Big Boy 4014

CSX TRANSFLO in Petersburg, Va., is now open. It offers access to key markets via I-95, I-85 and US-460. (Courtesy of CSX)

Class I Briefs: CSX, BNSF, UP

CSX opens the TRANSFLO Petersburg Terminal in Virginia. Also, BNSF earns a Building Together Award from Economic Development Corporation of Utah; and Union Pacific’s (UP) Engineering team creates a digital twin of Big Boy No. 4014.

UP’s Big Boy Celebrates America’s 250th Birthday With Coast-to-Coast Tour

Union Pacific (UP) is joining in the celebration of 250 years of American independence and innovation this year with its first-ever coast-to-coast steam tour led by Big Boy No. 4014. The world’s largest operating steam locomotive will be joined by two commemorative locomotives, including the railroad’s newest locomotive: No. 1776 – America250.

Big Boy Upgraded With Self-Contained PTC

The PTC (Positive Train Control) system on Union Pacific Big Boy 4014, the world’s largest operating steam locomotive, has been upgraded with a self-contained technology, which means the massive locomotive can operate

Railway Age, October 4, 1941: UP’s “Big Boy” debuts

The only operating example in the world of the largest steam locomotive ever built thundered her way, in May 2019, from Union Pacific’s Steam Shop in Cheyenne, Wyo., to Ogden, Utah, to take part in ceremonies marking the 150th anniversary of the Golden Spike, which completed the nation’s first transcontinental railroad.

UP: A return to steam for Big Boy 4014

One of the largest and perhaps most famous steam locomotives ever built—Union Pacific’s articulated 4-8-8-4 “Big Boy” No. 4014—will be restored to operating condition by UP’s Cheyenne, Wyo.-based Heritage Fleet Operations within the next five years. 4014 will join UP’s two other famous steam locomotives—4-6-6-4 Challenger 3985 and 4-8-4 Northern 844—in excursion service when her restoration is completed. She will become the world’s largest operational steam locomotive.