Rail King
4-6-6-4
Challenger
OPERATOR’S MANUAL
Compatibility
This engine will operate on any
traditional O-31 Gauge track system,
including M.T.H.’s RealTrax® or
ScaleTrax™ or traditional tubular
track. It is also compatible with most
standard AC transformers. (See page
19 for a complete list of compatible
transformers and wiring instructions.)
PLEASE READ BEFORE USE AND SAVE
Freight Yard Sound
Passenger Station Announcement
