Output shaft: The gears within the output shaft meshes Using the gears on lay shaft to get different gear ratios. In manual transmission, the motive force must shift the gears manually by utilizing the gear shifter. The underneath figure shows The fundamental structure of your guide transmission gearbox. Automatic transmissions https://gearbox-auto07283.ageeksblog.com/33026101/5-simple-statements-about-gearbox-auto-explained