rare rotary engine for sale

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  • Duncan Aviation DR200R Dual Rotor Aircraft Engine

    Duncan Aviation DR200R Dual Rotor Aircraft Engine Based on Mazda 12A Rotary | Rare 200HP Experimental Aircraft Engine

    $4,000.00

    The Duncan Aviation DR200R Dual Rotor Aircraft Engine Based on Mazda 12A Rotary is an exceptionally rare aviation powerplant that represents a unique chapter in rotary engine and experimental aircraft history. Built in 1985 and preserved as new old stock, this engine has never been run and has remained in storage since new, making it a remarkable opportunity for aviation enthusiasts, rotary collectors, aircraft builders, and Mazda rotary specialists.

    Developed around Mazda’s legendary 12A rotary platform, the DR200R was engineered specifically for aviation applications, combining the compact design and smooth operation of a rotary engine with purpose-built aircraft components. Producing approximately 200 horsepower at 8,100 RPM, this engine delivers impressive power while maintaining a relatively lightweight package.

    Whether you’re restoring a period-correct experimental aircraft, seeking a unique collector’s piece, or exploring a custom rotary-powered aviation project, the Duncan Aviation DR200R Dual Rotor Aircraft Engine Based on Mazda 12A Rotary offers unmatched rarity and historical significance.

    This engine has been carefully preserved, periodically oiled internally, and remains sealed from storage. It turns freely by hand with even compression pulses, and documentation from Duncan Aviation is included.

  • Ultra Rare 12A Bridge Port Engine

    Ultra Rare 12A Bridge Port Engine – TS Race Spec | Vintage Mazda Rotary Racing Engine

    $2,500.00

    For dedicated rotary enthusiasts, collectors, and vintage racing builders, opportunities to acquire a genuine competition-spec rotary engine from the golden age of Japanese motorsport are exceptionally rare. The Ultra Rare 12A Bridge Port Engine – TS Race Spec represents exactly that opportunity.

    Built as a period-correct racing engine and associated with the legendary Katayama Sports Corner racing heritage, this highly sought-after 12A bridge port rotary engine was developed for serious competition use. Featuring an aggressive bridge port configuration designed to maximize airflow and top-end performance, this engine embodies everything enthusiasts love about classic Mazda rotary engineering.

    Whether you’re restoring a historic race car, building an authentic Mazda Savanna RX-3 competition vehicle, or adding a centerpiece to a rotary collection, this engine delivers historical significance, performance pedigree, and collector appeal in one package.

    Unlike modern crate engines or reproduction builds, the Ultra Rare 12A Bridge Port Engine – TS Race Spec offers a genuine connection to an era when rotary-powered Mazdas dominated race circuits and helped establish the rotary engine’s legendary reputation worldwide.