This is a A-1610239M3 Shaft, PTO (1000 RPM) PN: 1610239M3Main Description As Following : A-1610239M3 Shaft, PTO (1000 RPM) P.N: 1610239M3 Dim A (1): 11.543" LongDim B (2): 21 & 24 Drive Splines Crossed From: WN-1610239M3 , , WN1610239M3 , Found in Section & Models : PTO Parts > PTO and Related Parts, Massey Ferguson TRACTOR: 2640, Massey Ferguson TRACTOR: 2675, Massey Ferguson TRACTOR: 2705, Massey Ferguson TRACTOR: 2745, Massey Ferguson TRACTOR: 2775 (SN 9R0451->), Massey Ferguson TRACTOR: 2805 Associated Items : New Also A-MH-O-MF2675, A-MH-P-MF2675, A-MH-S-MF2675, A-MH-O-MF2675, A-MH-P-MF2705, A-MH-S-MF2675, A-MH-O-MF2745, A-MH-P-MF2745, A-MH-O-MF2775, A-MH-P-MF2775, A-MH-O-MF2775, A-MH-P-MF2775 And : Dim A (1): 11.543" Long Dim B (2): 21 & 24 Drive Splines