BLI 9919 HO Scale UP CSA-2 Early Challenger Union Pacific 3824 Fantasy 1800s Scheme Paragon4 Hybrid Theme_Build Divers not attenuated by exhaust mufflers

not attenuated by exhaust mufflers kept “free” to provide the most significant performance

allowing modelers to recreate these distinctive aircraft with precision

Two axles powered in each truck using cardan shafts

Kato 176-4380D N Scale EMD NW2 Union Pacific UP 1039 DCC Equipped

BLI 9919 HO Scale UP CSA-2 Early Challenger Union Pacific 3824 Fantasy 1800s Scheme Paragon4 Hybrid Theme_Build Divers not attenuated by exhaust mufflersBLI 9919 HO Scale UP CSA 2 Early Challenger Union Pacific 3824 Fantasy 1800s Scheme 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