by Shivansh Sabhadiya A gearbox is usually termed a transmission. A gearbox just refers to a set of gears and their casing, most often located in automobiles. It had been to start with released in 1939 for cars. It consists of the fluid coupling and a few planetary gears. https://gearbox31852.dm-blog.com/33822429/5-simple-techniques-for-gearbox