Webb 66866B cross reference.

The Webb 66866B is a 16.5″ × 10.54″ heavy-duty truck brake drum with 10 bolt holes on a 11.25″ bolt circle. It interchanges with 2 other part numbers. TBP Auto manufactures brake drums to this spec in Vietnam — zero US AD/CVD duty, quoted within 24 hours.

DRUM SPECIFICATIONS

Brake surface diameter16.5″

Width10.54″

Height13.38″

Hub pilot8.78″

Bolt circle11.25″

Bolt holes10

Hole diameter0.94″

TypeTransit Drum

ALSO CROSSES TO

DAYTON 85-123658-02GILLIG 82-17652-000

WE CAN MAKE THIS DRUM

Manufactured to spec, quoted within 24 hours.

Webb 66866B is in our reference database with full dimensional data. We manufacture to OEM drawings with G3500 gray iron and full batch traceability. Send the part number and quantity.

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