Drive shafts (44) of a tilling machine project from a machine body (42) leftward and rightward in a machine body width direction, rotation shafts (31, 36) of rotors (25, 26) being detachably attachable to the drive shafts. The tilling machine also includes: a support member (51) provided on a rear portion of the machine body under a handle column (17) extending rearwardly from the machine body, and extending in the width direction; and a pair of left and right stud sections (52, 53) extending from left and right end portions of the support member rearwardly of the machine body along the handle column, the rotation shafts of the rotors being fittable over the left and right stud sections.