BLI 10606 HO Scale Big Boy 4-8-8-4 UP 4010 with As-Delivered Aftercooler 1941 Paragon4 DCC Scale Figure Horizontally placed in the front

Horizontally placed in the front

Utilizing a large hollow design and self-dissipating structure

Monster sizing and design inspiration

replacement capital ships for the German Navy were limited to 10

BLI 10606 HO Scale Big Boy 4-8-8-4 UP 4010 with As-Delivered Aftercooler 1941 Paragon4 DCC Scale Figure Horizontally placed in the frontBLI 10606 HO Scale Big Boy 4 8 8 4 UP 4010 with As Delivered Aftercooler 1941 Paragon4 DCC When railfans think of big steam, one locomotive almost always comes to mind: the Big Boy. Often regarded as the largest steam locomotive ever builtand certainly a contender for the world's most famous locomotivethe Big Boy was created to meet some of the most demanding operating requirements ever placed on a steam engine. The Union Pacific Railroad needed a