The U23B’s direct competitor during this period was the very successful EMD GP38. CSX predecessors Chesapeake & Ohio and Louisville & Nashville had a combined fleet of 120 units, giving CSX one of the larger active fleets in later years.
The U23B’s direct competitor during this period was the very successful EMD GP38. CSX predecessors Chesapeake & Ohio and Louisville & Nashville had a combined fleet of 120 units, giving CSX one of the larger active fleets in later years.