How to Model in Sn3

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Sn3 Couplers

Most Sn3 modelers use the Kadee #4 coupler (an HO-scale coupler that is now discontinued). If you are an old-time modeler (as in modeling era, not your biological age!), Wiseman Model Services produces link-and-pin couplers that fit in the Kadee #4 draft box. A Kadee #5 (similar sizes in other brands) is also a close match for a Sharon coupler (which measures 13-1/2" tall in the real world).

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