Celebrate the 100th Anniversary of Caterpillar

August 29, 30, 31 and September 1, 2025
Get your tickets today!
Older tractor running

A Celebration of Agricultural History and Community

The 69th Annual Rock River Thresheree ​will be held August 29 – September 1, 2025.  Each day we are open from 8 AM till 5 PM. Our feature this year is 100 years of Caterpillar and Fuller & Johnson gas engines.  We welcome all exhibitors and encourage you to bring your equipment to our show! Admission is only $10 per person; children aged 12 and under free. On Friday, senior citizens and veterans are admitted for $8.

Events offered

Enjoy Thresheree Moments in Action

Step back in time and see the sights, smiles, and steam-powered action that make the Rock River Thresheree unforgettable. From vintage tractors to hands-on heritage, our gallery captures the heart of the event—one photo at a time. Dive in and relive the magic!

Be Part of the Tradition

Volunteers Needed

Be Part of the Power Behind the Steam

Wisconsin Historical Society affiliate

Become a Sponsor

Support History, Community & Visibility

Get in Touch

Address
51 E Cox Road
Edgerton, WI 53534

Phone: 608-868-2814

Spectator Entrance at Showtime
332 E County M
Edgerton, WI 53534




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