L&N 1259
This loco was built in 3/1974 with EMD serial number 74608-1. She was built as a freight roadswitcher, model SD40-2 and used primarily in as heavy switchers in various hump yards on the system.
She became SBD 1259 at the creation of the Seaboard System railroad.
She became SBD 8163 at some point.
She became CSXT 8163 at the creation of the CSX railroad.