PROBLEM TO BE SOLVED: To provide a work vehicle for improving automatic turning performance. A work vehicle according to an aspect of an embodiment is provided with a traveling vehicle body, a planting portion attached to the rear of the traveling vehicle body, and a traveling mark for planting in the next process by the planting portion in a field. A control unit that controls the line drawing marker, the rudder angle adjustment unit that adjusts the rudder angle of the traveling vehicle body, and the rudder angle adjustment unit, and that performs automatic turning control that automatically turns the traveling vehicle body in the direction in which the line drawing marker appears. With. [Selection diagram] Fig. 3【課題】自動旋回性を向上させる作業車両を提供すること。【解決手段】実施形態の一態様に係る作業車両は、走行車体と、走行車体の後方に取り付けられた植付部と、植付部によって次工程で植え付けを行うための走行目印を圃場に付ける線引きマーカと、走行車体の舵角を調整する舵角調整部と、舵角調整部を制御し、線引きマーカが出ていた方向へ走行車体を自動的に旋回させる自動旋回制御を実行する制御部とを備える。【選択図】図3