The present invention relates to a device (1) for processing harvested crops, such as leeks (49), at processing stations (15), said device comprising a number of processing stations, a first conveyor (6,7) to be driven by first drive means for transporting crops to be processed at said processing stations past said processing stations at a first vertical level, and control means for controlling said first drive means, wherein the device further comprises a second conveyor (6,7) to be driven by second drive means for transporting other crops to be processed at the processing stations past said processing stations at a second vertical level different from said first vertical level, whilst the control means are also arranged for controlling the second drive means.