This is a A-AR94519 Disc, PTO Clutch Assembly PN: AR94519Main Description As Following : A-AR94519 Disc, PTO Clutch Assembly P.N: AR94519 Dim B (2): 5.884" Minor I.D.Dim C (3): 6.170" Major I.D.Inside Diameter: 5.884"Outside Diameter: 11.01"Spline Count: 48 Replaces: RE239059 JOHN DEERE , Crossed From: AMAR94519 , , WN-AR94519 , , WNAR94519 , , 1412-6015 , Found in Section & Models : Transmission & Rear Axle > Clutch Disc: Trans and PTO, John Deere TRACTOR: 4050 (w/ powershift), John Deere TRACTOR: 4055 (w/ powershift), John Deere TRACTOR: 4250 (w/ powershift), John Deere TRACTOR: 4255 (w/ powershift), John Deere TRACTOR: 4450 (w/ powershift), John Deere TRACTOR: 4455 (w/ powershift), John Deere TRACTOR: 4555 (w/ powershift), John Deere TRACTOR: 4560 (w/ powershift), John Deere TRACTOR: 4650 (w/ powershift), John Deere TRACTOR: 4755 (w/ powershift), John Deere TRACTOR: 4760 (w/ powershift), John Deere TRACTOR: 4850 (w/ powershift), John Deere TRACTOR: 4955 (w/ powershift), John Deere TRACTOR: 4960 (w/ powershift), John Deere TRACTOR: 8560 (w/ 12 speed syncro & 24 speed power syncro), John Deere TRACTOR: 8570 (w/ 12 speed syncro & 24 speed power syncro), John Deere TRACTOR: 8760 (w/ 12 speed syncro & 24 speed power syncro), John Deere TRACTOR: 8770 (w/ 12 speed syncro & 24 speed power syncro), John Deere TRACTOR: 8870 (w/ 12 speed syncro & 24 speed power syncro), John Deere TRACTOR: 8960 (w/ 12 speed syncro & 24 speed power syncro) Associated Items : New Also A-JD-O-OMRW16854, A-JD-O-OMRW16854 And : Dim B (2): 5.884" Minor I.D. Dim C (3): 6.170" Major I.D. Inside Diameter: 5.884" Outside Diameter: 11.01" Spline Count: 48