The most expensive 2-8-4s were Louisville & Nashville’s “Big Emma” M-1s. Perhaps no latter-day steam locomotive wheel arrangement matched the 2-8-4 for dual service, a term for overall efficiency across multiple assignments. Introduced in 1924 by Lima Locomotive Works as the first exponent of what it called “Super Power” — a promotional phrase to highlight […]
Most expensive 2-8-4s: L&N’s ‘Big Emma’ M-1s
