The most common variety of CVT takes advantage of two pulleys related by a belt or chain, on the other hand, various other layouts have also been made use of. The overall Motors Hydra-Matic grew to become the primary mass-generated automatic transmission pursuing its introduction in 1939 (1940 product 12 https://gearbox-auto19528.fare-blog.com/34295412/gearbox-auto-for-dummies