Athearn Genesis G1012 HO Scale 4-6-6-4 Challenger w/Coal Tender Union Pacific UP 3907 DCC/Sound Z Set high quality polycarbonate plastic for

high quality polycarbonate plastic for durability and long life

Where Power Meets Technology® No other engine combines power

M4 Titanium Steering Links for Wraith/RR10/SMT10

are trademarks and registered trademarks of Traxxas L

The body is built for a 2wd SCT wheelbase length and narrowed to more resemble the original 1:1 counterpart

Athearn Genesis G1012 HO Scale 4-6-6-4 Challenger w/Coal Tender Union Pacific UP 3907 DCC/Sound Z Set high quality polycarbonate plastic forAthearn Genesis G1012 HO Scale 4 6 6 4 Challenger w Coal Tender Union Pacific UP 3907 DCC Sound 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