This is a A-T140926 Disc, Steel PN: T140926Main Description As Following : A-T140926 Disc, Steel P.N: T140926 Dim A (1): 3.9" I.D.Dim B (2): 54 Teeth Found in Section & Models : Transmission & Rear Axle > Clutch Disc: Trans and PTO, John Deere BACKHOE: 210C (Forward Clutch), John Deere BACKHOE: 310D (Transmission), John Deere BACKHOE: 315CH (Forward Clutch), John Deere BACKHOE: 315D (Transmission), John Deere FORKLIFT: 482C (Reverser Brake), John Deere INDUSTRIAL/CONSTRUCTION: 300D (Transmission), John Deere INDUSTRIAL/CONSTRUCTION: 310C (Forward Clutch), John Deere INDUSTRIAL/CONSTRUCTION: 315C (Forward Clutch) Associated Items : New Also This is An Aftermarket Product And : Inside Diameter: 3.9" Teeth: 54