Union Pacific Railroad is celebrating Presidents Day with the unveiling of its newest commemorative locomotive honoring ...

Union Pacific’s (UP) newest commemorative locomotive will pay tribute to America’s 16th President, Abraham Lincoln, who created the railroad and connected the nation through the transcontinental ...

They were versatile locomotives. Union Pacific wanted to eliminate double-heading and helper locomotives, and these monsters did just that. Christened Big Boy by workers at the American Locomotive ...

Instead, this is a steam turbine, nothing like the 1920s and 30s experiments with conventional locomotives, nor even the Union Pacific’s oil-fired condensing turbo-electrics. The new idea here ...

Just days after we wrote about the problem of trying to introduce cleaner locomotives into existing railway's fleets, Union Pacific Railroad has unveiled the first of 60 new environmentally ...

Union Pacific Big Boy Loco Add-On The Union Pacific Railroad's Big Boy 4-8-8-4 steam locomotive is undoubtedly the beast of American railroading history, and this epitome of heavy haulage is now ...