Xtreme Outdoor Power Equipment Replaces Dixon Electric PTO Clutch Upgrades OEM 539120756-Free Upgraded Bearings Xtremely cool coil design runs over 20% cooler for a longer service life  plus every clutch is backed by a buyer-protection 1-year warranty Replaces OEM: 120756, 539120756 Replaces Warner: 5217-30 Specs: 1.000 Crankshaft, 5 3/8" Pulley, Counter Clockwise, 1/2" or 5/8" Belt, 80 ft. lbs torque Free Upgraded - High Temperature Bearings. TOUGH Machined Billet Pulley with Replaceable Bearing - OEM Upgrade