
CSX GP38-2 2557 started out life as Durham & Southern #2001 "Bull Durham 2" and later became SCL 2557 before being absorbed into CSX. The former D&S engines are/were the only GP38-s on CSX without dynamic brakes, I believe.
HO RTR GP38-2, CSX by Bachmann Industries
N GP38-2 Loco CSX by Wm. K. Walthers
HO TrainMan GP38-2, CSX/YN3 #2795 by Atlas Model Railroad