BLI 7233 N Scale Big Boy 4-8-8-4 Steam Loco Union Pacific UP 4021 Paragon4 FMS Jimny Standard 12mm hex hub

Standard 12mm hex hub

door latch bars and ladders are factory-installed for added realism

2V 4000-7000mAh LiPo (sold separately)

Athearn Genesis G19352 HO Scale F7A Western Maryland Circus WM 51

BLI 7233 N Scale Big Boy 4-8-8-4 Steam Loco Union Pacific UP 4021 Paragon4 FMS Jimny Standard 12mm hex hubBLI 7233 N Scale Big Boy 4 8 8 4 Steam Loco Union Pacific UP 4021 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 without the need for