MTH Railking 30-1545-1 O Gauge 4-6-6-4 Imperial Challenger Western Maryland WM 1201 with PS2 - USED Slot Car Controller Length: 24" (610mm)

Length: 24" (610mm)

Metal Trucks and Couplers

Walthers Mainline 910-10450 HO Scale EMD GP9 High Hood Undecorated

heavy bombers of WWII

MTH Railking 30-1545-1 O Gauge 4-6-6-4 Imperial Challenger Western Maryland WM 1201 with PS2 - USED Slot Car Controller Length: 24" (610mm)MTH Railking 30 1545 1 O Gauge 4 6 6 4 Imperial Challenger Western Maryland WM 1201 with PS2 USED The first Challengers were conceived in 1936 as fast freight engines to replace the Union Pacific's fleet of three cylinder 4 12 2 locomotives. With an extra center cylinder for added power and a top speed of 45 mph, the 4 12 2s had been successful freight engines when built in 1926. But a decade later they were considered slow and difficult to maintain.