An engine exhaust structure has first and second purifying devices simply and stably supported in an exhaust passage, and a plurality of independent passages. The purifying devices are disposed on an engine body exhaust side and arranged in a flow directio...

An automatic transmission is provided with a friction engaging element having a hub member, a drum member, friction plates disposed between the hub member and the drum member, and a piston configured to engage the friction plates. The hub member includes a...