Union Pacific 'Big Boy' No. 4014 thunders through a remote cut just west of Sierra Blanca, TX.

Union Pacific's Mojave Subdivision is the former Southern Pacific Palmdale Cutoff, completed in 1967. This is the western edge of San Bernardino, known as Slover on the railroad. On October 9, 2... (more)

A photo years in the making...It has already been so many years since Union Pacific asked Railgiants for the opportunity to bring 4014 back to life. The planning and preparation for the RailGiants... (more)

With it's final trip over Cajon Pass almost complete, UP 4014 and it's pair of diesel helpers ease their 23-car passenger train downgrade into Devore as they head for the train's final destination... (more)

Union Pacific's "Big Boy" steam locomotive, No. 4014, gets the chance to stretch its legs on the winding desert floor as it passes through the community of Hodge. The original AT&SF righ... (more)

UP 4014 prepares to leave home rails once again and enter BNSF's Transcon route as it leans into the curve at Daggett.

Breathing Fire. UP 4014, the largest operating steam locomotive in the world, is truly an awe inspiring sight even just building steam pressure in the early morning light. As the sun has ju... (more)

At the conclusion of the doubleheaded westbound run from Cheyenne to Ogden, the Big Boy and 844 were split at the south end of Union Pacific's Ogden Yard, to be staged at different locations for t... (more)

My very first encounter with the living, breathing, UP Big Boy, was this sloppy wet, chilly, and windy scene at Castle Rock, Utah, as the westbound Golden Spike Anniversary train appeared around t... (more)

Union Pacific’s superlative Big Boy locomotive #4014 effortlessly glides down the grade in Cajon Pass past the massive Mormon Rocks formation. Passing over a wash, the fireman is gazing out the ... (more)

Union Pacific Big Boy 4014 in the Yuma, AZ yard at golden hour

4014 cruises easy through Devore after finishing its journey down Cajon Pass. Next stop: Colton yard for a few days of display before the RailGiants Train Museum Excursion back up the pass to Vict... (more)

What a sight! 4014 ventures through Cajon Pass for the first time under its own power, 5.5 years after it was towed behind 2 diesels to Cheyenne for restoration. About an hour later, 4014 would ar... (more)

Normally, a midday northbound on a north-south line would be the least ideal situation, but storms quickly approaching from the southwest created the opportunity to do something different.

UP 4014 charges up the steep grade at Fenner