| 摘要 |
PROBLEM TO BE SOLVED: To reduce manufacturing cost by reducing man-hour when an oil passage for supplying and discharging pressure oil to high and low transmission device and PTO clutch is machined. SOLUTION: A differential pinion shaft 18 to be a clutch shaft of the high and low transmission device 8 internally fitted to a differential case 14 is extended to a hydraulic joint part 13b formed at an intermediate wall 13a of a center case 13. The pressure oil is supplied/discharged to/from the high and low transmission device 8 via the oil passage 18a formed at the intermediate wall 13a and the differential shaft 18. A clutch drum 34 of the PTO clutch 10 is connected to a hydraulic joint part 13c formed at the intermediate wall 13a of the center case 13. The pressure oil is supplied/discharged to/from the PTO clutch 10 via the oil passage 34a formed at the intermediate wall 13a and the clutch drum 34. COPYRIGHT: (C)2009,JPO&INPIT
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