One New Aftermarket Replacement Muffler Fits Case Crawler Dozer models: 450C, 455C, 550, 550E, 550G (Below Serial Number JJG0255794) Non Turbo machine.
Muffler Inlet Has 4 Hole Base Plate.
Tech Info:
Inlet Length: 4.00″Inlet ID: 2 1/4″ on a 4 Hole Base PlateShell Length: 8.00″Outlet Length: 5.00″Outlet OD: 2.00″Overall Length: 17.50″
Replaces Part Numbers: A172785, A170073
Models This Part Fits:
450C, 455C, 550, 550E
Reference Numbers:
1717-1205, 1717-1205-A, A-A172785, A-A172785-A, A170073, A172785, A172785-A