The Liebherr LB 20 is designed as a large rotary drilling machine. All conventional drilling methods can be used. These include kelly drilling, continuous flight auger drilling, drilling with partial or full displacement tools, double rotary drilling and soil mixing.
|Operating weight||152,118 lbs|
|Max. torque||169,639 lbf-ft|
|Max. push / pull force||67,442 lbf|
|Engine output||270 kW|
|Max. drilling depth||151.9 ft|
|Max. drilling diameter||4.9 ft|