It had been 1st launched in 1939 for automobiles. It consists of the fluid coupling and a few planetary gears. They collectively make 3 ahead and a single reverse speed. There is absolutely no clutch for engagement and disengagement from your motor. Most transmissions in present day vehicles use https://cristiandoxem.blogoscience.com/40055738/the-fact-about-gearbox-that-no-one-is-suggesting