An automobile gearbox is definitely an assemblage of gears and shafts, that is utilized to control the output velocity and torque of the device/automobile. The General Motors Hydra-Matic turned the initial mass-manufactured automatic transmission subsequent its introduction in 1939 (1940 product calendar year). Available as a possibility in automobiles such https://gearbox-auto96394.dm-blog.com/34164720/5-simple-statements-about-gearbox-auto-explained