This is a A-AM364T Muffler PN: AM364TMain Description As Following : A-AM364T Muffler P.N: AM364T Vertical & Horizontal / Round Body - 3 1/4" Shell Diameter(2 Bolt Flange Mount, 1 7/8" O.D.)Dim A (1): A: 3 1/4" INLET LENGTHDim B (2): B: 1 3/4" INLET I.D.Dim C (3): C: 14 1/2" SHELL LENGTHDim D (4): D: 3 1/4" OUTLET LENGTHDim E (5): E: 2" OUTLET O.D.Dim F (6): F: 21" OVERALL LENGTH Crossed From: DR-5 STANLEY MUFFLER , TP-AM364T , , 1417-4605 , Found in Section & Models : Mufflers/Exhaust Pipes > Mufflers, John Deere TRACTOR: M (1947-1952), John Deere TRACTOR: MC (1947-1952), John Deere TRACTOR: MT (1947-1952), John Deere TRACTOR: 320 (1957-1959), John Deere TRACTOR: 330 (1957-1959), John Deere TRACTOR: 40 (1953-1956) Associated Items : A-RC2 Also A-FRM-JD, A-JD-O-OMTM31051, A-JD-P-PC848, A-JD-S-SM2001, A-JD-S-SM2024, A-JD-S-SM2029, A-JD-S-SM2045, A-JD-S-SM2050, A-SMJD4, A-JD-MCREPRO, A-JD-O-OMTMC2551, A-JD-P-PC848, A-JD-O-OMTMT21051, A-JD-P-PC848, A-JS-S-SM2002, A-SMJD4, A-JD-S-SM2019, A-JD-S-SM2024, A-JD-S-SM2029, A-JD-S-SM2045 And : Vertical & Horizontal / Round Body - 3 1/4" Shell Diameter(2 Bolt Flange Mount, 1 7/8" O.D.) Dim A (1): A: 3 1/4" INLET LENGTH Dim B (2): B: 1 3/4" INLET I.D. Dim C (3): C: 14 1/2" SHELL LENGTH Dim D (4): D: 3 1/4" OUTLET LENGTH Dim E (5): E: 2" OUTLET O.D. Dim F (6): F: 21" OVERALL LENGTH