A yard power set of two SD40N's and an SD70ACe pull a cut of autoracks down the west yard lead at UP's Global 3 Intermodal Terminal as they build an outbound train.
Locomotives: UP 1923 SD40N UP 1822 SD40N UP 8340 SD70AH
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.