2 MRL SD70ACe's lift a light Laurel, MT-Missoula, MT manifest up 2.2% grade of Mullan Pass. In a mile the train will duck into Blossburg Tunnel and cross under the Continental Divide.
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.