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 33 3 3,1/2 37 20
DR-26

DR-400A, RC-8

4040, 4050, 4240, 4320, 4430, 4440, 4630, 4640 (s/n 5511 & up). 4055, 4250, 4255, 4450, 4455, 4840. Application note: This muffler used on other non-tractor applications. ENG 4239 D&T, 4276 D&T, 6359 D&T, 6414 D&T, 6466 D&T,