Canadian Pacific train No. 177 descends Kicking Horse Pass exiting the west portal of upper Spiral Tunnel at Yoho, British Columbia, on September 16, 2002. The westbound train is pulled by three matching Multi-mark CP Rail SD40-2s—Nos. 6010, 5666 and 5817.
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.