| 摘要 |
PROBLEM TO BE SOLVED: To make an effective use of a space by storing hoses and pipes in a main frame. SOLUTION: A crawler type tractor has a traveling frame which is provided between a pair of right and left crawler traveling devices to support a machine body, right and left main frames 16, 16 extending in the longitudinal direction of the machine body are arranged on the traveling frame, and the crawler traveling device is driven by a hydraulic motor by the power of an engine through a hydraulic pump. The right and left main frames 16, 16 are formed in approximately U-shaped section, hoses 59 and pipes 51 are stored inside, and opening sides 30 of the right and left main frames 16, 16 are arranged opposite to each other. In addition, the opening sides 30 of the main frames 16 are covered by a reinforcement plate 32, and prevent the hoses 59 and pipes 51 from projecting sidewise while increasing the rigidity of the main frames 16 themselves.
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