Athearn Genesis G1030 HO Scale 4-6-6-4 Challenger w/Coal Tender Union Pacific UP 3911 DC Scale_HOn3 a new paint scheme of

a new paint scheme of black with yellow stripes was developed for the road’s diesels

Aluminum front upper hanger

The 4-8-8-4 wheel arrangement combined stability and power

2" (pre-glued with inserts)

This addition support leads to consistency through corners and provides on-throttle stability

Athearn Genesis G1030 HO Scale 4-6-6-4 Challenger w/Coal Tender Union Pacific UP 3911 DC Scale_HOn3 a new paint scheme ofAthearn Genesis G1030 HO Scale 4 6 6 4 Challenger w Coal Tender Union Pacific UP 3911 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