This is a A-1868528M91 Pinion Shaft, PTO PN: 1868528M91Main Description As Following : A-1868528M91 Pinion Shaft, PTO P.N: 1868528M91 Dim A (1): 17 TeethDim B (2): 25 Spline Replaces: A-1868528M1 MASSEY FERGUSON , 1868528V91 MASSEY FERGUSON , Crossed From: HM1868528 , Found in Section & Models : PTO Parts > PTO and Related Parts, Massey Ferguson TRACTOR: 135, Massey Ferguson TRACTOR: 150, Massey Ferguson TRACTOR: 165, Massey Ferguson TRACTOR: 235, Massey Ferguson TRACTOR: 245, Massey Ferguson TRACTOR: 255, Massey Ferguson TRACTOR: 265, Massey Ferguson TRACTOR: 275, Massey Ferguson TRACTOR: 285, Massey Ferguson TRACTOR: 290 (W/ MUTI-POWER TRANS) Associated Items : New Also This is An Aftermarket Product And : Dim A (1): 17 Teeth Dim B (2): 25 Spline