The machine (1) has a mowing device (3) pivotally supported at a free end of a single- or multi part support arm (4) and located in a transport position. A supporting device (5) comprises three supporting feet (6-8). A right end region of a support unit (2) is attached to one of the supporting feet with respect to driving and working directions (F). A contact surface (9) is transferable and lockable from an inoperative position that is guided closely to a body of the support unit into an operational position distant from the body of the support unit.
