Xtreme Torque Series, High Torque Cool Coil Upgrade, Heavy Duty "FatBoy Series" Upgrade Replaceable Pulley Bearing, Super Smooth "Xtreme Precision" Machined Pulley Upgraded to 3 Layer "Xtreme TOUGH" Integrated, Water Tight Wire Harness Specs: Description: PTO Clutch, 1.125" Crankshaft, 6.3" Pulley, Counter Clockwise, A/B Belt, 175 ft. lbs. torque Replacement For: Ferris: 5100084, 5100084S, 5100084SM, Massey Ferguson: 5100084, 5100084S, 5100084SM, Mcculloch: 5100084, 5100084S, 5100084SM, Sears Craftsman: 5100084, 5100084S, 5100084SM, Simplicity: 5100084, 5100084S, 5100084SM, Snapper Pro: 5100084, 5100084S, 5100084SM, Snapper: 5100084, 5100084S, 5100084SM, 255-827, Warner: 5218-221 **Verify the part fits before purchasing**Specs:Description: PTO Clutch1.125" Crankshaft6.3" PulleyCounter ClockwiseA/B Belt175 ft. lbs. torqueReplacement For: Ferris: 5100084, 5100084S, 5100084SMMassey Ferguson: 5100084, 5100084S, 5100084SMMcculloch: 5100084, 5100084S, 5100084SMSears Craftsman: 5100084, 5100084S, 5100084SMSimplicity: 5100084, 5100084S, 5100084SMSnapper Pro: 5100084, 5100084S, 5100084SMSnapper: 5100084, 5100084S, 5100084SM255-827Warner: 5218-221Compatible With/Replacement For: Ferris: DD Series Comfort Control Walk Behind, Evolution 36" & 48", Evolution 52", F150XT Series 52", F200XT Series 61", F50XT Series 36" 19hp & 20hp Kawasaki, Flail Mower Series, IS 1500Z Series, IS 1500ZX Series, IS 2000Z Series, Procut S SeriesMassey Ferguson McCulloch: 3000 Series, 3900 SeriesNULL: NULLSimplicity: Citation Series Model Numbers: 5900522, 5900523, 5900524, 5900525, 5900526, 5900527, 5900530, 5900531, 5900762, 5900764, 5900820, 5900821, 5900954, 2690479Snapper Pro: S150XT Series, S200XT Series, S50XT Series Kawasaki Only, S75XT Series, SW30 Series Walk BehindSnapper: S125XT Series, S150X Series, S200X Series, S200XT Series, S50X Series, S50XT Series, S75X Series, SW30KAV Series, SW35KAV Series