Athearn Genesis G999 HO Scale 4-6-6-4 Challenger w/Oil Tender Union Pacific UP 3820 DCC/Sound FMS 6x6 "HGC" High Gravity Compound Weighs

"HGC" High Gravity Compound Weighs nearly the same as Metal Trucks

Roundhouse 90187 HO Scale Bay Window Caboose Erie C310

Comes with clear parts

Athearn HO 90551 60' Bulkhead Flatcar SOO Line 5087

Athearn Genesis G999 HO Scale 4-6-6-4 Challenger w/Oil Tender Union Pacific UP 3820 DCC/Sound FMS 6x6 "HGC" High Gravity Compound WeighsAthearn Genesis G999 HO Scale 4 6 6 4 Challenger w Oil Tender Union Pacific UP 3820 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