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Dewalt Dwe7491 Rear vs DW Miter 779: 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 41 mm.

SpecDewalt Dwe7491 RearDW Miter 779
Port typemale spigot (hose goes over it)male spigot (hose goes over it)
Outer diameter (OD)2-1/2 in, 64 mm1-5/8 in, 41 mm
Manufacturer designation2-1/2 in OD rear port1-5/8 in OD (approx 41 mm)
Mating diameter (mm)6441

Questions and answers

Which has the higher mating diameter, Dewalt Dwe7491 Rear or DW Miter 779?

On mating diameter, Dewalt Dwe7491 Rear leads: 64 mm versus 41 mm.

How do Dewalt Dwe7491 Rear and DW Miter 779 compare?

On mating diameter, Dewalt Dwe7491 Rear leads: 64 mm versus 41 mm.

Compared here

DeWalt DWE7491RS rear dust port dust port sizeDeWalt DWS779 / DWS780 miter saw port dust port size