Athearn Genesis G1022 HO Scale 4-6-6-4 Challenger w/Coal Tender Union Pacific UP 3938 DCC/Sound 4X4 X-Maxx The sway bar arms are

The sway bar arms are machined from 7075 Aluminum and anodized in a silver finish to add just the right amount of bling to your build

Dog Days RC logos on the sides

2WD brushless and 4WD brushed cars

Note: Unit has Soundtraxx Tsunami Sound installed

This collectible McLaren toy car features eye-catching graphics and colors

Athearn Genesis G1022 HO Scale 4-6-6-4 Challenger w/Coal Tender Union Pacific UP 3938 DCC/Sound 4X4 X-Maxx The sway bar arms areAthearn Genesis G1022 HO Scale 4 6 6 4 Challenger w Coal Tender Union Pacific UP 3938 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