BLI 9905 HO Scale UP CSA-2 Early Challenger Union Pacific 3838 As-Delivered Paragon4 Hybrid HiTechCharge Incredibly unique and visionary design

Incredibly unique and visionary design by Mirco Pecorari and David Payne (mPd) for classic looks plus modern performance

This illustrated history examines Pullman's diverse fleet

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Savox SGSC1258TG Servo Gear Set with Bearings for SC1258

BLI 9905 HO Scale UP CSA-2 Early Challenger Union Pacific 3838 As-Delivered Paragon4 Hybrid HiTechCharge Incredibly unique and visionary designBLI 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