General Motors’ Hydra-Matic, introduced in 1940, was among the 1st, utilizing a hydraulic fluid coupling and planetary gearsets. This innovation manufactured driving much more obtainable by eradicating the need for handbook gear improvements. Larger gears provide far more speed rather then torque, which is great for easy  driving within the https://gearbox-auto19752.like-blogs.com/33454257/the-best-side-of-gearbox-auto