Chicago & North Western 6856 GM EMD SD40-2 diesel-electric locomotive leads a light-engine move with UP 6017 (EMD SD60) in the UP (former C&NW) Proviso yard (Melrose Park, Illinois).
(CNW 6856, CNW, GM EMD SD40-2, CNW locomotives, Locomotives, photographed on 2 October 1998 at Proviso Yard). Image size is available.