| Seaboard System GP16 #4772 was built October 1950 as Charleston & Western Carolina Railway GP7#203. Unit later became Atlantic Coast Line #257, then Seaboard Coast Line #857. In October 1981, unit was rebuilt as GP16 and became Seaboard Coast Line #4772 and later re# CSX 1818. Unit was retired February 18, 1983 and became Buckingham Branch Railroad (BB) #1818 and was later re# BB 3 |