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
3 2,15/16 20 3 2,5/8 26 10
DR-21

CL-300, RC-7

3010 (Gas & LP)-(Diesel-to s/n 1T 6643) 3020 (Gas & LP) 4010 (Gas & LP)-(Diesel-to s/n 2T 7026) 4020 & 4000 (Gas & LP). Note: See DR-22 for round body muffler with flared inlet.