 6 % more or 3.8 kW

      Boom/section options 1

      Maximum loading height 6750 mm and 6650 mm 1 % more or 100 mm

      Neutral reasons:

      Swing device

      Rotation speed 9 rev / min and 9 rev / min
      Swing torque 30 Nm and 30 Nm

      Operation

      Fuel Capacity 215 l. and 215 l.
      Working weight 11600 kg and 10600 kg
      Operating voltage 24 V and 24 V
      Hydraulic pump flow rate 220 l/min and 220 l/min
      Generator current strength 55 amperes and 55 amperes
      Tyre size 9.00-20 and 9.00-20
      Hydraulic system overflow valve pressure 35000 kPa and 35000 kPa
      Type of hydraulic pump Variable Displacement Axial Cam Pump and Variable Displacement Axial Cam Pump

      Motor

      Manufacturer Deutz and Deutz
      Power measured at 2000 rev / min and 2000 rev / min
      Model BF4M2012 and BF4M2012
      Displacement 4 l. and 4 l.
      Cylinders number 4 and 4
      Aspiration Direct injection with turbocharging and Direct injection with turbocharging

      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 and integrated protection with an extra low gear
      Maximum travel speed 20 km/h and 20 km/h

      Boom/section options 1

      Unit load-transfer length 8700 mm and 8650 mm
      Maximum excavation depth 4100 mm and 4100 mm
      Maximum radius along ground level 8400 mm and 8400 mm
      Maximum cut height 6650 mm and 8800 mm
      Option - Boom/Section (MEX) 1 Hydraulic adjustable boom 2350mm / Section 2050mm and Hydraulic adjustable boom 2350mm / Section 1850mm

      Images

      Boom/section options 1

      1. Unit load-transfer length 8700 mm 1. Unit load-transfer length 8650 mm
      9. Maximum cut height 6650 mm 9. Maximum cut height 8800 mm
      10. Maximum loading height 6750 mm 10. Maximum loading height 6650 mm
      11. Maximum radius along ground level 8400 mm 11. Maximum radius along ground level 8400 mm
      13. Maximum excavation depth 4100 mm 13. Maximum excavation depth 4100 mm