One New Aftermarket Replacement Muffler Fits: Massey Ferguson Tractors Models 1080 (WITH 4 CYLINDER GAS ENGINE), 1100 (S/N 9B24395; WITH GAS OR DIESEL ENGINE). Also Fits Model 70 Industrial/Construction (WITH GAS OR DIESEL ENGINE). Technical Information: Vertical / Round Body 5 1/2″ Shell Diameter Inlet Length: 9 1/2″ Inlet ID: 2 3/4″ Shell Length: 17″ Outlet Length: 5 1/2″ Outlet OD: 2 3/4″ Overall Length: 32″ Replaces Part Numbers: 513563M92, 509939M91, 523394M95 Models This Part Fits: 110, 7080 Reference Numbers: 513563M92, A-513563M92, A-513563M92-A