This is a A-A147100 Muffler PN: A147100Main Description As Following : A-A147100 Muffler P.N: A147100 Vertical / Oval Body - 6 1/2" X 10 1/2" Shell Dimension. MUFFLER IS BASE PLATE MOUNTED - 3 HOLE, Muffler Has 1 1/4" Diameter Side Aspirator Tube, Uses A181267 Extension Pipe.Dim A (1): A: 3" INLET LENGTHDim B (2): B: 4" INLET I.D.Dim C (3): C: 26 1/2" SHELL LENGTHDim D (4): D: 4 1/2" OUTLET LENGTHDim E (5): E: 4 1/8" OUTLET O.D.Dim F (6): F: 31" OVERALL LENGTH Replaces: 15572T NELSON GLOBAL PRODUCTS , Crossed From: AMA147100 , , CA-23 STANLEY MUFFLER , 1717-1012 , Found in Section & Models : Mufflers/Exhaust Pipes > Mufflers, Case-IH TRACTOR: 2390 (W/ DIESEL ENGINE - 1978>), Case-IH TRACTOR: 2394 (W/ DIESEL ENGINE - 1978>), Case-IH TRACTOR: 2590 (W/ DIESEL ENGINE - 1978>), Case-IH TRACTOR: 2594 (W/ DIESEL ENGINE - 1978>) Associated Items : A-CL400, A-RC16 Also A-CA-O-2390, A-CA-P-2390, A-CA-P-2394, A-CA-S-23942594, A-CA-O-2590, A-CA-P-2594, A-CA-S-23942594, A-IH-S-AIRHEAT And : Dim A (1): A: 3" INLET LENGTH Dim B (2): B: 4" INLET I.D. Dim C (3): C: 26 1/2" SHELL LENGTH Dim D (4): D: 4 1/2" OUTLET LENGTH Dim E (5): E: 4 1/8" OUTLET O.D. Dim F (6): F: 31" OVERALL LENGTH