Some small talk at Up's Las Vegas yard, showing the impressive DD40X. Pretty bad weather this day.

After spending the night camped next to the Kelso depot, the first eastbound of the morning had a big surprise, DD40 UP 6936 on the point! The train has stopped to switch out cars in the small Kel... (more)

I'm standing on the steps and the famous old tower, still manned at the time, probably sipping ice tea. Jay, the tower operator, allowed me to hang out in air conditioned comfort while waiting fo... (more)

CHEYENNE WY Oct 19 1977 — Union Pacific DDA40X 6939 is near Cheyenne with a mixed freight. The Centennial was sold for scrap to St. Louis Auto Shredding, East St. Louis, Ill., on October 24, 198... (more)

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)

Right at Home Union Pacific "Centennial" DDA40X 6936 is spending its first morning inside its new home at the former Rock Island shops in Silvis, Illinois. The historic unit was ... (more)

Dale WY Oct. 19 1977 — Union Pacific DDA40X 6901 hauls a TOFC-COFC train west on track two over Dale Creek fill. UP donated the 6901 to the city of Pocatello ID in 1985. It was delivered on Nov ... (more)

Sitting in the deadline in Union Pacific's Yermo Yard is UP DDA40X 6920. This engine was built by EMD in November 1969, one hundred years after the driving of the Golden Spike, and being construc... (more)

Power-starved UP had to pull everything off the shelves in early 1984 and for a few months Centennials were back in service. This included Feather River Canyon. Here is 6927 winding its way throug... (more)

Scenes like this were common during the Cheyenne Frontier Days while the train rested before returning to Denver. In 2022, it was announced The Centennial #6936 is leaving the UP Heritage Fleet b... (more)

A Union Pacific freight, with DDA40X 6945, SD40-2 3235 and SD40s 3002 and 3004 for power, crests Cajon Pass as it heads east. (Summit, Cajon Pass, California – March 5, 1976)

UP 6933 leads an eastbound intermodal hotshot over the top of the Blue Mountains of Oregon at Meacham. The lash up is their typical DD40AX-SD40-2-DD40AX consist.

UP DD40AX 6945 and mate get serviced at Albina Yard in Portland, OR after handling a priority freight west over the Blue Mountains and through the Columbia River Gorge. The line east from Portland... (more)

An eastbound runthrough freight from North Platte, NE to Chicago (Proviso Yard) slows to a stop to change from UP to CNW crews. I would join the crew with a couple others from CNW's Corporate Indu... (more)

After Rocky Mountain Railroad Club’s 1985 Denver-Laramie round trip reached Speer Junction, Wyoming, one of the largest diesels ever built replaced the largest active steam locomotive on the pla... (more)