| 摘要 |
PROBLEM TO BE SOLVED: To provide an operation cabin capable of improving the cabin frame fitting workability and improving the sealing performance in relation to a side door. SOLUTION: A right and a left side frames 21 are connected to each other by cross frames 22, 23, 24 at plural positions thereof so as to form a cabin frame 10. A front glass 11 is installed in a front surface of the cabin frame 10 so as to form a front window FW, and a top plate 12 is installed in an upper surface of the cabin frame 10 so as to form a ceiling R. In an operation cabin for tractor with this structure, a front support of the side frame 21 and an upper frame continued to this upper end are formed of an integrated frame 25 formed by bending one hollow frame material, and outside of this hollow main frame 25 is formed with a recessed step part 41 for receiving a front edge and an upper edge of a side door SD and a recessed step part 42 for receiving a side edge of the front glass 11 and a front edge of the top plate 12.
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