BLI 7237 N Scale Big Boy 4-8-8-4 Steam Loco Union Pacific ( Promontory Excursion) UP 4014 Paragon4 ESC - 1S MOA mixing (front wheel drive

MOA mixing (front wheel drive / four wheel drive / rear wheel drive) * Variable drive ratio

UNPX “Procor Repaint” 1999+ provides our customers with a “modern” repaint scheme for this production and it represents typical Procor repaints of the 1990/2000s era – a gray car with black lettering

but it can also be operated manually

Body Mounted Scale Coupler

BLI 7237 N Scale Big Boy 4-8-8-4 Steam Loco Union Pacific ( Promontory Excursion) UP 4014 Paragon4 ESC - 1S MOA mixing (front wheel driveBLI 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