A new, unsteamed GWR Prairie, professionally-built and recently painted to a good standard. Workmanship is excellent throughout, the engine runs on air beautifully. Boiler has an initial twice pressure hydraulic test certificate, issued last year.
Silver-soldered copper boiler with superheaters, 90psi working pressure, feed by injector and crosshead pump with auxiliary hand pump in side tank. Gunmetal cylinders with slide valves actuated by Stephenson's valve gear with pole reverser in cab. Mechanical lubricator. Steam brake with mechanical screw-down brake in cab.
Length 40 inches