View cart “M661 Drive Arm” has been added to your cart. M661 Electric Box Housing$37.00 Electric box housing (plastic) for M661 or M755. M661 Electric Box Housing quantity Add to cart Description Description Electric box housing (plastic) for M661 or M755. Part no E9801 Related products 3.5″ O.D. x 1/2″ Pulley $39.00 Add to cart 2.5″ O.D. x 5/8″ Pulley $34.00 Add to cart 1/2 Hp Electric Motor $974.00 Select options 2.5″ O.D. x 1/2″ Pulley $30.00 Add to cart Foot Pedal and Hose $23.00 – $100.00 Select options