| 摘要 |
PROBLEM TO BE SOLVED: To improve operationability of the front lift wheel of a walking type farm machine. SOLUTION: An interlock mechanism for regulating lifting is installed between an operation lever for operating traveling speed change and rotary speed change and the front lift wheel, while a support height of the front lift wheel to the machine body is brought to be the lowest height in communicating with the traveling speed change operation of forward and backward travelling when the operating position of the operation lever is in the traveling position, and the support height of the front lift wheel to the machine body is brought to be higher than the lowest position when the operation position of the operation lever is operated to a tilling position. COPYRIGHT: (C)2006,JPO&NCIPI
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