Modern vehicles use helical gears and synchromesh gadgets during the gearboxes, that synchronize the rotation of gears which might be going to mesh. This eradicates clashing in the gears and will make equipment shifting less difficult. Engine Shaft: The engine shaft is linked to the motor by means of clutch. https://automobile-gearbox32074.blogitright.com/34275514/the-greatest-guide-to-automobile-gearbox