It looks like a MASH unit did a little "battlefield repair work" to the numberboards of CP 4523. This GP38-2 with flared radiators was built in 1978 as UP GP40X 9001. It was later renumbered UP 95... (more)
Storm clouds gather in the background at the east end of Bensenville Yard. CP 4524 (a former GP40X) works a cut of cars while an inbound Metra train approaches.