| 摘要 |
PROBLEM TO BE SOLVED: To easily maintain an equal speed and speed increase switch mechanism. SOLUTION: A transmission part is provided with a first case and a second case. A PTO speed change mechanism for changing speed of a PTO shaft and a front/rear wheel speed change mechanism for changing speed of front/rear wheels are provided in the first case, and the equal speed and speed increase switch mechanism for accelerating the front wheels is provided in the second case. The second case is detachably attached to the first case, and the equal speed and speed increase switch mechanism in the second case is detachably interlockingly connected to the front wheel speed change mechanism. COPYRIGHT: (C)2005,JPO&NCIPI
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