The car or truck is controlled by only a pace accelerator and brake. A fluid flywheel is used for gear transmissions. It operates hydraulically and takes advantage of fluid coupling for any equipment’s ratio. It cuts down the torque in the motor by utilizing the throttle and centrifugal governor. https://gearbox74296.full-design.com/the-smart-trick-of-gearbox-that-nobody-is-discussing-76202715