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 ...

The Big Boy is back, baby! Following five years of restoration, Union Pacific’s (UP) “Big Boy” 4014 steam locomotive made a public appearance this past weekend —departing a UP shop in Cheyenne, Wyo., ...

CHEYENNE – Union Pacific announced its schedule for steam operations this week, including plans for the long-awaited Big Boy 4014. The Big Boy will hit the tracks after more than two years of ...

CHEYENNE, Wyo. — The world's largest steam engine will be making whistle stops across the United States during two tours planned for summer and fall. Union Pacific’s famed Big Boy No. 4014 ...

Spectators take pictures of the historic Union Pacific Big Boy No. 4014 locomotive at Metrolink Station in Covina, Calif., on Jan., 26.

Union Pacific’s famed Big Boy No. 4014 will depart Cheyenne on Thursday, July 28 and will be on display Friday, July 29 in the Mile High City.

CHEYENNE — Union Pacific Railroad ended its eight-week Big Boy No. 4014 “Heartland of America” tour a little over a month ago, and Ed Dickens and the Steam Team are looking full-speed ahead ...

It's coming back! Union Pacific's Big Boy No. 4014 is returning to Denver from Cheyenne, Wyoming. It was last in the Mile High City over the Labor Day holiday weekend.

Union Pacific reacquired No. 4014 from the RailGiants Museum in Pomona, California, in 2013, and relocated it back to Cheyenne to begin a multi-year restoration process.

The last was retired in 1962. Union Pacific donated No. 4014 in 1961 the RailGiants Train Museum. A year later the locomotive arrived in Pomona, according to a company news release.

The train departs for Cheyenne on Saturday morning. CBS Union Pacific took delivery of Big Boy No. 4014 in December 1941. It was retired in 1961 after traveling 1,031,205 miles in 20 years.