The MTH Electric Trains HO Scale Alco PA/PB diesel locomotives feature the Digital Command System (DCS) and the Proto-Sound 3.0 system. See and hear the locomotives in action as they haul a streamlined passenger train around our model railroad.
Video: MTH HO scale Alco PA/PB set
By Angela Cotey | June 4, 2012
| Last updated on November 3, 2020
Watch this sound-equipped HO scale diesel locomotive in action on the Model Railroader staff's model train layout
