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| Last updated on August 8, 2025
June 13, 1950, finds three Fairbanks-Morse H20-44 end-cab road-switchers and 4-8-2 No. 7019 at Union Pacific’s San Bernardino (Calif.) engine house. The F-Ms had taken over Cajon Pass helper chores in 1948. When they were found wanting, UP brought steam back for a spell in 1950–51.
Chard Walker photo
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Note that UP 4-8-2 (“Mountain” type) #7019 was built in 1922 and retired in 1954.
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Remember that the agile H20-44 was the most powerful switcher Fairbanks-Morse cataloged. It was also powerful true switcher ever built at 2000 horsepower… Today, Union Pacific’s two FM H20-44s are preserved: #DS-1366 at the San Diego Railway Museum and #DS-1369 at the Illinois Railway Museum.
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