Imagine my surprise at finding this one one a kind just by chance one day on a visit to the yard. Never figured out the bulge on the side and why the unit sounded like an RS-3 instead of an RS-11... (more)
Southern RS-11 #11 (a former Carolina & Northwestern engine) works in Winston-Salem, 8/72.
Alco RS-11 lettered for the Carolina & Northwestern. This was Southern's only RS-11.