The worm gearbox takes advantage of a substantial diameter warm wheel. A worm or screw meshes with teeth to the outer circumference of the gearbox. Manual transmission gearboxes Possess a clutch that engages and disengages the motor in the gearbox, and a gear change lever that selects diverse gears. https://gearbox18641.sharebyblog.com/33633734/detailed-notes-on-gearbox