PROBLEM TO BE SOLVED: To provide a root crop harvesting machine in which foreign material never gets caught in a drive mechanism of a sorting conveyor even if the foreign material falls from the sorting conveyor.SOLUTION: A root crop harvesting machine includes: a draw and transport device 24 provided on one of the left and right sides of the machine body, which draws crops from a farm field and transports the crops to a rear upside a remaining foliage processing device 76 which removes the foliage remaining on the crops passed on from the draw and transport device 24 a sort and transport device 87 which takes over the crops from the remaining foliage processing device 76 and transports the crops to the other of the left and right sides of the machine body a driving rotation body 134 provided on a transport starting end side of the sort and transport device 87 a recovery and transport device 160 provided forwarder of the machine body than the remaining foliage processing device 76 and on the transport starting end side of the sort and transport device 87, which receives crops falling during transport by the draw and transport device 24 and transports the crops to the sort and transport device 87 and a protection member 146 provided from a transport starting end side of the recovery and transport device 160 to above the driving rotation body 134.
