Electric PTO Clutch / Xtreme X0245Pack Size:1Snapper Pro 5100084, Ferris 5100084, Simplicity 5100084, Warner 5218-221, Ferris 5100084S, Ferris 5100084SM, Snapper 5100084S, Snapper 5100084SM, Xtreme X0245, Massey Ferguson 5100084, Massey Ferguson 5100084S, Massey Ferguson 5100084SM, McCulloch 5100084, McCulloch 5100084S, McCulloch 5100084SM, Craftsman 5100084, Craftsman 5100084S, Craftsman 5100084SM, Simplicity 5100084S, Simplicity 5100084SM, Snapper 5100084, Snapper Pro 5100084S, Snapper Pro 5100084SM, Snapper Pro 5105090JThomas 5218221, Rotary 14743, Sunbelt B1XT0245Ferris DD series walk behind, Evolution 36", 48" and 52", FX150XT, 52" and F200XT, 61" series, F50XT, 36", 19-20 Kawasaki series, Flail mower series, IS1500Z, IS1500ZX and IS2000Z series; Procut S series; McCulloch 3000 and 3900 series; Simplicity 5900522, 5900523, 5900524, 5900525, 5900526, 5900527, 5900530, 5900531, 5900762, 5900764, 5900820, 5900821, 5900954 and 2690479 Citation series; Snapper S50X, S75X, S150X, S200X, S50XT, S125XT, S150XT, S200XT, SW30KAV and SW35KAV seriesUses belt width: 1/2 " or 5/8", ID: 1 1/8 ", Cool Coil Technology, Heavy Duty "FatBoy Series" Upgrade, Upgraded to 3 Layer "Xtreme TOUGH" Integrated, Water Tight Wire Harness, Super Smooth "Xtreme Precision" Machined Pulley, Direction: Counter clockwise, Diameter Pulley: 6 5/16 ", Replaceable Pulley Bearing