BLI 10608 HO Scale Big Boy 4-8-8-4 UP 4016 with As-Delivered Aftercooler 1941 Paragon4 DCC Era_1943 + Nose mounted MU doors

Nose mounted MU doors

Programmable Sleep timer

Movable 88mm KwK 36 gun with breech and internal mounting detail

Realistic Tube Bumper - Rock Rails - Skid Plate

BLI 10608 HO Scale Big Boy 4-8-8-4 UP 4016 with As-Delivered Aftercooler 1941 Paragon4 DCC Era_1943 + Nose mounted MU doorsBLI 10608 HO Scale Big Boy 4 8 8 4 UP 4016 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