4 Blue Box Special Final Reveal

Final Reveal of the Athearn Blue Box F7 and three SD40-2 Olympic Special Edition, all Southern Pacific. The F7 number 6441 is a pre-1981 standard model in the Southern Pacific Daylight scheme. The SD40-2s are mid-1980s version. All of them have dual sugar speakers with the SD40s in a subwoofer configuration and the F7 in long speaker cabinets. The decoders are Tsunami2 EMD with the F7 using a decoder mini-buddy. All them have nano-led truck lights and smd cab lights.