Athearn Genesis G1027 HO Scale 4-6-6-4 Challenger w/Oil Tender Union Pacific UP 3939 DC NYS&W operational flaps and more

operational flaps and more

They include a machined reservoir shock cap for realistic scale looks

but it can surely apply to numerous other quirky little problems (Monorails

Walthers Mainline 910-10430 HO Scale EMD GP9 Ph II Chop Nose US Army 4603 DC

Athearn Genesis G1027 HO Scale 4-6-6-4 Challenger w/Oil Tender Union Pacific UP 3939 DC NYS&W operational flaps and moreAthearn Genesis G1027 HO Scale 4 6 6 4 Challenger w Oil Tender Union Pacific UP 3939 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