| 摘要 |
PROBLEM TO BE SOLVED: To provide a transmission for a working vehicle easily performing a steering operation by a single operation part. SOLUTION: The transmission 12 variably outputting a driving force from an engine and a turning change gear 13 are synchronized with each other via a transmission interlocking mechanism by means of an operation of a transmission lever 6, and in steering, a transmission system 23 transmitting an output from the transmission 12 to a driving wheel 11 engages/disengages either of left or right side clutch 21 according to an operation of the steering operation part 8. When either one of the left or right side clutch 21 is disengaged, a turning transmission system 33 transmitting an output from the turning change gear 13 to a driving wheel disengages a turning clutch 20 on the other side. In the way, operations of the side clutch 21 and the turning clutch 20 by the steering operation part 8 are liked with the operation of the turning change gear 13 by means of a steering interlocking mechanism, and consequently, a speed of the driving wheel 11 driven by means of the turning transmission system 33 is lowered than that of the driving wheel 11 driven by means of the transmission system 23.
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