Jersey Central 2505, one of the railroad's dozen SD35s, posed at the Bethlehem, PA, engine terminal shared by the CNJ and Reading. The dust probably came from a recent assignment on one of the railroad's cement runs.
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.
