The invention relates to a cleaning apparatus (10) for cleaning field crops, such as potatoes or turnips, on which in particular soil and the like adhere. The cleaning apparatus (10) comprises a charging and/or supply hopper (12) with an opening (13) on its underside (14), from which the field crops pass for cleaning. It further comprises a housing (24) with a cleaning region (20) in which the field crops are cleaned. The field crops are cleaned in particular in a screen drum (26) which rotates about an axis of rotation, wherein the screen drum (26) is arranged in the cleaning region (20).
