Big Boy comes to Altoona | Wis.Community

Big Boy comes to Altoona

Big Boy comes to Altoona

Big Boy

Presentation of award to Big Boy steam train in Altoona, WI

On July 23 Big Boy, engine 4014 stopped in Altoona as part of its tour of the country commemorating the 150th anniversary of the Transcontinental Railroad completion. The Big Boy engines were the largest steam engines ever built and were designed to haul large loads over the Wasatch Mountain range. The 25 Big Boy engines were built by Union Pacific between 1941 and 1944 and were used until 1959. They are the largest steam engines built, at 132 feet long and 7000 horsepower.