DAT 350 Slewing drive

With its slewing drives, Liebherr offers its customers a series-produced product range that covers many different application areas. Available are eight gearbox sizes from the DAT 200 to the DAT 600. The coaxial planetary gearboxes are available as three-stage or four-stage units with a multitude of different gear ratios ranging from i=20 to i=1,500. The maximum dynamic torque is 142,000Nm.
Reference output torque, dynamic 30,000 Nm
Output torque Tmax 60,000 Nm

Reference output torque, dynamic 30,000 Nm
Output torque Tmax 60,000 Nm
Gear transmission ratio (three-stage model) 1:35 - 1:250
Areas of application Industry
Diameter of centering seat 325 mm
External diameter 400 mm
Pitch circle diameter 362 mm
Housing diameter 315 mm
Number of bolts 24
Diameter of bolts 22.0 mm
Installation depth 230 mm
Installation dimension 100 mm
Height of centering seat 43 mm
Gearbox height 430 mm
Flange height 84 mm
Number of teeth (output pinion) 12
Gear module of output pinion 18
Height of output pinion 125 mm
Weight (three-stage model) 312 kg

Slewing bearings

For over 70 years Liebherr has been manufacturing top-quality large diameter slewing bearings. Depending on requirements, various dimensions are available. Product portfolio Large diameter bearings


Please contact us – we will answer your questions and put together an individual offer for you. If you need a component as a spare part for your Liebherr machine, please contact your local service partner.


In the download area you find an overview of all brochures and datasheets for the various Liebherr components. Downloads

Swivelling drives

Liebherr develops special swivelling drives for applications which are exposed to high dynamic loading during the rotating movement (e.g. excavator). Swivelling drives