| 摘要 |
PROBLEM TO BE SOLVED: To improve the maintenance property of a hydraulic clutch control valve. SOLUTION: The tractor T comprises a clutch housing 9 provided below a steering column 49, a main clutch mechanism 2 provided in the clutch housing 9, hydraulic clutch type transmissions C1, C2 provided on a transmission downstream side of the main clutch mechanism 2, and a plurality of first main transmission hydraulic clutch control valves 41 to 44 actuating the hydraulic clutch type transmission mechanisms C1, C2 to carry out transmission. The hydraulic clutch type transmission mechanisms C1, C2 are provided in the clutch housing 9. The plurality of the first main transmission hydraulic clutch control valves 41 to 44 is provided in a line along an upper surface of the clutch housing 9. These first main transmission hydraulic clutch control valves 41 to 44 are connected to the hydraulic clutch type transmission mechanisms C1, C2 through an oil passage 9a machined in the clutch housing 9. COPYRIGHT: (C)2009,JPO&INPIT
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