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Dewalt Dwe6423 vs Dewalt Dwe7491 Rear: 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 35 mm.

SpecDewalt Dwe6423Dewalt Dwe7491 Rear
Port typemale spigot (hose goes over it)male spigot (hose goes over it)
Outer diameter (OD)1-3/8 in, 35 mm2-1/2 in, 64 mm
Manufacturer designationstepped 26 / 32 / 35 mm2-1/2 in OD rear port
Mating diameter (mm)3564

Questions and answers

Which has the higher mating diameter, Dewalt Dwe6423 or Dewalt Dwe7491 Rear?

On mating diameter, Dewalt Dwe7491 Rear leads: 64 mm versus 35 mm.

How do Dewalt Dwe6423 and Dewalt Dwe7491 Rear compare?

On mating diameter, Dewalt Dwe7491 Rear leads: 64 mm versus 35 mm.

Compared here

DeWalt DWE6423 sander stepped port dust port sizeDeWalt DWE7491RS rear dust port dust port size