Big Boy 4014 Headed Your Way

Big Boy 4014 passes a waiting freight on the famous Peru Hill outside of Green River, Wyoming.

The locomotive is working hard with just a little diesel assist to climb the 5 mile, .82% Peru Grade. This grade is one of the grades that the Big Boy Locomotives were designed to climb beside the more well known Wasatch, Sherman, and Archer grades.

Union Pacific Big Boys stats:

• Operated from 1941-59
• Bearing full load weighed a total of 1.2 million pounds
• Only 25 ever made
• 4-8-8-4 configuration
• Top speed of 80 Mph

Let us know if you have had the opportunity to view Big Boy up close. We would love to hear about your experience!