| 摘要 |
PROBLEM TO BE SOLVED: To carry out a sufficient cooling and lubrication with lubricant, to efficiently use spaces, reduce the number of part items, and avoid increase of weight. SOLUTION: By connecting and releasing each of multiple disc clutch plates 35, 43 of a plurality of multiple disc clutch divices 33, 40, the rotary direction of a front planetary gear 46 is changed to switch over the state of transmission of driving force. The 2-4 brake clutch 33 of the multiple disc clutch system 33, 40 engages in two shift steps in advancing side to release in shift steps in advancing side between the two shift steps, while a reverse clutch 40 using the clutch drum 36 of the 2-4 brake clutch 33 as a clutch hub is disposed at the substantially same axial and radially outward position. |
