Welcome to the Woodward Governor Company unofficial History Site

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Pierce governor theory of operation.

PIERCE UNIT.png "WORLD'S MOST EXPERIENCED GOVERNOR MANUFACTURER".ThumbnailsAn engine model cutaway showing the fuel injection pump and governor system."WORLD'S MOST EXPERIENCED GOVERNOR MANUFACTURER".ThumbnailsAn engine model cutaway showing the fuel injection pump and governor system."WORLD'S MOST EXPERIENCED GOVERNOR MANUFACTURER".ThumbnailsAn engine model cutaway showing the fuel injection pump and governor system."WORLD'S MOST EXPERIENCED GOVERNOR MANUFACTURER".ThumbnailsAn engine model cutaway showing the fuel injection pump and governor system.