Louisville & Nashville SD40-2 #8001 was built March 1979 and later became Seaboard System #8001, then CSX #8001. CSX selected #8001 for its SD40-3 rebuild program and it became CSX #4010; L&N 8148 was built September 1981 and became SBD/CSX 8148; L&N SD40-2 3576 was built October 1974 and became SBD #3576, then SBD #8204, then CSX #8204. CSX selected #8204/3576 for its SD40-3 rebuild program and it became CSX #4022 |