This is a A-AE73444 Trans Disc: PN: AE73444Main Description As Following : A-AE73444 Trans Disc: P.N: AE73444 Inside Diameter: 1.24" (31.59 mm) KeyedOutside Diameter: 6.50" Replaces: AE24102 JOHN DEERE Found in Section & Models : Clutch Parts > Single Clutch, John Deere SWATHER/WINDROWER: 800, John Deere SWATHER/WINDROWER: 830 Associated Items : New Also This is An Aftermarket Product And : Inside Diameter: 1.24" (31.59 mm) Keyed Outside Diameter: 6.50"