2026 Proven Industries 2517-D1AC 2 5/16 Demco Style Cast Trailer Couplers- 2517-D1AC

Model 2517-D1 was designed to fit Demco style Cast trailer couplers. This style trailer coupler is usually found on heavy duty enclosed car trailers such as those used in show car transportation applications, Demco style trailer couplers will be found on enclosed car trailers, but in some cases trailer manufacturers offer Demco couplers on non-commercial trailers as an upgrade.

Fine Print

Trailer coupler lock model 2517-D1 may not fit all trailer couplers. Please look at trailer coupler lock index pictures below, if you do not see your trailer coupler picture contact your Dealer Representative for more information. Coupler lock in most cases can secure 5/16 safety chains hooks, we can not guarantee all chains hooks will fit due to all the different manufactures sizes.