It absolutely was initially released in 1939 for automobiles. It consists of the fluid coupling and three planetary gears. They collectively make 3 forward and one reverse speed. There isn't a clutch for engagement and disengagement with the engine. So by locking any person’s gear, we may get an https://gearbox19630.mdkblog.com/39621479/the-2-minute-rule-for-gearbox