Thus, gearbox is critical to regulate output speed & torque. According to the need of the automobile, we can easily realize various speeds or torque with the help of a gearbox. A hydraulic automatic transmission works by using planetary gearsets rather than the manual transmission's design and style of gears https://gearbox-auto08405.thechapblog.com/33270250/not-known-facts-about-gearbox-auto