Athearn Genesis G1029 HO Scale 4-6-6-4 Challenger w/Oil Tender Union Pacific UP 3820 DC GC Athearn Genesis G13239 HO Scale

Athearn Genesis G13239 HO Scale EMD GP15-1 Conrail CR 1645

Woodland Scenics A1927 HO Scale Figures - One Man Crew

which features the plug-and-screw design

Rapido Trains 159007A HO Scale X-3 Tank Car "1950s" UTLX

Athearn Genesis G1029 HO Scale 4-6-6-4 Challenger w/Oil Tender Union Pacific UP 3820 DC GC Athearn Genesis G13239 HO ScaleAthearn Genesis G1029 HO Scale 4 6 6 4 Challenger w Oil Tender Union Pacific UP 3820 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