R922 Excavator

Liebherr's Dual Circuit Positive Control hydraulic system saves energy by reducing pressure losses

Advantages to a conventional tailswing excavator over a reduced tailswing model can include added lifting capacity and bucket and arm breakout force.
Advantages to a conventional tailswing excavator over a reduced tailswing model can include added lifting capacity and bucket and arm breakout force.
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Liebherr's 22-metric-ton R922 excavator replaces its R906. Its Liebherr diesel engine with oxidating catalytic converter has a rated output of 143 hp. Liebherr says its Dual Circuit Positive Control hydraulic system saves energy by reducing pressure losses.

  • Likufix tool quick-coupling system
  • Liebherr’s proprietary, patented bucket-tooth system
  • Ground-level maintenance points 
  • Liebherr central lubricating system is standard
  • LIDAT data transmission system facilitates maintenance planning and fleet management 
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