This old GM&O engine has seen better days. Seems the 631 needs a little attention. This unit is parked within a fence near FSI, Inc in downtown Mobile.
The UP MNLMEC 23 (transfer to the CSX in Memphis) crosses under the old MoPac signal bridges in Bald Knob as UP 4138 sits to the side waiting a crew to bring her down to the QNLCH 23.