Sidewalk Life. At 98 feet long, Union Pacific Railroad 6938 (DDA40X, EMD, 1970) is an impressive sight and a tribute to the "bigger is better" days of railroading. One of 47 built, this uni... (more)

A westbound lead by a DD40X is at Salt Lake North yard. They are parked next to the yard office, Getting a new crew, and inspecting the train. Then it will be off, on it's journey over the LASL.

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

Outside the UP Downing B. Jenks Shop, UP 6938 stands proudly.

UP Dolores Engine Yard

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)

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.

Retired DD40X No. 6938 makes a wonderful display outside of the Jenks Locomotive Shop in North Little Rock. The Union Pacific rostered 47 of these massive machines, which measure in at 98 feet lon... (more)

UP's famous Overland Mail North makes good time along the Columbia River near Viento State Park, Oregon on September 16, 1979 powered by its typical Centennial-Fast Forty-Centennial trio. This was... (more)

Happy 150th North Little Rock! I have held my tongue long enough! This project to get the UP 6938 repainted started a month ago. They had to use heavy equipment usually seen in action at derailmen... (more)

Union Pacific 6938 on display in front of the Jenks Shops.

A severe thunderstorm has moved off to the east, but the lightning continues to illuminate the sky over the Union Pacific Jenks shops and the impressive DD40X UP 6938 that is on display.

Lighting streaks over the top of DD40X UP 6938 as a severe thunderstorm clears North Little Rock and heads east. UP 6938 is on display in front of the Union Pacific Jenks Locomotive Shops.

UP 6938 on display outside of Jenks Shop.