California Oliver Cletrac Club
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 Established 1994

A member of the Early Day Gas Engine And Tractor Association, Branch 152 and Chapter 2 of the Hart-Parr Oliver Collectors Association

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     The purpose of our club is to serve as the medium of exchange of ideas, information and parts for admirers of Oliver, Cletrac and related equipment, material and tractors, and to aid in efforts to restore and preserve the tractors to their original likeness.  We focus mainly on Cletrac crawlers, although several of our members also own Oliver wheel tractors.  More...

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UPCOMING EVENTS

COCC Summer Meet and Play in the Dirt
Gilroy, CA
September 9

More info and full list of
Upcoming Events

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Some views of Branch 152 at the 2017 California Antique Farm and Tractor Show in Tulare, California.

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TRUE TRACTION:  CONTROLLED DIFFERENTIAL STEERING
A rare demonstrator of the famous Cletrac differential steering.

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Click on picture above to see an animation of the differential in operation using Solidworks.

Animation courtesy of Paul van der Ree of Zutphen, Netherlands

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For more info:  coccinfo@calolivercletrac.org