Please choose product options by visiting 1/2 Hp Electric Motor. M81 Complete Gearbox$954.00 Complete replacement gearbox for MyTana M81 cable machine. M81 Complete Gearbox quantity Add to cart Description Description Complete replacement gearbox for MyTana M81 cable machine. Part no. GEARBOX.COMP Related products 1/2 Hp Electric Motor $974.00 Select options Gearbox Gasket $9.50 Add to cart M888 Complete Gearbox $1,040.00 Add to cart Autofeed Cylinder Thrust Race $4.25 – $6.50 Select options Autofeed Drive Pin $14.00 – $20.00 Select options