The worm gearbox employs a big diameter warm wheel. A worm or screw meshes with teeth on the outer circumference on the gearbox. Manual transmission gearboxes have a clutch that engages and disengages the motor through the gearbox, and a equipment change lever that selects unique gears. Automatic transmission https://gearbox32074.eedblog.com/33892685/gearbox-secrets