by Shivansh Sabhadiya A gearbox is usually known as a transmission. A gearbox just refers to your list of gears and their casing, most commonly found in cars. It absolutely was initial introduced in 1939 for vehicles. It is made of the fluid coupling and a few planetary gears. https://archerlxgox.blogripley.com/34477851/the-basic-principles-of-gearbox