New ES44AC's. CN 5459 creeps through CN Junction as it leads a transfer run down to CN Harrison Yard. Included in this run are CN 3837, CN 3172, CN 3171, and CN 3836.
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.
