While CSX is notorious for leasing more power than it likely owns (up until recently anyway), UP is probably just as guilty as everyone else of selling off their old units, and then invariably leasing the very same power back into their fleet. Case in point in this shot.
Here, a UP crew backs down onto the mainline from a siding in the Hays way yard with UP SD40T-2 #8803 and GMTX GP38-2 #2682.
Canon EOS 30D
Canon EF 20-35mm f/3.5-4.5
ISO 400 @ 1/500, f/7.1