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Video: Athearn HO scale SD40 with SoundTraxx DCC

The Athearn Trains HO scale locomotive features a factory-installed SoundTraxx Digital Command Control sound decoder
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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.

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