30-1921-1 UNION PACIFIC BIG BOY #4005 W/ COAL TENDER-O QuickBooks paint & glue required •46

paint & glue required •46 parts •Molded in white

• Molded in Color (9-Total Parts)

This 10" Fastrack Terminal Straight Track features wires pre-attached to the track

transparent red and clear with soft black tires

1 CTRL Port Plug (installed)

30-1921-1 UNION PACIFIC BIG BOY #4005 W/ COAL TENDER-O QuickBooks paint & glue required •46Just 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 &