PortMatchMatch any tool dust port to any shop-vac or collector hose, with the exact reducer

Dewalt Dwe7491 Rear vs DW Miter Elbow: specs compared

Updated 05 September 2026.

64 mm
Dewalt Dwe7491 Rear wins on mating diameter

On mating diameter, Dewalt Dwe7491 Rear leads: 64 mm versus 38 mm.

SpecDewalt Dwe7491 RearDW Miter Elbow
Port typemale spigot (hose goes over it)male spigot (hose goes over it)
Outer diameter (OD)2-1/2 in, 64 mm1-1/2 in, 38 mm
Manufacturer designation2-1/2 in OD rear port1-1/2 in outer, 1-3/8 in inner
Mating diameter (mm)6438

Questions and answers

Which has the higher mating diameter, Dewalt Dwe7491 Rear or DW Miter Elbow?

On mating diameter, Dewalt Dwe7491 Rear leads: 64 mm versus 38 mm.

How do Dewalt Dwe7491 Rear and DW Miter Elbow compare?

On mating diameter, Dewalt Dwe7491 Rear leads: 64 mm versus 38 mm.

Compared here

DeWalt DWE7491RS rear dust port dust port sizeDeWalt miter saw dust elbow (1-1/2 in outer) dust port size