SLEWING OPERATION DEVICE FOR WORKING VEHICLE HAVING HST DEVICE

摘要

PROBLEM TO BE SOLVED: To make the operation feeling of a steering wheel excellent by adding a proper operation load on the steering wheel during slewing operation of a machine body by the steering wheel, in a working vehicle provided at running parts on both sides an HST devices to perform gear shifting operation by a gear shifting lever. SOLUTION: A control mechanism for an HST device is provided with a ring gear 29 rotated by operation of a steering handle 9. The HST device situated inside slewing is decelerated in linkage with rotation of the ring gear 29 and a machine body is slewed and an elastic machine 38 applying a slewing operation load on the steering handle 9 is located between the ring gears 29.