BLI 7233 N Scale Big Boy 4-8-8-4 Steam Loco Union Pacific UP 4021 Paragon4 FMS Jimny Chassis Material: Aluminum and ABS

Chassis Material: Aluminum and ABS plastic

Minimum radius: 22”—Recommended radius: 24”+

Tekno RC 6855 Big Bone Center Driveshaft and Outdrives for Slash 4x4

Built-In extra capacitance to navigate imperfect track

BLI 7233 N Scale Big Boy 4-8-8-4 Steam Loco Union Pacific UP 4021 Paragon4 FMS Jimny Chassis Material: Aluminum and ABSBLI 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