Stanley Part Number Tractor Application & Description Inlet Length (A) Inlet I.D. (B) Shell Length (C) Outlet Length (D) Outlet O.D. (E) O/A Length (F) Wgt in LBS
1,1/2 3,15/16 27 5,1/2 4 34 16
DR-27

DR-400, RC-9

4520, 4620, & 7020 (Diesel). Application note: This muffler also used on non-tractor applications; ENG-400, ENG-500, 4276D & 641 D&T. Note: This muffler is aspirated and has flared inlet, Special clamp DR-400 is available from