vs.

      Liebherr A309 vs. Liebherr A312

      2 reasons to buy Liebherr A309:

      Operation

      Hydraulic pump flow rate 220 l/min and 230 l/min 4 % less or 10 l/min

      Boom/section options 1

      Maximum radius along ground level 8400 mm and 8250 mm 2 % more or 150 mm

      7 reasons to buy Liebherr A312:

      Swing device

      Swing torque 34 Nm and 30 Nm 12 % more or 4 Nm

      Operation

      Hydraulic system fluid volume 320 l. and 250 l. 22 % more or 70 l.

      Motor

      Effective power 76.1 kW and 64.1 kW 16 % more or 12.0 kW
      Power measured at 18000 rev / min and 2000 rev / min 89 % more or 16000 rev
      Displacement 4.8 l. and 4 l. 17 % more or 0.8 l.

      Boom/section options 1

      Maximum excavation depth 5000 mm and 4100 mm 18 % more or 900 mm
      Maximum loading height 6700 mm and 6650 mm 1 % more or 50 mm

      Neutral reasons:

      Swing device

      Rotation speed 9 rev / min and 9 rev / min

      Operation

      Type of hydraulic pump Variable Displacement Axial Cam Pump and Variable Displacement Axial Cam Pump
      Fuel Capacity 215 l. and 215 l.
      Working weight 10600 kg and 13800 kg
      Operating voltage 24 V and 24 V
      Generator current strength 55 amperes and 55 amperes
      Hydraulic system overflow valve pressure 35000 kPa and 35000 kPa

      Motor

      Model BF4M2012 and BF4M1013E
      Manufacturer Deutz and Deutz
      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 8650 mm and 8100 mm
      Maximum cut height 8800 mm and 9550 mm
      Option - Boom/Section (MEX) 1 Hydraulic adjustable boom 2350mm / Section 1850mm and Hydraulic adjustable boom 3200mm Section 2050mm

      Images

      Boom/section options 1

      13. Maximum excavation depth 4100 mm 13. Maximum excavation depth 4650 mm
      1. Unit load-transfer length 8650 mm 1. Unit load-transfer length 8300 mm
      9. Maximum cut height 8800 mm 9. Maximum cut height 8300 mm
      10. Maximum loading height 6650 mm 10. Maximum loading height 5500 mm
      11. Maximum radius along ground level 8400 mm 11. Maximum radius along ground level 8000 mm