| 摘要 |
PROBLEM TO BE SOLVED: To rationally supply hydraulic fluid to the hydraulic actuator of a vehicle body in a working vehicle having an integral type steering mechanism. SOLUTION: A pump port PP for supplying hydraulic fluid from a hydraulic pump P to a double acting hydraulic cylinder constituting a steering mechanism S, and a drain port DP for draining return oil from the hydraulic cylinder in operating the steering mechanism S, are formed and other than the drain port DP, a takeoff port TO is formed for taking off the hydraulic oil from the hydraulic pump P at the neutral position of a control valve C which controls the hydraulic cylinder of the steering mechanism S. |
