The Athearn Trains HO scale Southern Pacific SD40 features prototypical details and realistic sound effects thanks to a Ready to Roll SoundTraxx decoder. Watch the diesel locomotive model as it hauls a freight train on the Model Railroader staff’s Milwaukee, Racine & Troy model train layout.
Video: Athearn HO scale Southern Pacific SD40
By Faith Finfrock | April 19, 2017
| Last updated on November 7, 2022
The Athearn Trains Ready To Roll HO scale SD40 includes a dual-mode SoundTraxx DCC decoder
