Illinois Central 121
Illinois Central 121 (IC #121) was a diesel streamliner built in 1936 by Pullman-Standard and powered by Electro-Motive Corporation, which was used by the Illinois Central Railroad on the Green Diamond. Its fixed five-car consist was also the end of an era; the popularity of the early streamliners was their undoing, because the trains could not be lengthened or shortened to handle varying loads.