BLI 7230 N Scale Big Boy 4-8-8-4 Steam Loco Union Pacific UP 4007 Paragon4 Northern Pacific NP the body-shell of the 1993

the body-shell of the 1993 Ford F-Series was given another major upgrade

ADVANTAGES:

One-piece rear axle design

2" the tire is up to the task

BLI 7230 N Scale Big Boy 4-8-8-4 Steam Loco Union Pacific UP 4007 Paragon4 Northern Pacific NP the body-shell of the 1993BLI 7230 N Scale Big Boy 4 8 8 4 Steam Loco Union Pacific UP 4007 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