Mower, having at least one cutter bar (1), wherein the or each cutter bar (1) a plurality of formed on a as Mähbalkendeckel (3) support member mounted mowing units (2), whereby each mowing means (2) a cutting disc (6) and at least one knife (8), which directly or via a knife carrier (7) is arranged on the mowing plate (6). At the mowing plate (6) of the respective Mähorgans (2) are facing a number of the Mähbalkendeckel (3) clearing devices (12, 13, 14, 15), wherein at least one first discharger (12) has a smaller distance from the Mähbalkendeckel (3) as at least one second discharger (13, 14, 15).