Full-featured, mid-sized, Double acting slide valve stationary cylinder, dry fueled engine with a 2-1/8" x 6" boiler. This engine can Powers Erector Sets and other miniatures with power to spare. The engine is spin start and reversible. Includes pop valve, whistle and throttle.

Bore: 7/16" x 5/8" Stroke.

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Don't forget the Esbit Fuel and the Steam Oil!