BLI 10613 HO Scale Big Boy 4-8-8-4 UP 4024 with Wilson Aftercooler 1944 Stealth DC Roadname_Rutland - RUT Its proven ARRMA® 4X4 MEGA

Its proven ARRMA® 4X4 MEGA platform features a strong composite chassis with extended height dirt defenders

Innovative watersealed design

Tires: High Performance Racing Rubber Compound Tires 56 x 80 x 35

9 OFF-ROAD BEAD LOCKS (4)

BLI 10613 HO Scale Big Boy 4-8-8-4 UP 4024 with Wilson Aftercooler 1944 Stealth DC Roadname_Rutland - RUT Its proven ARRMA® 4X4 MEGABLI 10613 HO Scale Big Boy 4 8 8 4 UP 4024 with Wilson Aftercooler 1944 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