1941 Union Pacific (4-8-8-4) "Big Boy" with History (Framed 14"x17")
Union Pacific locomotive 4006, popularly known as the "Big Boy", is a massive reminder of our colorful days of steam railroading in America. The 4-8-8-4 type locomotive is almost 133' in length, develops 6,290 hp., and weighs over 1,200,000 lbs. These impressive numbers make the 4000-class "Big Boy", the largest successful steam locomotive in the world. There were originally twenty-five "Big Boys" built from 1941 to 1944 by the American Locomotive Company. These giants were designed to handle heavy freight and passenger service in the Cheyenne, Wyoming - Ogden, Utah, Rocky Mountain terrain. One of the last surviving "Big Boys" is proudly exhibited at the National Museum of Transport in St. Louis, Missouri.
All Rights Reserved, Copyright by Edward C. Schaefer, 1995, 2014.