Compatibility - M.T.H. New York MTA R-21 Operating Instructions Manual

Compatibility

This engine will operate on any traditional O-27 or larger O 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 14
for a complete list of compatible transformers and wiring instructions.)
13
RailKing R-21 4 Car Subway Set