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DD35Bs at Dale Creek Junction, Wyoming

Four Union Pacific diesel locomotives, including two cabless "booster" units, leading an eastward freight train toward the summit of Sherman Hill in Wyoming on September 18, 1977. The booster units are eight-axle DD35Bs built by General Motors' Electro-Motive Division. Cabless booster units were common among first generation diesels of the 1940s and 1950s, but with the introduction of more powerful second generation locomotives in the 1960s, most railroads preferred the flexibility of having cabs in all of their locomotives. Only Union Pacific and Southern Pacific ordered second generation booster units (see record 2063 for another model). Both railroads operated long, heavy freight trains across great distances in the west using several locomotives, and Union Pacific, in particular, regularly experimented with exceptionally large steam and diesel locomotives. These DD35Bs, built in 1964, were retired in 1979, just two years after this photograph was taken.
Alternate Title Second Generation Diesel Booster Locomotives on Union Pacific Mainline (editor's title)
Source Richard Neumiller, Peoria, Illinois
Coverage Spatial, Dale Creek Junction, Wyoming; Temporal, September 18, 1977
Rights Richard Neumiller
Date Created 1977-09-18
Resource Type
Extent 35mm
Depicted Railroad
Location Dale Creek Junction, Wyoming
Equipment, Locomotive DD35Bs #78B and #92B; SD40-2s #3181 and #3231
Builder, locomotive Electro-Motive Division, General Motors Corporation
Creator Description Richard Neumiller, a native of Peoria, Illinois, took his first railroad slides at the Chicago Railroad Fair in 1950. His photographic activity increased while at Knox College in Galesburg, where he graduated in 1953. He served on the Peoria city council from 1973 to 1984, and as mayor of Peoria in 1984-85. He retired from the Central Illinois Light Co. in 1996, but remains active as a photographer.
Collection Richard Neumiller Collection
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