To eliminate necessity of operation for applying a brake 17, eliminate a trouble like forgetting to apply a parking brake, and eliminate a trouble like pressing an operator by a steering handle.

This self-propelled vehicle is characterized by tilting a steering handle 25 brought down to perform running movement with a running wheel 4 and a running motor 16 into a unit constitution to make the steering handle 25 stand in the upward side capable of tilting to fall.