Abstract: A separating device for reapers with cutter plates driven to rotate about vertical axes having a fender which is inclined downward to divert reaping material. The fender is arranged to be fastened to the reaper at a point below the cuting plane of the cutter and rearwardly of the vertical plane defined by the axes of the cutter plates, and inside of the cutting track defined by the outermost cutting plate. The fender is inclined upwardly from the fastening point and passes through the cutting plane of the cutter plates behind the vertical plane of the cutter axes, and within the cutting track defined by the outermost cutter plate.