Athearn 25742 N Scale 4-6-6-4 Challenger w/Coal Tender UP 3933 DCC & Sound Airbrush Accessory Weight (w/wires): 197 g /

Weight (w/wires): 197 g / 6

1up Racing Top Shafts are precisely machined from premium quality steel boasting excellent impact strength and abrasion resistance once hardened

9 beadlock wheels (V2) grey anodized by Vanquish

000 pounds per axle as a light locomotive

Athearn 25742 N Scale 4-6-6-4 Challenger w/Coal Tender UP 3933 DCC & Sound Airbrush Accessory Weight (w/wires): 197 g /Athearn 25742 N Scale 4 6 6 4 Challenger w Coal Tender UP 3933 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