ALCO HH series
The ALCO HH series were an early series of switcher diesel-electric locomotives built by the American Locomotive Company (ALCO) of Schenectady, New York between 1931 and 1940, when they were replaced by the S series; the 660 hp (490 kW) S-1 and 1,000 hp (750 kW) S-2. They were ALCO's first diesel switchers to enter true series production, and among the very first land vehicles anywhere to utilise the revolutionary diesel-electric power transmission. A total of 177 of the HH series were produced; this comprised one prototype and four production models of varying power outputs.
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ALCO HH series
The ALCO HH series were an early series of switcher diesel-electric locomotives built by the American Locomotive Company (ALCO) of Schenectady, New York between 1931 and 1940, when they were replaced by the S series; the 660 hp (490 kW) S-1 and 1,000 hp (750 kW) S-2. They were ALCO's first diesel switchers to enter true series production, and among the very first land vehicles anywhere to utilise the revolutionary diesel-electric power transmission. A total of 177 of the HH series were produced; this comprised one prototype and four production models of varying power outputs.
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The ALCO HH series were an ear ...... dels of varying power outputs.
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730,135,229
aspiration
HH600/660: Naturally aspirated;
HH900/1000: Turbocharged
Caption
Portland Terminal Company HH600 #1004, photographed at Portland, Maine in 1968.
poweroutput
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HH600/900: McIntosh & Seymour 531;
HH660/1000: McIntosh & Seymour 538
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The ALCO HH series were an ear ...... dels of varying power outputs.
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ALCO HH series
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ALCO HH series
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