View cart “M661 Drive Arm” has been added to your cart. M661 Belt Guard$78.00 Replacement belt cover for our M661 Cable Machine. M661 Belt Guard quantity Add to cart Description Description M661 Belt Guard is a replacement cover for our M661 Little Workhorse. Part no. AY M661-1200 Related products Large Drive Arm $39.00 Add to cart M81 Complete Gearbox $954.00 Add to cart Autofeed Movement Assembly $105.00 – $152.00 Select options M888 Complete Gearbox $1,040.00 Add to cart 2.5″ O.D. x 5/8″ Pulley $34.00 Add to cart