M661 Drive Arm$34.00 Replacement drive arm for our M661. Connects with a drive spring to the reel. M661 Drive Arm quantity Add to cart Description Description Small drive arm (drive rod), for our M661. Connects to the reel using the DS21 Drive Spring. Part no DRIVEARM-SML Related products Front Casting and Bushings $15.00 – $142.80 Select options Revolving Arm for M755 $116.00 Add to cart 1/2 Hp Electric Motor $844.00 Add to cart Revolving Arm for M661 $107.00 Add to cart M888 Complete Gearbox $900.00 Add to cart