This is a A-R38224 Shaft, PTO (1000 RPM) PN: R38224Main Description As Following : A-R38224 Shaft, PTO (1000 RPM) P.N: R38224 Dim A (1): 10.875" longDim B (2): 21 spline Replaces: AR38224 JOHN DEERE , R80744 JOHN DEERE , R94130 JOHN DEERE , Crossed From: AMR38224 , , WN-R38224 , , WNR38224 , , 108935 , Found in Section & Models : Tractor Parts Associated Items : New Also This is An Aftermarket Product And : Length: 10.875" Spline: 21