Torque converter – cutaway watch To supply coupling and decoupling with the engine, a modern automatic transmission uses a torque converter instead of the friction clutch used in a manual transmission.[14][15] Lay Shaft: Lay shafts has fixed gears on it. The lay shaft will get energy from your engine shaft https://gearboxauto76306.blogtov.com/14644775/the-best-side-of-gearbox-auto