After numberous breakdowns due to a brutal frigid air mass, the South Schenectady/Rotterdam local limps back to Selkirk Yard after a difficult sub-zero morning. Apparently these new GEO rebuilds are not big fans of Arctic temps.
The EMD SD (special duty) series are a strong and reliable kind of locomotive which still serve America's rails today. They have proved themselves reliable by clocking in several million miles of freight service over several decades.