30-1923-1 UNION PACIFIC DRG&W HERITAGE BIG BOY #1989 W/ COAL TENDER-O QuickBooks F19 Rev Up

F19 Rev Up

EMD gave the MP15 a longer frame than its predecessor

Factory-equipped with AccuMate® knuckle couplers

• Clear red taillights

from the transformers and steel framework to the chain-link fencing around the facility

30-1923-1 UNION PACIFIC DRG&W HERITAGE BIG BOY #1989 W/ COAL TENDER-O QuickBooks F19 Rev UpJust months before Pearl Harbor, the American Locomotive Company delivered the first Big Boy to the Union Pacific Railroad. The UP's Department of Research and Mechanical Standards had designed the locomotive for a specific task: to pull a 3600 ton train unassisted over the Wasatch Mountains in Utah. While the Big Boy is often cited as the biggest steam locomotive ever built, in fact it is not. The Norfolk & Western's Y6 and A, the Duluth Missabe &