This is a A-R33342 Shaft, PTO (1000 RPM) PN: R33342Main Description As Following : A-R33342 Shaft, PTO (1000 RPM) P.N: R33342 Dim A (1): 10.875" longDim B (2): 21 spline Crossed From: AMR33342 , Found in Section & Models : Tractor Parts Associated Items : New Also This is An Aftermarket Product And : High Quality Afternaket Shipped from Both US and Canada