Athearn Genesis G1021 HO Scale 4-6-6-4 Challenger w/Oil Tender Union Pacific UP 3939 DCC/Sound E-Z Track Walthers Mainline 910-9958 HO Scale

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

Roundhouse 1123 HO Scale Chemical Tank Car Hooker HOKX 1377

Factory assembled chassis with built in R/C unit

Easy way to model "tip-up" concrete panel construction used for all types of trackside warehousing

you can openly observe the operation of the entire cone CVT mechanism without dirtying your hands with engine oil

Athearn Genesis G1021 HO Scale 4-6-6-4 Challenger w/Oil Tender Union Pacific UP 3939 DCC/Sound E-Z Track Walthers Mainline 910-9958 HO ScaleAthearn 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