Measuring 132 feet long and weighing one and a quarter million pounds, the Union Pacific Big Boys were the largest, heaviest, most powerful steam locomotives of their type. These giants could pull a five and a half mile long train on level track. Although only 25 Big Boys were ever built, over 18 years those few engines ran up nearly 26 million miles hauling billions of tons of freight. In Pentrex"s Big Boy Combo Part 1, you"ll see two fantastic shows presenting the Big Boys in all their glory!

Last of the Giants (23 Minutes)
Union Pacific paid tribute to its Big Boys in a publicity film that has become a sought-out collector"s item for rail enthusiasts worldwide. You"ll see the evolution of UP steam power from 4-6-0s to the development of the articulated locomotive. Then you"ll meet the Big Boys and watch as they are serviced, rebuilt, and run. Trackside and cab shots feature these mighty 4-8-8-4s pul