The support unit (2) has vertical axis rotating cutting elements for guiding three point lifting device of agricultural carrier vehicle at drive locations (6). An extending support arm (3) is articulated at support unit in work and operational position transverse to driving and working direction (F). The position of mowing element (4) supported on support arm is changed from lateral work and operational position into vertical transport position by carrier vehicle. The starting position of support unit associated with drive locations is adjusted against driving and working direction.
