Every Union Pacific Big Boy Ever Built, in Photos
Many consider the Union Pacific Big Boy to be the…
History
The Union Pacific Big Boy Story, 25 Massive Locomotives
The Union Pacific Big Boy steam locomotive was introduced at…
The Last Big Boys & Where To See Them
Union Pacific #4014 is a survivor and operating, but there are others of these steam giants that survive. Here is a list including a brief history of each and location.
How did Big Boy come to be called Big Boy?
The 4000 Class of locomotives, the Union Pacific Big Boys, were never expected to be named Big Boy. What were they to be named? And how did they get the “Big Boy” moniker? Read on!
Why the need for Big Boy’s Power?
Union Pacific needed big power because it had big geography to contend with as it crossed the continent. Find out how Big Boy finally tamed the Wasatch Mountains.