One New Aftermarket Replacement Muffler Fits Oliver / White Tractor Models: 1650 (WITH DIESEL ENGINE), 1750 (WITH 1968 GASOLINE OR DIESEL ENGINE), 1750 (WITH GASOLINE, LPG OR DIESEL ENGINE), 1800 (WITH GASOLINE OR DIESEL ENGINE), 1800 (WITH GASOLINE, LPG OR DIESEL ENGINE), 1850 (WITH 1968 GASOLINE OR DIESEL ENGINE), 1850 (WITH GASOLINE, LPG OR DIESEL ENGINE) Size A (1) A: 4 1/2″ INLET LENGTH Dimension B (2) B: 2 15/16″ INLET ID Dimension C (3) C: 23″ SHELL LENGTH Dimension D (4) D: 6″ OUTLET LENGTH Dimension E (5) E: 2 1/2″ OUTLET OD Dimension F (6) F: 34″ OVERALL LENGTH Features heat shield. Replaces Part Numbers: 155980A, 164080A Models This part fits: 1650, 1750, 1800, 1850 Reference Numbers: 104764A, 155980A, 164080A, A-155980A, A-155980A-A, OL-7