The Athearn HO scale Ready-to-Roll Electro-Motive Division SD40 features many roadname-specific details. The model also features a SoundTraxx Digital Command Control (DCC) sound decoder. Watch the SD40 work a freight train on the Model Railroader staff’s Troy Branch model train layout.
Video: Athearn HO scale SD40 with SoundTraxx DCC
By Faith Finfrock | January 26, 2016
| Last updated on November 7, 2022
The Athearn Trains HO scale locomotive features a factory-installed SoundTraxx Digital Command Control sound decoder
