Two machinists work on an EMD HTCR-II truck used under SD70M locomotives during the rebuild process in the truck shop at Union Pacific’s Downing B. Jenks locomotive shop at North Little Rock, Ar... (more)

UP 4141 resting at Jenks in NLR after partaking in its adventure across the US.

Union Pacific EMD SD70M No. 4895 has just been overhauled and repainted as it sits outside in the rain at the railroad’s Downing B. Jenks locomotive shop at North Little Rock, Arkansas, on May 2... (more)

Union Pacific GE ES44AC No. 5401 gets repainted at the railroad’s Downing B. Jenks Shop in North Little Rock, Arkansas, on May 18, 2015. Two workers are busy adding Scotchlite lettering and stri... (more)

Locomotives receive overhauls in the main shop building at Union Pacific’s Downing B. Jenks Shop at North Little Rock, Arkansas, on May 18, 2015. UP SD40-2 No. 3151 is being rebuilt into a SD40... (more)

A manifest crosses the Arkansas River with the Little Rock skyline as it's background.

An SP-patched GP60 sits in front of the Downing B. Jenks locomotive facility for perhaps the last time in this paint scheme.

Sitting in the same spot as it has for several years, 1390 lives the rest of it's life in a scrap yard.

Locomotives in various stages of overhaul work line the north transfer table at the railroad’s Downing B. Jenks Shop in North Little Rock, Arkansas, on May 19, 2015, while a recently rebuilt Uni... (more)

Union Pacific ES44AC No. 5401 has lettering and graphics applied inside the paint shop at the Downing B. Jenks Shop at North Little Rock, Arkansas, by painter (carman by trade) Gary Dunlap on May ... (more)

A HTCR-II truck used under an EMD SD70M locomotive is in the process of being rebuilt in the truck shop at Union Pacific’s Downing B. Jenks locomotive shop at North Little Rock, Arkansas, on May... (more)

At Union Pacific’s Downing B. Jenks Shop in North Little Rock, Arkansas, Gary Dunlap, a carman by trade, carefully applies the winged nose logo to UP GE ES44AC No. 5401 during the painting proce... (more)

A Union Pacific electrician rebuilds a locomotive main generator in the general shop at UP’s Downing B. Jenks Shop at North Little Rock, Arkansas, on May 18, 2015. A lot of different skills and ... (more)

General Electric AC4400CW No. 6781, EMD SD70M No. 5146 and EMD SD9043MAC No. 3681 sit outside Union Pacific’s Downing B. Jenks Shop at North Little Rock, Arkansas, on May 19, 2015.

The side of Union Pacific EMD SD70ACe No. 4141 is lettered for the George Bush 41 Presidential Library and Museum, where this specially-painted locomotive will likely soon end up. On May 18, 2015,... (more)