Overdrive is especially useful for extended-length highway driving, in which maintaining a significant velocity with minimum motor energy is useful.  Yes, you'll find more kinds of gearboxes any time you account for finer distinctions, Superior versions, and more specialized use conditions. Listed below are additional gearbox styles or precise systems:  https://gearbox-auto10742.creacionblog.com/33479431/the-ultimate-guide-to-gearbox-auto