It is impressive to see in operation. The engine is touring the Midwest to commemorate the 150th anniversary of the completion of the nation’s transcontinental railroad. Big Boy departed the Steam Shop in Cheyenne at 8 am Friday, Sept. 27. 4014, the world’s largest operating steam locomotive, drew huge crowds during a stop July 23 in Altoona. 3985 (Challenger) and 4014 (Big Boy) are still classified as operating locomotives for UP. According to the Virgina Museum of Transportation, J611 has a tractive effort of 80,000 flb and is well and truly running since last year.
The Union Pacific Big Boy is a type of simple articulated 4-8-8-4 steam locomotive manufactured by the American Locomotive Company (ALCO) between 1941 and 1944 and operated by the Union Pacific Railroad in revenue service until 1959. 4014” is a historic steam locomotive and also the world’s largest.
The world's largest steam locomotive returns to the rails. Union Pacific’s 133-foot-long Big Boy No. The locomotive was retired about 1962 and after many years of storage it was placed on outdoor display. Beginning in 1979 a group of Union Pacific employee-volunteers started work on overhauling the locomotive, and it was returned to operational condition in 1981. This 4-8-8-4 together with the UP Challenger 4-6-6-4 (97,352 flb) are still around in the UP workshops in Cheyenne Wyoming. This 4-8-8-4 together with the UP Challenger 2-6-6-2 (97,352 flb) are still around in the UP workshops in Cheyenne Wyoming.
The top speed is about 70 mph. Update: I stand corrected. One of the biggest and most powerful steam locomotives in history has returned to life: Union Pacific’s Big Boy 4014. The 25 Big Boy locomotives were built to haul freight over the Wasatch mountains between Ogden, Utah, and Green River, Wyoming. Union Pacific’s newly restored Big Boy No. Not just any steam locomotive, but the world’s largest operating steam locomotive. While Texas cows may be huge, certainly the steaks are, when it comes to operational steam locomotives, is the US still leading the way? Coming down in size, we have the Union Pacific Big Boy (135,375 flb), thought by many to be the largest steam locomotive of all time. 3985 (Challenger) and 4014 (Big Boy) are still classified as operating locomotives for UP.
— Union Pacific “Big Boy No. Jul 28, 2015 - The Union Pacific's Challenger, number 3985, as it slowly makes its way to a stop in South St Paul. This 4-8-8-4 together with the UP Challenger 2-6-6-2 (97,352 flb) are still around in the UP workshops in Cheyenne Wyoming. Currently, with what information is published, the most powerful articulated and single unit locomotive is the 2ES10S (3ES10), the strongest-pulling is the IORE, and the heaviest is the Union Pacific Coal GTEL. It is currently being used for excursion trains and mainline freight moves.
The locomotive is on its “Great Race Across the Southwest.” Coming down in size, we have the Union Pacific Big Boy (135,375 flb), thought by many to be the largest steam locomotive of all time. 4014 roared into town, steam flying and whistle blowing, a little ahead of its scheduled 1 p.m. arrival time to cheering crowds and even a few tears of joy. One of the World’s Largest Steam Locomotives Is About to Make a Triumphant Return Copy Link Facebook Twitter Reddit Flipboard Pocket Union Pacific's … CASPER, Wyo. Coming down in size, we have the Union Pacific Big Boy (135,375 flb), thought by many to be the largest steam locomotive of all time. 3985 (Challenger) and 4014 (Big Boy) are still classified as operating locomotives for UP. Big Boy 4014 Videos UP 4014 News Shop Big Boy 4014 Big Boy Returns!