SD60 demonstrator EMD-4 leads a train under the former Western Maryland Thomas Subdivision on the Baltimore & Ohio’s St. Lous main at a location known as 21st Bridge in Maryland. The location ge... (more)

After selling 63 of their trouble-plagued SD50’s the Chessie System, mainly for coal train service, EMD quickly dispatched four SD60 demonstrators to the Chessie. In late October, 1985, they wer... (more)