"Big Boy" Union Pacific 4-8-8-4 Steam Locomotive, Cheyenne, WY
Additional Details:
| "Big Boy," World's Largest Steam Locomotive, Union Pacific Railroad operated 25 of these giant Mallet Type, 4-8-8-4, Locomotives over mountain grades of western United States in Freight Service. One of the few remaining Models may be seen at Holiday Park, East Lincolnway, Cheyenne, Wyoming. |
