Union Pacific "Fast Forties" - Athearn RTR SD40-2 with Econami Sound!

Getting myself primed up for the re-release of Athearn's DDA40X! Check out these "Fast Forties" that ran with the Centennials! Thanks goes out to Athearn for providing these models for review! Check out our channel sponser at http://www.midwestmodelrr.com/ for all your hobby needs! Buy "DG MODELWORKS" T-shirts here... https://midwestmodelrr.com/product-ca... #modelrailroad #athearn #review