No, a gearbox is essential to transfer ability from the motor on the wheels at the right rotating speeds. Q4. What's the difference between a clutch in addition to a gearbox? Overdrive is particularly useful for extensive-distance freeway driving, wherever retaining a higher pace with minimal engine exertion is beneficial.  https://eduardoehfcy.bloguetechno.com/automobile-gearbox-an-overview-69038995