This is a A-523394M1 Muffler PN: 523394M1Main Description As Following : A-523394M1 Muffler P.N: 523394M1 Vertical / Round Body - 5 1/2" Shell Diameter. THIS MUFFLERIS FOR TRACTORS WITH OUT LOADERDim A (1): A: 8" INLET LENGTHDim B (2): B: 2 1/8" INLET I.D.Dim C (3): C: 19 1/2" SHELL LENGTHDim D (4): D: 12 1/2" OUTLET LENGTHDim E (5): E: BENT PIPEDim F (6): F: 40" OVERALL LENGTH Replaces: 523394M95 MASSEY FERGUSON , Crossed From: MF-30 STANLEY MUFFLER , 102451 , , 1217-2333 , , 1217-2344 , , 523394M91 , Found in Section & Models : Mufflers/Exhaust Pipes > Mufflers, Massey Ferguson TRACTOR: 1080, Massey Ferguson TRACTOR: 1100, Massey Ferguson TRACTOR: 165 (W/ PERKINS GAS OR DIESEL ENGINES - 4-236 & 4-248), Massey Ferguson TRACTOR: 175 (W/ PERKINS GAS OR DIESEL ENGINES - 4-236 & 4-248), Massey Ferguson TRACTOR: 180 (W/ PERKINS GAS OR DIESEL ENGINES - 4-236 & 4-248) Associated Items : A-CL214 Also A-FRM-MH, A-MH-O-MF1080, A-MH-P-MF1080, A-MH-S-MF1080, A-SMMF201, A-FRM-MH, A-MH-O-MF110030, A-MH-P-MF1100-30, A-MH-S-MF110030, A-SMMF201, A-FRM-MH, A-MH-O-HYDRSYST, A-MH-O-MF165, A-MH-P-MF165, A-MH-S-MF100LDR, A-MH-S-MF165, A-SMMF27, A-FRM-MH, A-MH-O-HYDRSYST, A-MH-O-MF175-180 And : Vertical / Round Body - 5 1/2" Shell Diameter. THIS MUFFLERIS FOR TRACTORS WITH OUT LOADER Dim A (1): A: 8" INLET LENGTH Dim B (2): B: 2 1/8" INLET I.D. Dim C (3): C: 19 1/2" SHELL LENGTH Dim D (4): D: 12 1/2" OUTLET LENGTH Dim E (5): E: BENT PIPE Dim F (6): F: 40" OVERALL LENGTH