A recently rebuilt Union Pacific SD40N No. 1783 rides the transfer table at the railroad’s Downing B. Jenks Shop in North Little Rock, Arkansas, on May 19, 2015. The former EMD SD40-2 has gone t... (more)

The skeletons of two EMD SD70M cabs, including the old cab from Union Pacific No. 4323, sit in a used parts supply outside the shop buildings at Union Pacific’s Downing B. Jenks Shop at North Li... (more)

A tedious and thankless job that goes with every good paint job is all the work spent prepping and masking before applying paint. Here, several painters mask a portion of Union Pacific SD70ACe No.... (more)

Union Pacific No. 4141 (George Bush 41) was in the paint shop at UP’s North Little Rock’s Jenks Shop for some touch up work after installation of a new plow. At this point, the specially-paint... (more)

Several welders replace worn out floors and sheet metal during Union Pacific SD40-2 No. 3071’s transformation into a SD40N at the railroad’s Downing B. Jenks Shop at North Little Rock, Arkansa... (more)

Union Pacific EMD SD70M No. 4609 gets “sandblasted” and cleaned during prepping for a new paint job in the paint shop at UP’s Downing B. Jenks Shop at North Little Rock, Arkansas, on May 18,... (more)

On May 19, 2015, an EMD HTCR-II truck used under a 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,... (more)

A worker at Union Pacific’s Downing B. Jenks Shop at North Little Rock, Arkansas, makes a thorough inspection of an EMD SD70M, writing up any defects and other work that needs to be done before ... (more)

An EMD HTCR-II truck used under a SD70M locomotive is rebuilt in the truck shop at Union Pacific’s Downing B. Jenks locomotive shop at North Little Rock, Arkansas, on May 19, 2015. Two machinist... (more)

UP 6938 was retired on May 25, 1985 and was cosmetically restored to be put on display in front of the Jenks Shops where it still sits today.

The Centennials were the largest diesel electric locomotives ever built comprising of two engines on one frame they delivered 6,600 horsepower and were only designed and built for the Union Pacifi... (more)

A colorful variety of class 1 power clutters the ready tracks at Missouri Pacific's North Little Rock yard, while an Arkansas P&L train prepares to depart the 100 yard. I don't recall if the GTW p... (more)

Union Pacific GE ES44AC No. 7761 and EMD GP40-2 No. 1383 are being overhauled at the railroad’s Downing B. Jenks Shop at North Little Rock, Arkansas, on May 18, 2015.

Union Pacific EMD DDA40X No. 6938 sits on display in front of the railroad’s Downing B. Jenks Shop at North Little Rock, Arkansas, on May 8, 2014.

Obviously a former Southern Pacific locomotive, Union Pacific EMD GP40M-2 No. 1481 is in for another overhaul at the railroad’s Jenks Shop at North Little Rock, Arkansas, on May 20, 2015. It wil... (more)