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)

Power-short Union Pacific put the Centennials back on the line for a few months in 1984. Here, 6912 tops the summit of Cajon Pass.

The lines formerly operated by Dakota Southern are now being operated by WATCO's Ringneck & Western, meaning that the Dakota Southern equipment has to be removed. A former Missouri Pacific Jordan... (more)

Union Pacific 6904 is stored with three other DD40Xs, along with Missouri Pacific GP38-2s and a long line of UP GP-30B engine. Photo taken with permission.

Union Pacific DDA40X has long been a parts source for the Dakota Southern Railway. It is rumored to be heading to a rail museum in Nebraska. WATCO's Ringneck & Western is the new operator of the... (more)

UP 6941 sits with MKT 213 and other various UP locomotives at the Union Pacific Omaha diesel shops. There were also Missouri Pacific, Western Pacific diesels at the shops, as well as the UP 951 E... (more)

A Centennial EMD locomotive passes under an absolute cantilever signal under a beautiful Wyoming sky. Duplicate Ektachrome. Photographer: Jack Hawkins. John E. Troxler Collection

UP 6911 receives a needed wash likely somewhere in Nebraska during the 70s. Kodachrome - John E. Troxler collection, Photographer Unknown.

Oh what a consist. DD40X 6935 leads a Western Pacific GP35 3001, and UP SD40-2. With a funereal train of the Union Pacific Sulzer's, with UP 64 up front. Sulzer's was a failed experiment, to put a... (more)

After being on display at Portland's Union Station centennial celebration, Union Pacific 6936 departs the Rose City on the point of an intermodal train.