Liebherr has many decades of experience in developing, designing and manufacturing engines, hydraulic pumps, hydraulic cylinders and splitter boxes. Slewing and travel gear elements, large diameter bearings, rope winches, electronic components, electric motors and switchgear cabinets are also manufactured in-house. Competence centres for the development and manufacture of these components are run by Liebherr in Bulle (engines, hydraulics and drive technology), Biberach (roller slewing connections and drive technology), Kirchdorf (hydraulics) and Lindau (electronics).