To provide a tilling work vehicle capable of suppressing generation of a difference in a tillage state of a field.SOLUTION: A tilling work vehicle (1) in one embodiment includes a traveling vehicle body (10) capable of connecting a tilling implement, a control part (100) for allowing the traveling vehicle body (10) to travel automatically along a travel schedule route, and a detection part (290) for detecting a traveling state of the traveling vehicle body (10) to the travel schedule route, in which, when the traveling vehicle body (10) is deviated from the travel schedule route, the control part (100) decelerates the traveling vehicle body (10) at the automatically traveling time.SELECTED DRAWING: Figure 4
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