Denco supplier catalog / Part reference

GDH 139589: Heavy Duty Sheave Pulley, 3″

The title identifies a 3-inch heavy-duty sheave pulley.

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Denco catalog number: GDH 139589. Keep the complete supplier number, including prefixes and suffixes. This identifies the supplier catalog listing.

A corresponding manufacturer part number or equivalent component has not been verified. Any manufacturer or designation stated by the supplier is labeled separately below.

Values apply to the exact identifier and scope in the cited source.
Supplier identification factThe title identifies a 3-inch heavy-duty sheave pulley.
Supplier identification factThe description gives a 200-pound load rating, six solid rivets and a 3/8-inch bore.
Supplier identification factMaximum cable diameter is 1/8 inch.
Scope and source limitationThe component load rating is not a whole-door capacity. No exact axle, cable product or door pairing is supplied.

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Sources & scope

  1. Denco accessory source: GDH 139589Denco · US · checked 2026-09-12

Anderson prepared this reference from the listed evidence. Source statements are not an Anderson installation inspection or independent product test. Official documents stay on their publisher’s website.

This is an independent Anderson reference. Manufacturer names identify the equipment and do not imply affiliation or authorized-dealer status. Anderson provides repair service in its listed Connecticut communities.

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