| 摘要 |
PROBLEM TO BE SOLVED: To securely hold a top link at a retraction position where it is oscillated upward and simply store a top link holder at a position where it does not protrude backward and greatly from a tractor vehicle body when the top link is not held at the retraction position even when the top link holder is provided at a position closer to a front end basic part of the top link. SOLUTION: In a tractor in which the top link 9 is pivotally fixed to a rear part of the tractor vehicle body 2 so as to oscillate vertically and freely, the top link holder 25 engaging the top link 9 from a lower side so as to engage and disengage freely is provided so as to oscillate vertically and freely in order to regulate downward oscillation of the top link 9, and a locking body 39 locking the top link holder 25 in an upward oscillation position so as to engage and disengage freely is provided to hold the top link 9 at the retraction position where it is oscillated upward.
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