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 2,15/16 19,1/4 4 2,1/4 27 12
DR-25

CL-300, RC-5

3020 (Gas)-s/n 123000 & up; 4000/4020 (Gas)-s/n 201000 & up; 4230 (Gas)- all s/n. Application note: This muffler also used on Stationary & Industrial non-tractor applications; ENG-400 & ENG 500 (Gas & LP).