Wandering around the former Cotton Belt shops now occupied by the Arkansas Railroad Museum finds 3 unique locomotives sitting on the transfer table tracks.
Little Rock and Western C-420 102 was originally Louisville and Nashville 1306 built by ALCO in 1966.
Seaboard Air Line RS11 352, ex. Arkansas-Oklahoma Railroad 352, exx. Carroll County Railroad 352 1997, exxx. Indiana Box Car Company 352 1986, exxxx. Indiana Hi-Rail 352, exxxxx. Indiana Hi-Rail 952 1986, exxxxxx. Louisville and Nashville 952, exxxxxxx. Seaboard Coast Line 1204 1967, nee Seaboard Air Line 102.
Vintage Locomotive Works U23C 2300, originally Lake Superior and Ishpeming 2300 was the first U23C built. Thanks to hawkinsrails.net for the info!