by Shivansh Sabhadiya A gearbox is commonly termed a transmission. A gearbox simply refers to the list of gears and their casing, most commonly located in vehicles. It had been first launched in 1939 for cars. It is made up of the fluid coupling and a few planetary gears. https://gearbox10741.blogofchange.com/34375620/the-5-second-trick-for-gearbox