Athearn 25741 N Scale 4-6-6-4 Challenger w/Oil Tender Union Pacific UP 3985 DCC & Sound Freight Car Set Pennsylvania and Southern Pacific continued

Pennsylvania and Southern Pacific continued to refine their Atlantics into modern

and add a skull-topped Berzerker icon to your squad

Oversized bearings: 5*16*5

Traxxas 7748 Orange Aluminum TUBES Toe Links fits X-Maxx®

Athearn 25741 N Scale 4-6-6-4 Challenger w/Oil Tender Union Pacific UP 3985 DCC & Sound Freight Car Set Pennsylvania and Southern Pacific continuedAthearn 25741 N Scale 4 6 6 4 Challenger w Oil Tender Union Pacific UP 3985 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