Big Boy 4014 Knowledge Hub
4014 vs 4012
4014 runs and 4012 doesn't, but the two Big Boys came off the same ALCO line in November 1941. Here is how they compare. Of the eight surviving Big Boys,...
4014 vs 4012
4014 runs and 4012 doesn't, but the two Big Boys came off the same ALCO line in November 1941. Here is how they compare. Of the eight surviving Big Boys,...
Big Boy 4014 History Timeline
From the Alco erecting shop in 1941 to a coast-to-coast tour in 2026, here are the milestones in the life of Big Boy 4014. Timeline When What happened November 1941...
Big Boy 4014 History Timeline
From the Alco erecting shop in 1941 to a coast-to-coast tour in 2026, here are the milestones in the life of Big Boy 4014. Timeline When What happened November 1941...
Why Big Boy Has a 4-8-8-4 Wheel Arrangement
A 4-8-8-4 has four leading wheels, two groups of eight driving wheels and four trailing wheels, hinged in the middle so a 133-foot engine can still take a curve. How...
Why Big Boy Has a 4-8-8-4 Wheel Arrangement
A 4-8-8-4 has four leading wheels, two groups of eight driving wheels and four trailing wheels, hinged in the middle so a 133-foot engine can still take a curve. How...
Big Boy 4014 Specifications Explained
Big Boy 4014 is 133 feet long, weighs about 1.2 million pounds and runs at 300 psi. Here is what the specifications actually mean. Numbers on a spec sheet only...
Big Boy 4014 Specifications Explained
Big Boy 4014 is 133 feet long, weighs about 1.2 million pounds and runs at 300 psi. Here is what the specifications actually mean. Numbers on a spec sheet only...
The Complete Guide to Union Pacific Big Boy 4014
Union Pacific's Big Boy No. 4014 is the largest operating steam locomotive in the world. This guide covers what it is, how it works, where it has been, and where...
The Complete Guide to Union Pacific Big Boy 4014
Union Pacific's Big Boy No. 4014 is the largest operating steam locomotive in the world. This guide covers what it is, how it works, where it has been, and where...