The ET44AC, for Evolution Series Tier 4, is the 4,400 horsepower alternating current locomotive that replaced the ES44AC. Nearly every Class I freight railroad owned the type, the exceptions being BNSF Railway and Canadian Pacific, although BNSF ordered ET44ACH units in late 2023 and Canadian Pacific ordered ET44ACs only in late 2024, after the CPKC merger of April 2023. Union Pacific and CSX designate their units ET44AH, and Union Pacific also calls them C45AH. BNSF calls its units ET44ACH because they are ballasted to 436,320 pounds. The ET44AC shares the GE GEVO engine of the rest of the Evolution Series.
Facts
Engine Class Connections
Exemplifies
Source GE Evolution Series (Wikipedia)
Of Make
Source GE Evolution Series (Wikipedia)
In the Other Atlases
Manufactured By
Also in Business Atlas: the manufacturer of this subject.
Source GE Evolution Series (Wikipedia)Lead, builderQuote, Lead, builder
The Evolution Series is a line of diesel locomotives built by GE Transportation Systems
Originated In
Also in Geography Atlas: where this subject originated.
Source List of GE locomotives (Wikipedia)Introduction, place of buildQuote, Introduction, place of build
All were/are built at Fort Worth, Texas or Erie, Pennsylvania, in the United States.
Sources
1. American-Rails.com: General Electric locomotives (American-Rails.com)
American-Rails.comLocomotive Models, road-switchers and road locomotives table, date built
ET44AC 787 2014-2020 4,400
Locomotive Models table, units built
ET44AC 787 2014-2020 4,400
Locomotive Models table, date built range has closed
ET44AC 787 2014-2020 4,400
View the Source 2. GE Evolution Series (Wikipedia)
Lead, diesel fuel
a line of diesel locomotives
Lead, engine
All are powered by the GE GEVO engine.
ET44AC section, rating
The ET44AC (Evolution Series Tier 4, 4400 hp, AC traction) replaces the ES44AC model.
Lead, builder
The Evolution Series is a line of diesel locomotives built by GE Transportation Systems
Exemplifies: Rail Transport, Lead, locomotive
The Evolution Series is a line of diesel locomotives built by GE Transportation Systems
In Group: American Diesel-Electric Road Locomotives, Lead, diesel locomotive
The Evolution Series is a line of diesel locomotives built by GE Transportation Systems
View the Source3. List of GE locomotives (Wikipedia)
Evolution Series, engineQuote, Evolution Series, engine
which produces the same power from twelve cylinders
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