Athearn Genesis G1009 HO Scale 4-6-6-4 Challenger w/Coal Tender Union Pacific UP 3911 DCC/Sound Track Laying Tools Does NOT fit vehicles that

Does NOT fit vehicles that use Arrma AR330498

Tamiya 74050 Fine Pin Vise D

Each sold separately

Detailed 390 cu

along with GP and SD-series units

Athearn Genesis G1009 HO Scale 4-6-6-4 Challenger w/Coal Tender Union Pacific UP 3911 DCC/Sound Track Laying Tools Does NOT fit vehicles thatAthearn Genesis G1009 HO Scale 4 6 6 4 Challenger w Coal Tender Union Pacific UP 3911 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