The ALCO C-643DH, also called the Century 643DH, was a twin-engine diesel-hydraulic locomotive and the first diesel-hydraulic road switcher built in the United States. It had a C-C wheel arrangement and generated 4,300 horsepower from two 12-cylinder ALCO 251C engines driving a German Voith hydraulic transmission. Only three were built, all for the Southern Pacific in 1964, numbered 9018 to 9020, to join 21 Krauss-Maffei ML-4000 diesel-hydraulics already on the roster. They spent most of their lives in California's flat San Joaquin Valley. Poor performance of diesel-hydraulics and their foreign-made components led Southern Pacific to sell all three for scrap in 1973, and none were preserved.
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Source ALCO C-643DH (Wikipedia)
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Source ALCO C-643DH (Wikipedia)
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Source ALCO C-643DH (Wikipedia)Lead, builderQuote, Lead, builder
The ALCO C-643DH, also known as the Century 643DH, was a twin-engine diesel-hydraulic locomotive, the first diesel-hydraulic road switcher built in the United States.
Originated In
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Source Wikipedia: American Locomotive CompanyLead, builder nationalityQuote, Lead, builder nationality
was an American manufacturer that operated from 1901 to 1969
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1. ALCO C-643DH (Wikipedia)
Lead, build dates
Only three were built, all for Southern Pacific Railroad in 1964
Lead, production total
Only three were built, all for Southern Pacific Railroad in 1964
Lead, power rating
It had a C-C wheel arrangement and generated 4,300 horsepower (3,200 kW).
Lead, diesel-electric
The ALCO C-643DH, also known as the Century 643DH, was a twin-engine diesel-hydraulic locomotive, the first diesel-hydraulic road switcher built in the United States.
Survival or fate of the model
Dissatisfaction over the poor performance of diesel-hydraulic locomotives, as well as their use of foreign-made components (the hydraulic transmission was of German Voith design), eventually led Southern Pacific to sell the three units for scrap in 1973.
Lead, builder
The ALCO C-643DH, also known as the Century 643DH, was a twin-engine diesel-hydraulic locomotive, the first diesel-hydraulic road switcher built in the United States.
Exemplifies: Rail Transport, Lead, diesel-electric locomotive
The ALCO C-643DH, also known as the Century 643DH, was a twin-engine diesel-hydraulic locomotive, the first diesel-hydraulic road switcher built in the United States.
View the SourceWikipedia: American Locomotive Company
Lead, builder nationalityQuote, Lead, builder nationality
was an American manufacturer that operated from 1901 to 1969
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