C21977 Kohler Muffler for Case Ingersoll 644. This muffler has not been available for a while, but we made it available now for you with our added touches to make it better. This will fit Case Ingersoll 644 Loaders and Backhoes.
 
PLEASE LOOK OVER THE PICTURES, AND MAKE SURE THIS IS THE CORRECT MUFFLER THAT YOU NEED. THIS MUFFLER FITS MOST KOHLER-POWERED 644 Loaders. This muffler is made to our specs, heavier than original design and we have added a heat shields to keep heat off of fuel system, engine and helps keep it off your feet too.These are quality handmade by skilled craftsmen in the USA replacement mufflers.
 
NOTE- If you have a later 644 with your muffler on the left of tractor when on the seat you may need this C23971 HERE
 
NOTE- If your 644 has a different style muffler this one can be used with a few things changed/modified. You may have to bend the mounting bracket on muffler and drill a hole in your motor mount plate. You may have to move or reroute a cooler line or both depending on your hose set up on your year machine with a few things changed/modified to relocate your exhaust to the right side of machine but those changes and fabrication is up to you to design and build.