Athearn Genesis G1021 HO Scale 4-6-6-4 Challenger w/Oil Tender Union Pacific UP 3939 DCC/Sound E-Z Track Roundhouse 1123 HO Scale Chemical

Roundhouse 1123 HO Scale Chemical Tank Car Hooker HOKX 1377

and Yamato spent the rest of the year

Front Coupler

Walthers Mainline 910-9958 HO Scale EMD F7A-B Diesel Set SOO Line 214A/220C

Machined input pinion gear

Athearn Genesis G1021 HO Scale 4-6-6-4 Challenger w/Oil Tender Union Pacific UP 3939 DCC/Sound E-Z Track Roundhouse 1123 HO Scale ChemicalAthearn Genesis G1021 HO Scale 4 6 6 4 Challenger w Oil Tender Union Pacific UP 3939 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