One New Aftermarket Replacement Muffler Fits John Deere Fits John Deere Compact Tractor Models: 650, 750 Technical Information: Inlet has a 4-port backing plate. Black in color. Inlet Length is 2 inches Body Length is 11 1/2 inches Outlet Length is 5 1/2 inches Outlet Outside Diameter is 1 3/4 inches Overall Length is 20 inches Replaces Part Numbers: DR-35, CH15910 This muffler reduces noise and controls engine back pressure for increased durability and performance. Models this part fits: 650, 750 Reference Numbers: CH15910, CH15910-A