Union Pacific GE ES44AC No. 5401 has just received a coat of Armour yellow paint in the paintshop at UP’s Downing B. Jenks Shop in North Little Rock, Arkansas, on May 18, 2015. Up next after a p... (more)

Gary Dunlap, a carman by trade, carefully applies the winged nose logo to UP GE ES44AC No. 5401 during the painting process in the paint shop at Union Pacific’s Downing B. Jenks Shop at North Li... (more)

Union Pacific SD40-2 No. 3320 is going through the process of being rebuilt into a SD40N at UP’s Jenks Shop at North Little Rock, Arkansas, on May 18, 2015. No. 3320’s hood waits outside the s... (more)

Union Pacific electrician Robert Davis rebuilds a locomotive generator in the general shop at UP’s Downing B. Jenks Shop at North Little Rock, Arkansas, on May 20, 2015. Many skills and crafts g... (more)

At North Little Rock, Arkansas, Union Pacific EMD GP15-1 Y559 sits on Track 6 at UP’s Downing B. Jenks Shop on May 18, 2015.

The main shop building at Union Pacific’s Downing B. Jenks Shop at North Little Rock, Arkansas, has a large group of locomotives in for rebuild and overhaul on May 19, 2015, including UP SD40-2s... (more)

Just after getting some touch up paint work is Union Pacific No. 4141 inside the paint shop at UP’s North Little Rock Downing B. Jenks Shop on May 18, 2015. The specially-painted EMD SD70ACe is ... (more)

Rebuilt traction motors sit outside the main shop building at Union Pacific’s Downing B. Jenks Shop at North Little Rock, Arkansas, on May 18, 2015. EMD SD70M No. 5146 waits for additional work ... (more)

Union Pacific GE ES44AC No. 5430 has just emerged from the paint shop at UP’s Downing B. Jenks Shop at North Little Rock, Arkansas, on May 18, 2015. Sister ES44AC No. 5425 still is in the middle... (more)

GATX (GMTX) GP38-2 No. 2337 sits just outside the paint shop waiting for further work at Union Pacific’s Downing B. Jenks Shop at North Little Rock, Arkansas, on May 18, 2015. Getting cleaned up... (more)

Union Pacific EMD SD70ACe No. 4141 sits partially uncovered at UP’s Downing B. Jenks Shop at North Little Rock, Arkansas, on May 8, 2014. No. 4141 is specially-painted to honor the 41st presiden... (more)

Union Pacific SD70M No. 5147 and GP40M-2 No. 1481 are in the Downing B. Jenks shop for overhaul on May 18, 2014. The former Southern Pacific was numbered No. 7111 after being rebuilt from a Baltim... (more)

Under the watchful eyes of shop employees, an EMD 16 710G3C prime mover is carefully lowered onto the frame of Union Pacific SD70ACe No. 8382 on May 18, 2015, at UP’s Downing B. Jenks Shop in No... (more)

Waiting to be utilized again, rows of used plows are lined up in the outdoor storage yard at the Downing B. Jenk’s Shop at North Little Rock, Arkansas, on May 18, 2015.

Its nice and dry in the Downing B. Jenks shop during a pouring rain at North Little Rock, Arkansas, on May 20, 2015. Sitting just outside the door is EMD SD40-2 No. 3361, while in the background o... (more)