One New Aftermarket Muffler Fits Massey Ferguson 135 Tractor With Perkins Diesel Engine. Specifications Description: Muffler Inlet Diameter: 1 3/4″ Outlet Diameter: 1 3/4″ Length: 52″ Position: Horizontal Body Type: Round Material: Aluminum Notes: Muffler: Body diameter is 4-1/4″ This assembly uses the MF-31 muffler. The pipe has a flanged inlet with 3 bolts. This assembly uses the MFE-9 pipe. It is used for diesel engines. Replaces Part Numbers: 30059V91, 522589M91, 539525M91, MF-36 Fits Massey Ferguson Models: 135 This part fits: 135 Reference Numbers: 30059V91, 30059V91-A, 522589M91, 522589M91-A, 539525M91, 539525M91-A, A-MF3610, A-MF3610-A, MF-36, MF-36-A, MF3610