SCL 520
This loco was built in 4/1973 with EMD serial number 72785-21. She was built as a freight roadswitcher, model GP38-2 .
She became SBD 520 at the creation of the Seaboard System railroad.
She was renumbered SBD 2520 at some point.
She became CSXT 2520 at the creation of the CSX railroad.