WalthersMainline HO EMD GP9 Scale: HO (1:87.1) Price: Direct-current model with 21-pin DCC plug and factory-installed 28mm round speaker, $159.98; with dual-mode ESU Sound & DCC, $214.98 ...

A new run of the WalthersMainline HO scale EMD GP9 was recently released. Model Railroader Senior Editor Cody Grivno shares a brief history of the Electro-Motive Division road switcher and Central ...