The Woodward Company manufactured hundreds of these pumps over the decades.

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The Woodward Company manufactured hundreds of these pumps over the decades.

33957/55902

✔ S - small (349 x 432)
✔ M - medium (480 x 594)
✔ L - large (611 x 756)
✔ Original (1005 x 1242)

Part number 115 and 116 are the gears. This type of pump went into Woodward's largest twin system hydraulic actuator governor units for massive hydro power plants around the world.

Design history of Woodward herringbone gears oil pumps.

Vintage governor oil pump gears for the history books.

Posted on: Monday 25 November 2019
Albums: Vintage machine shop manufacturing history projects over the years. / More vintage machine shop manufacturing history projects from over the years. / Vintage manufacturing company history and advertisements along with an odd-ball pneumatic engine governor and obsolete scrap parts. / American Machinist documentation. Made in the U.S.A. / Herringbone gear application.
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Welcome to the Woodward Governor Company unofficial History Site

The Woodward Company manufactured hundreds of these pumps over the decades.

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