| 摘要 |
PURPOSE:To provide a self-traveling working vehicle, the rear wheel of which can be steered by a front wheel steering operator during running in such a state that a turntable is turned by 180 deg.C. CONSTITUTION:An oil pressure pipe passage switching device 28 is provided to switch an oil pressure pipe passage so that oil pressure can be supplied from a front wheel steering oil pressure control unit 12 to rear wheel steering hydraulic cylinders 18R, 18L instead of front wheel steering hydraulic cylinders 15R, 15L. |
