Union Pacific has rebuilt a good portion of their fleet of SD40-2s, giving them new life on the rails! After the rebuild, the units are now designated as SD40Ns. One such example was on the eastbound MRONY (Manifest, Roper, UT to North Yard, CO). It is so amazing to not only see SD40-2s still on Class One rails in 2015, but to see them flourishing!
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