Which one is not like the others?
Paint schemes and horsepower don't offer any clues here as these are EMD x40s, each painted in a different color. But the 3rd locomotive of EDPO's power set rides on B-B trucks unlike the other three units. An alternative response would be that SD40 604 doesn't feature a dynamic brake blister. GRS/Pan Am power has often been varied and interesting!
Photographed by John Barlow, July 16, 2015.
Added to the photo archive by John Barlow, February 2, 2019.
Railroad: Pan Am Railways.
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