This is a A-187184M1 Muffler PN: 187184M1Main Description As Following : A-187184M1 Muffler P.N: 187184M1 Vertical Or Horizontal/ Round Body - 3 1/4" Shell DimensionDim A (1): A: 2 3/4" INLET LENGTHDim B (2): B: 1 3/4" INLET I.D.Dim C (3): C: 20" SHELL LENGTHDim D (4): D: 11" OUTLET LENGTHDim E (5): E: 1 3/4" OUTLET O.D.Dim F (6): F: 34" OVERALL LENGTH Replaces: 1426820M91 MASSEY FERGUSON , 1427799M94 MASSEY FERGUSON , 847264M92 MASSEY FERGUSON , 847268M1 MASSEY FERGUSON , 898228M92 MASSEY FERGUSON , 898228M93 MASSEY FERGUSON , Crossed From: AM187184M91 , , MF-13 STANLEY MUFFLER , 1217-2304 , , 187184M91 , Found in Section & Models : Mufflers/Exhaust Pipes > Mufflers, Massey Ferguson TRACTOR: 50 (W/ GAS OR DIESEL ENGINE - USED AS VERTICAL OR HORIZ, Massey Ferguson TRACTOR: 65 (W/ GAS OR DIESEL ENGINE - USED AS VERTICAL) Associated Items : A-CL134 Also A-FRM-MH, A-MH-O-MF5065, A-MH-P-MF50, A-MH-P-MF50IND, A-MH-S-MF100LDR, A-MH-S-MF3550, A-SMMF14, A-FRM-MH, A-MH-O-HYDRSYST, A-MH-O-MF5065, A-MH-O-MF65, A-MH-O-MF65DSL, A-MH-O-MF65LATE, A-MH-P-MF65, A-MH-S-MF100LDR, A-MH-S-MF65, A-SMMF201 And : Vertical Or Horizontal/ Round Body - 3 1/4" Shell Dimension Dim A (1): A: 2 3/4" INLET LENGTH Dim B (2): B: 1 3/4" INLET I.D. Dim C (3): C: 20" SHELL LENGTH Dim D (4): D: 11" OUTLET LENGTH Dim E (5): E: 1 3/4" OUTLET O.D. Dim F (6): F: 34" OVERALL LENGTH