STEERING MECHANISM OF WORKING VEHICLE

PROBLEM TO BE SOLVED: To provide a steering mechanism of working vehicle capable of performing a smooth steering work and preventing an erroneous operation of a steering switch by carrying out a steering running operation through an operation of the steering switch arranged at a steering wheel only under a working running mode. SOLUTION: There is provided a steering mechanism for a working vehicle for steering front wheels 2 through a power steering unit 11 by a turning operation of a steering wheel 6, wherein the steering mechanism is provided with a mode changing-over means 32 for changing-over a working running and an on-road running. The power steering unit 11 is operated through an operation of a steering operation switch 16 arranged at the steering wheel 6 when the working is carried out to steer the front wheels 2 on the basis of a changing-over operation of the mode changing-over means 32 and additionally at the time of on-road running operation, and the power steering unit 11 is operated exclusively through a turning operation of the steering wheel 6 to steer the front wheels 2. COPYRIGHT: (C)2009,JPO&INPIT