Athearn 25743 N Scale 4-6-6-4 Challenger w/Coal Tender UP 3967 DCC & Sound Xpress All and many served for decades

and many served for decades

and tender trucks Warm-glowing LED headlight Detailed

See through standard fan housings

Athearn Genesis G31678 HO Scale Dash 9-44CW Union Pacific UP 9733 DCC Sound

Athearn 25743 N Scale 4-6-6-4 Challenger w/Coal Tender UP 3967 DCC & Sound Xpress All and many served for decadesAthearn 25743 N Scale 4 6 6 4 Challenger w Coal Tender UP 3967 DCC & Sound The name "Challenger" was given to steam locomotives with a 4 6 6 4 wheel arrangement. This means that they have four wheels in the leading pilot truck, which helps guide the locomotive into curves, two sets of six driving wheels, and finally four trailing wheels, which support the rear of the engine and its massive firebox. Each set of six driving wheels is driven by two steam