There are actually differing types of gearboxes according to their use and working people today. It includes an computerized gearbox, guide gearbox, and epicyclic gearbox with their respective subtypes. Spur and helical gears are used in the sliding mesh gearbox to act. Spur gear’s enamel produce a parallel reference https://eduardozyxur.blogoscience.com/40050209/the-ultimate-guide-to-gearbox