It was initial launched in 1939 for automobiles. It is made of the fluid coupling and a few planetary gears. They collectively make 3 forward and 1 reverse pace. There is not any clutch for engagement and disengagement with the engine. Torque converter does the same function that the https://zanerbdba.dm-blog.com/33822102/the-single-best-strategy-to-use-for-gearbox