Effer uses gear motors with various reduction stages. The operator can thereby adjust the crane rotation speed, and check the movement of the load on the hook
A rack and pinion steering apparatus for a heavy-duty vehicle includes a housing, a gear rack slidably coupled to the housing and including a plurality of
In this new drive concept, the top and bottom of the mast is positively driven by a cardan shaft via a gear wheel and gear rack. This provides double the
