BLI 7237 N Scale Big Boy 4-8-8-4 Steam Loco Union Pacific ( Promontory Excursion) UP 4014 Paragon4 Truck exhaust (Jato) (tubular aluminum

exhaust (Jato) (tubular aluminum

Shaft 4WD drivetrain

and painted body

They'll be eating your dust with this awesome tv car from Jada

BLI 7237 N Scale Big Boy 4-8-8-4 Steam Loco Union Pacific ( Promontory Excursion) UP 4014 Paragon4 Truck exhaust (Jato) (tubular aluminumBLI 7237 N Scale Big Boy 4 8 8 4 Steam Loco Union Pacific ( Promontory Excursion) UP 4014 Paragon4 Often called the largest steam loco ever made, and certainly a contender for the Worlds Most Famous Locomotive, the Big Boy was forged under some of the most strenuous demands ever placed on a locomotive. The UP Railroad needed a locomotive that could be used to pull a 3,600 ton train over Sherman Hill and the 1. 14% grade from Ogden to Wasatch, Utah