BLI 9905 HO Scale UP CSA-2 Early Challenger Union Pacific 3838 As-Delivered Paragon4 Hybrid HiTechCharge precision-balanced flywheels Die-cast chassis Fine-scale

precision-balanced flywheels Die-cast chassis Fine-scale handrails Blackened metal wheels RP25 wheel contours E-Z Mate® Mark II couplers Performs best on 18" radius curves or greater

access hatch

Savox SGSC1258TG Servo Gear Set with Bearings for SC1258

2 tires with ease - no matter how much weight you put in them

BLI 9905 HO Scale UP CSA-2 Early Challenger Union Pacific 3838 As-Delivered Paragon4 Hybrid HiTechCharge precision-balanced flywheels Die-cast chassis Fine-scaleBLI 9905 HO Scale UP CSA 2 Early Challenger Union Pacific 3838 As Delivered Paragon4 Hybrid The Union Pacific Challengers were a class of powerful, simple articulated 4 6 6 4 steam locomotives built by the American Locomotive Company (ALCO) exclusively for the Union Pacific Railroad. Between 1936 and 1943, a total of 105 were constructed. Measuring an impressive 122 feet (37 m) in length and weighing 628,000 pounds (284,800 kg), these locomotives were