| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a riding type mobile agricultural machine capable of easily adjusting a tread. Ž<P>SOLUTION: A front wheel 2 and a rear wheel are mounted to a lower part of a wheel support member 58 hung from a front axle case 56 and a rear axle case integrally mounted to a machine body, and a length M of the wheel support member 58 is made longer than a radius L of the front wheel 2 or the rear wheel. Also, the front wheel 2 and the rear wheel are constituted separate from an axle 61. The axle 61 is selectively projected inward or outward of the machine body across the wheel support member 58 corresponding to a size of a ridge in a field, and the wheel is mounted to a projecting end, so as to easily adjust treads S, T of the machine body. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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