BLI 5676 HO Scale 4-8-8-4 Big Big Boy Steam Locomotive Union Pacific UP #4014 Paragon 3 DCC and Soun Servos 1 Trailer axle

1 Trailer axle

8 Module/32pitch teeth for total reliability on brushless power

(1) Ring Gear

Recovery System: 12 in

BLI 5676 HO Scale 4-8-8-4 Big Big Boy Steam Locomotive Union Pacific UP #4014 Paragon 3 DCC and Soun Servos 1 Trailer axleBLI 5676 HO Scale 4 8 8 4 Big Big Boy Steam Locomotive Union Pacific UP #4014 Paragon 3 DCC and Sound 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