UP Big Boy 4014 & UP 844 Heading Out

UP #4014 and UP #844 building up steam simultaneously!

While getting ready to leave Cheyenne, Wyoming, as part of their inaugural run together, Big Boy #4014 and UP #844 are building up to 300 psi in the boiler.

Of the 25 Big Boys that were built, all but 8 were scrapped, unfortunately.

h3>Some Quick Facts about UP #844

• Rail Line: Union Pacific
• Power type: 4-8-4 Steam Locomotive FEF-3 class Northern
• Builder: American Locomotive Company
• Locomotive and tender weight: 907,890 lbs
• Driver diameters – 80 inches!
• Tractive effort: 63,750 lbf
• MAX SPEED – 120 MPH !

Quick Facts about UP Big Boy 4014

• Rail Line: Union Pacific
• Driver diameters:-68 inches
• Power type: 4-8-8-4 Steam Locomotive Class 4000
• Builder: American Locomotive Company 1941
• Coal Consumption: 22,000 lbs per hour (converted to oil)
• Locomotive and tender weight: 1,250,000 lbs
• Max Speed: 80 MPH !

Let us know if you have seen these two locomotives in person. We would love to hear about your experience!