Athearn 25744 N Scale 4-6-6-4 Challenger w/Oil Tender Union Pacific UP 3976 DCC & Sound Airbrush Accessory Fine decals are included to

Fine decals are included to decorate the ship inside and out and an easy-to-follow pictorial assembly guide is included

Their B units received cabs in the process

down-home charm

Introduced in 1995

Athearn 25744 N Scale 4-6-6-4 Challenger w/Oil Tender Union Pacific UP 3976 DCC & Sound Airbrush Accessory Fine decals are included toAthearn 25744 N Scale 4 6 6 4 Challenger w Oil Tender Union Pacific UP 3976 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