A work vehicle (1) that performs an operation while traveling autonomously includes: a base frame (21) configured to support a wheel (2)； a unit frame (22) configured to support an operation unit (53) that performs the operation； a link frame (23) capable of changing a relative height of the unit frame (22) with respect to the base frame (21), the link frame spanning between the base frame (21) and the unit frame (22)； and a setting unit (24) configured to set an operating height of the operation unit (53) with respect to a working surface of a working field in which the operation is performed, in accordance with operation information indicating an operation target to be subjected to the operation.
