Wirtgen Gmbh

Stefan Scheer

Axel Mahlberg

Sebastian Bötzius

Björn Buchholz

An earth working machine (), in particular a road milling machine, a stabilizer, or the like, having a milling drum () that is mounted rotatably on a machine frame () and is populated or populatable on its outer circumference with working tools (); the working tools () to come into contact, during working operation, with the ground that is to be worked to remove it; a drive unit () drives the milling drum () by means of a drive motor (); an input drive shaft () couplable to the drive motor () is attached to the milling drum (); and a ballast element, constituting a kinetic mass (), increases the kinetic energy of the milling drum (). The kinetic mass () is couplable to or decouplable from the rotatable milling drum (), or a rotational member indirectly or directly coupled to the milling drum (), via a shiftable coupling ().

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Asbach / Hussen, Germany

Stefan Scheer