Big Boy - Back in Steam Blu-Ray covers the 1941-1959 history, 2014-2019 restoration, and May 2019 inaugural runs of Union Pacific Big Boy 4-8-8-4 No. 4014 on its original operating territory between Cheyenne, Wyo., and Ogden, Utah, across famous Sherman Hill and Wasatch Grade. One of the world's largest and most powerful steam locomotives (1.2 million pounds, 7,000 horsepower), No. 4014 will be the first Big Boy to run in 60 years! Trains has covered all aspects of this steam locomotive legend, and we'll have four teams on the ground to cover its inaugural runs.