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 president ... (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 Nort... (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)

Getting its wings
Painter (carman by trade) Gary Dunlap applies Union Pacific wings and logo to the nose of ES44AC No. 5401 at Jenks Shop at North Little Rock, Arkansas, on May 18, 2015... (more)

While locomotives are overhauled, long hoods are removed and spotted elsewhere for safe keeping. On May 18, 2015, Union Pacific SD40-2 No. 3320 is going through the process of being rebuilt into a... (more)

Workers replace the draft gear of Union Pacific GE ES44AC No. 5339 at the Downing B. Jenks Shop at North Little Rock, Arkansas, on May 18, 2015.

DDA40X on display at UP's Downing B. Jenks Shop.

Now that’s a super vac!
During a locomotive rebuild process of cutting, welding, grinding, etc., a lot of debris and other contaminants is generated, in addition to all the dirt accumul... (more)

A welder grinds some fresh weld repairs to a plow at Union Pacific’s Downing B. Jenks Shop at North Little Rock, Arkansas, on May 19, 2015. On the left is EMD SD40-2 No. 3071 which is in the proce... (more)

During a pouring springtime rainfall at North Little Rock, Arkansas, EMD SD40-2 No. 3361 is sitting just outside the main shop building at Union Pacific’s Downing B. Jenks Shop on May 20, 2015. A ... (more)

First shift paint shop supervisor David Smith inspects a Scotchlite Union Pacific shield and wings at North Little Rock, Arkansas, on May 18, 2015. These smaller “baby wings” are used on older sta... (more)

Painter (carman by trade) Gary Dunlap carefully applies the Scotchlite flag decal to the side of Union Pacific ES44AC No. 5401 inside the paint shop at the Downing B. Jenks Shop at North Little Ro... (more)

Union Pacific SD70ACe No. 4141 sits in the main shop building for minor work at UP’s Jenks Shop at North Little Rock, Arkansas, on May 19, 2015. The day before, the locomotive was given a fresh co... (more)