This is a A-AT160474 Trans Disc: 12" PN: AT160474Main Description As Following : A-AT160474 Trans Disc: 12" P.N: AT160474 Replaces: AT104328, AT116577Spline Count: 10Spline Diameter: 1.250" Replaces: A-AT104328 JOHN DEERE , AT160474-RO JOHN DEERE , Crossed From: AT116577 JOHN DEERE , SW02025 , Found in Section & Models : Clutch Parts > Single Clutch, John Deere CRAWLER: 455D, John Deere DOZER: 450C, John Deere DOZER: 450D, John Deere DOZER: 450E (S/N 720888>), John Deere INDUSTRIAL/CONSTRUCTION: 400G, John Deere INDUSTRIAL/CONSTRUCTION: 450B, John Deere INDUSTRIAL/CONSTRUCTION: 480 Associated Items : New Also A-JD-O-OMT71338, A-JD-S-TM1102, A-JD-S-TM1033 And : Replaces: AT104328, AT116577 Spline Count: 10 Spline Diameter: 1.250"