Union Pacific @ Sacramento, CA.
In 1944, Union Pacific and the American Locomotive Company (ALCO) collaborated on the FEF-3, a class of 10 locomotives designed to pull passenger trains at 90 mph. The FEF-3 could reach and regularly run at 120 mph ; one locomotive reportedly pulled a 1,000-ton passenger train at 100 mph. All FEF classes were considered by the Union Pacific to be capable of producing between 4,000 and 5,000 drawbar horsepower.
The FEF-3 class represented the epitome of dual-service steam locomotive development; funds and research were being concentrated into the development of diesel-electric locomotives. Originally designed to burn coal, they were converted to run on fuel oil in 1946. Like the earlier FEF-1 and FEF-2 classes, the FEF-3 locomotives were ultimately reassigned to freight service.
Photographed by Bruce Macdonald, May 2, 1981.
Added to the photo archive by Bruce Macdonald, August 25, 2021.
Railroad: Southern Pacific.
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