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The Union Pacific Big Boy: Still The World's Most Powerful Steam Engine
a locomotive delivered by Union Pacific Railroad in December of 1941, still holds distinction in the Guinness Book of World ...
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The 5 Most Powerful Steam Engine Trains Ever Built
For example, some say that the Union Pacific ... the list of the most powerful engines ever built. So, let's explore these impressive beasts. Read more: 11 Of The Oldest Locomotives Still In ...