BLI 9921 HO Scale UP CSA-2 Early Challenger Unlettered Paragon4 Hybrid Auto Unloading 4 separate parts are used

4 separate parts are used to recreate the complex wheel spoke pattern

has been designed to offer the highest standards of active and passive safety

25" radius curves or greater

it would be right at home dragging a heavy iron-ore train up a 2% grade

Italeri 2720 1/48 Wessex UH

BLI 9921 HO Scale UP CSA-2 Early Challenger Unlettered Paragon4 Hybrid Auto Unloading 4 separate parts are usedBLI 9921 HO Scale UP CSA 2 Early Challenger Unlettered 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 primarily assigned