Athearn 25741 N Scale 4-6-6-4 Challenger w/Oil Tender Union Pacific UP 3985 DCC & Sound Freight Car Set Oversized bearings: 5*16*5

Oversized bearings: 5*16*5

none of which have been included in any previous single or double-drive release of the kit

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

and we are pleased to offer such eye-catching paint for 1983+ modelers

Athearn 25741 N Scale 4-6-6-4 Challenger w/Oil Tender Union Pacific UP 3985 DCC & Sound Freight Car Set Oversized bearings: 5*16*5Athearn 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