Athearn Genesis G1029 HO Scale 4-6-6-4 Challenger w/Oil Tender Union Pacific UP 3820 DC GC Silent RunningTM motor drive eliminates

Silent RunningTM motor drive eliminates annoying motor hum or buzz

which features the plug-and-screw design

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

is an invitation to a real voyage of discovery through the racing technology of the 1970s

Athearn Genesis G1029 HO Scale 4-6-6-4 Challenger w/Oil Tender Union Pacific UP 3820 DC GC Silent RunningTM motor drive eliminatesAthearn 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