An automobile gearbox can be an assemblage of gears and shafts, that is made use of to control the output velocity and torque of a machine/vehicle. The General Motors Hydra-Matic grew to become the initial mass-created automatic transmission following its introduction in 1939 (1940 product 12 months). Out there as https://lorenzofpsss.thenerdsblog.com/39936790/5-essential-elements-for-gearbox-auto