Western Maryland operated 12 SD40 units. This offering is from the #7470 â 7474 group built in August of 1966. In 1972 the units were renumbered as #7570 â 7574 and conveyed to the Chessie System. Known for the flashy paint scheme, the Chessie System continues to be popular with many railfans.
HO ATH SD40 Locomotive, WM #7573 Video Overview
Western Maryland operated 12 SD40 units. This offering is from the #7470 â 7474 group built in August of 1966. In 1972 the units were renumbered as #7570 â 7574 and conveyed to the Chessie System. Known for the flashy paint scheme, the Chessie System continues to be popular with many railfans.