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Dewalt Dwe6423 vs Dw7491 Guard: specs compared

Updated 05 September 2026.

38 mm
Dw7491 Guard wins on mating diameter

On mating diameter, Dw7491 Guard leads: 38 mm versus 35 mm.

SpecDewalt Dwe6423Dw7491 Guard
Port typemale spigot (hose goes over it)male spigot (hose goes over it)
Outer diameter (OD)1-3/8 in, 35 mm1-1/2 in, 38 mm
Manufacturer designationstepped 26 / 32 / 35 mm1-1/2 in OD guard port
Mating diameter (mm)3538

Questions and answers

Which has the higher mating diameter, Dewalt Dwe6423 or Dw7491 Guard?

On mating diameter, Dw7491 Guard leads: 38 mm versus 35 mm.

How do Dewalt Dwe6423 and Dw7491 Guard compare?

On mating diameter, Dw7491 Guard leads: 38 mm versus 35 mm.

Compared here

DeWalt DWE6423 sander stepped port dust port sizeDeWalt DWE7491RS blade-guard port dust port size