EC87K

Closer to the real thing.

A coupled pair of EC87K HO scale couplers

Ready for your workbench.

Assembly, installation,
and finishing touches.

Find your guide
AFC assembly fixture holding a coupler
A Prototype Couplers casting being held during manufacturing

The Sergent tradition.
Carried forward.

Original tooling. In-house investment casting. A family business in Vermont, keeping scale couplers in the hands of model railroaders.

Meet Prototype Couplers

From our workshop.

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