HO scale model trains are a significant part of model railroading history, and we can partially credit the overall popularity of model trains with the rise of a convenient, tabletop scale like HO.

Model Railroader Senior Editor Cody Grivno takes a closer look at the WalthersProto HO scale EMD GP7. Cody first explores the prototype history of the GP7, noting that Electro-Motive Division produced ...