For that reason, gearbox is critical to control output velocity & torque. As per the necessity in the car or truck, we could realize various speeds or torque with the help of the gearbox. A hydraulic automatic transmission uses planetary gearsets rather than the guide transmission's structure of gears lined https://gearbox-auto19516.ampedpages.com/a-secret-weapon-for-gearbox-auto-61094258