Space for S3L, G for K3LA, H for P3, J for K5LA, the four most common horns on these engines. Engine here is the Ex-Norfolk Southern EX-Southern variant, but there are a heck ton of others.
Owner: Reading Blue Mountain & Northern Model: EMD SD40-2 Built As: SOU 3327 (SD40-2) Serial Number: 786242-15 Order No: 786242 Frame Number: 786242-15 Built: 5/1979 Notes: ex-SOU Other locos with this serial: NS 3327(SD40-2) SOU 3327(SD40-2) RBMN 3059(SD40-2) Admiral cab. Was a highhood on the southern and its early days on NS.