PROBLEM TO BE SOLVED: To prevent mud adhesion to a transmission case and perform harvest work favorably.SOLUTION: The root vegetable harvester includes: a pull-out device 18 pulling out a root vegetable from a farm field following travel of a machine body and conveying the root vegetable to a rear side of the machine body; a leaf cut device 31 including plural rotary bodies and separating a leaf part of the root vegetable conveyed to the rear side by the pull-out device 18; and a leaf cut transmission case 33 internally mounting a transmission mechanism branching and transmitting power transmitted from an engine to the plural rotary bodies of the leaf cut device 31 and arranged in an upper side than the leaf cut device 31.SELECTED DRAWING: Figure 1