by Shivansh Sabhadiya A gearbox is usually called a transmission. A gearbox just refers to some list of gears and their casing, most often found in cars. It absolutely was very first launched in 1939 for vehicles. It is made up of the fluid coupling and 3 planetary gears. https://gearbox13467.idblogmaker.com/32952977/the-5-second-trick-for-gearbox