This is a A-1868557M93 Shaft, Live PTO (540 RPM) PN: 1868557M93Main Description As Following : A-1868557M93 Shaft, Live PTO (540 RPM) P.N: 1868557M93 Dim A (1): 24 1/32" LongDim B (2): 21 Drive Splines Replaces: A-VPH4007 MISCELLANEOUS , A-1868557M1 MASSEY FERGUSON , Crossed From: AM1868557M93 , , HM1868557 , 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