a cutting unit for a harvester includes a tr u00e4gerrahmen (5), at least one of the tr u00e4gerrahmen (5) verschiebbares knife, a einzugwalze (10) to foster the knife cut crop and a drive transfer gearbox (14) for distributing torque of a drive shaft (13) a on the einzugwalze (10) and the blade (8).the einzugwalze (10) on a untersetzendes gears (33) to the drive transfer gearbox (14) coupled.