This is often enclosed in a steel box called a gearbox. The vehicle velocity is additionally changed with the help with the transmission retaining the motor speed exactly the same with a specific Restrict. Automatic gearboxes appeared commercially in the forties, based on the Intercontinental Journal of Motor vehicle Layout, https://sergioafgeb.buyoutblog.com/34111342/the-5-second-trick-for-automobile-gearbox