A 3 1/2 inch gauge "Rob Roy" 0-6-0T, Martin Evans' popular design for a Caledonian Railway tank locomotive.
Silver soldered copper boiler, 80psi working pressure, feed by injector and axle pump with auxiliary hand pump in the side tank. Gunmetal cylinders with slide valves actuated by Stephenson's gear, pole reverser in the cab, mechanical lubricator.
Complete with a transport stand and length of display track.
|gauge||3 1/2 inch|
|superheater type||flue tube|
|safety valve type||spring|