Big Boy No. 4014 was delivered to Union Pacific in December 1941. The locomotive was retired in December 1961, having traveled 1,031,205 miles in its 20 years in service. Now, Union Pacific is undertaking the movement and restoration of one of the world's largest steam locomotives.
No. 4014 was successfully moved from its display location in Pomona, Calif., to Cheyenne, Wyo., where it will undergo restoration that is anticipated to take three to five years.
No. 4014 in the News
- Locomotive’s Restoration Gives Nebraska Rail Company the PR Equal to the Goodyear Blimp Nebraska Public Television (5/30/14)
- Big Boy Comes Home KMGH-TV - Denver (5/10/14)
- Big Boy arrives in Cheyenne Cheyenne Tribune - May 9, 2014
- Vintage Big Boy steam locomotive returns to Cheyenne KUSA-TV - Denver
- Big Boy locomotive stops in Las Vegas KVVU Las Vegas Slideshow
- Union Pacific's Big Boy No. 4014 shows off in Las Vegas MyNews3 Video, KSNV (4/30/14)
- TRAIN WATCH: Rail fans say goodbye to locomotive San Bernardino Press-Enterprise (4/28/14)
- Union Pacific Retrofits The Big Boy Locomotive Men's Journal (4/23/14)
- Big Boy steam engine to start journey to Wyoming on April 28 Los Angeles Times (4/17/14)
- BIG BOY: Steam engine is ‘Headin’ Home’ The Press Enterprise (4/16/14)
- Big Boy is back: Union Pacific to restore gigantic steam locomotive, among largest ever built U.S. News and World Report (4/15/14)
- Enthusiasm, Expertise Surrounds Big Boy Restoration Community Ties (04/03/14)
- Big Boy steam engine, now near Colton, to visit Vegas, Salt Lake Los Angeles Times (1/28/14)
- Union Pacific Big Boy Locomotive On Road to Restoration News Release (01/23/14)
- Union Pacific Big Boy Locomotive Begins Journey From California To Wyoming News Release (11/14/13)
- Famed Big Boy locomotive to depart Pomona’s train museum Inland Valley Daily Bulletin (8/9/13)
- Union Pacific to restore famed steam locomotive 'Big Boy 4014' LA Times (7/29/13)
- Union Pacific Railroad Acquires Big Boy Locomotive No. 4014 News Release (7/23/13)
Big Boy No. 4014 Videos
- Cheyenne, Wyoming Mayor Richard Kaysen welcomes Big Boy No. 4014 to Cheyenne. (5/8/14)
- Rawlins, Wyoming (5/7/14)
- Wamsutter, Wyoming (5/7/14)
- Green River, Wyoming (5/6/14)
- Granger, Wyoming (5/6/14)
- Evanston, Wyoming (5/6/14)
- UP No. 4014 Project Videos
Photos/Graphics
- No. 4014 Infographic How does No. 4014 stack up against a diesel locomotive, a Boeing 747 ...
- No. 4014 Photo Gallery
UP Steam
About Union Pacific
- UP Fact Sheet A relationship that began when the West was settled.
- Union Pacific in California Fact Sheet
- Union Pacific in Colorado Fact Sheet