| 摘要 |
PROBLEM TO BE SOLVED: To lock the actuation of the right and left traveling portions of a working travel vehicle by means of a single parking brake mechanism and to enhance the translation property of the vehicle in which one travel motive power transmission path for the right traveling portion and the other travel motive power transmission path for the left traveling portion are independent of each other. SOLUTION: In a combine, the travel power transmission path 5R for the right traveling portion 6R and the travel power transmission path 5L for the left traveling portion 6L are independent of each other. A clutch shaft 40 is provided for connecting and disconnecting the right and left travel power transmission paths 5R and 5L to and from each other, and the parking brake mechanism 44 is provided on the clutch shaft 40.
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