The aging EMD F cab units were replaced by hood units from Electro-Motive. In this transparency by my brother David, GP38AC No. 732 rests in the Bloomington yard area in June 1974, still wearing its GM&O colors and number two years after the merger of the GM&O and Illinois Central that created the Illinois Central Gulf. This unit was later renumbered to ICG 9551. According to roster information provided by Tom Parker, it was wrecked on November 27, 1989 and sold for parts to rebuilders VMV Enterprises of Paducah, Kentucky.