This is a A-AR41752 Shaft, PTO (540 RPM) PN: AR41752Main Description As Following : A-AR41752 Shaft, PTO (540 RPM) P.N: AR41752 Length: 10.687"Replaces: R38223Spline Count: 6 / 16 Replaces: R38223 JOHN DEERE , A-R41756 JOHN DEERE , Crossed From: AMAR41752 , , WN-AR41752 , , WNAR41752 , , 108507 , , 1412-3000 , Found in Section & Models : PTO Parts > PTO and Related Parts, John Deere INDUSTRIAL/CONSTRUCTION: 500C, John Deere TRACTOR: 3020 (SN 123000->), John Deere TRACTOR: 4020 (SN 201000->) Associated Items : New Also This is An Aftermarket Product And : Length: 10.687" Replaces: R38223 Spline Count: 6 / 16