Fe Big Boy May 2026

: Generates over 7,000 HP, measures over 132 feet long, and weighs more than 1.2 million pounds.

: The frame is "hinged" to navigate tight curves. FE Big boy

The (4000-class) is the largest and heaviest reciprocating steam locomotive ever built, designed specifically to haul massive freight trains over the steep Wasatch Mountains in Utah and Wyoming. Key Features and Specifications : Generates over 7,000 HP, measures over 132