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
4,1/2 Flared 19,1/4 4 2,1/4 27 12
DR-24

DR-300, RC-5

3020 (Diesel)- s/n 123000 & up. 4020 & 4000 (Diesel) -s/n 201000 & up. 4030, 4230, 4040, 4240 & 4440. Application note: This muffler also used on stationary & industrial non-tractor applications; ENG-400, ENG-500, 6466D (T&A)-