Athearn Genesis G1015 HO Scale 4-6-6-4 Challenger w/Coal Tender Union Pacific UP 3938 DC TRRA Crest 10 Channel Train Engineer

Crest 10 Channel Train Engineer Walk Around Control System

5mm CVD Drive Shafts Sets per pack

Adjustable caster angle (3 settings)

Rugged train – ideally designed for children ages 6 and above

Check out those distinctive roof vents added during rebuilding but the original SLCC “taller” style smokejack

Athearn Genesis G1015 HO Scale 4-6-6-4 Challenger w/Coal Tender Union Pacific UP 3938 DC TRRA Crest 10 Channel Train EngineerAthearn Genesis G1015 HO Scale 4 6 6 4 Challenger w Coal Tender Union Pacific UP 3938 DC ALCO constructed the first 4 6 6 4 locomotives in the world, numbered 3900 to 3914, for the Union Pacific Railroad in 1936. These huge engines were named the Challenger Simple Articulated, or CSA 1, class. The railroad received 25 near copies, classified as CSA 2, the following year. Unlike compound Mallet engines that crawled along with drag freights, the