GG1 Electric -- DCC Ready PRR - SILVER W/RED STRIPE "CONGRESSIONAL" - #4866 - HO Scale. The electric GG-1 was introduced in the 1930s by the Pennsylvania Railroad, which needed a locomotive that could carry more rolling stock at greater speeds. Its dynamic streamlined design captured the publics imagination and made it the star of countless movies and advertisements. This DCC-ready model features include all new tooling, die-cast frame, 12-wheel drive, twin operating metal pantographs that can be powered by overhead wire if desired, soft white LED directional headlights with dimming function and E-Z Mate Mark II couplers. Factory-installed 8-pin socket ready for DCC decoder installation of your choice. Performs best on 22" radius curves or greater.