| 摘要 |
PROBLEM TO BE SOLVED: To provide a body frame structure of a working vehicle for constituting a protective frame of required strength by using a lightweight frame material, reducing the weight of an entire vehicle body, storing the detached protective frame in a less bulky manner during transportation or the like, and effectively reducing a transportation cost. SOLUTION: A vehicle body frame is constituted by connecting a front frame 8, a drive section frame 9, a seat supporting frame 10, an engine mounting frame 11, and a transmission supporting frame 12 to a pair of right and left main frames 7, a pair of right and left front masts 13 and a pair of right and left rear masts 14 are erected at front right and left positions and rear right and left positions of the drive section frame 9, and a four-pillar type protective frame 5 surrounding a drive section 4 is connected to upper ends of the front masts 13 and the rear masts 14. COPYRIGHT: (C)2004,JPO
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