BLI 10601 HO Scale Big Boy 4-8-8-4 UP 4014 250th West Coast Tour 2026 Stealth DC Kaiju EXT Walthers Cornerstone 933-3839 N Scale

Walthers Cornerstone 933-3839 N Scale Cape Cod Structure Kit

Driveline: Fully Ball-raced

workers could easily inspect and service locos under cover

Once-piece steel axles

BLI 10601 HO Scale Big Boy 4-8-8-4 UP 4014 250th West Coast Tour 2026 Stealth DC Kaiju EXT Walthers Cornerstone 933-3839 N ScaleBLI 10601 HO Scale Big Boy 4 8 8 4 UP 4014 250th West Coast Tour 2026 Stealth DC 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 locomotive