An eastbound UP stack train runs around EMD 7011 East at Stockridge. UP experimented with several SD70M demonstrators during this period before purchasing hundreds of the model.
2 EMDX demos lead T411 through Akron after a considerable delay due to an eastbound autorack pulling a drawbar and having to wait for 7 other eastbounds to run around it.
Maybe it was an SD55. In any case EMDs test string was reportedly working on the Saluda grade which was still open then. These units varied in many features over the years and were iinteresting ... (more)