The value and results you’re looking for from your concaves.


BETTER THRESHING CAPABILITY

Grate spacings designed for aggressive threshing and better results – customizable to the crop and conditions


BUILT TO LAST

Our concaves are manufactured with quality and durability top of mind using abrasion-resistant (AR-200) steel.


ACHIEVE OPTIMAL RESULTS

Increase your harvest capacity, speed, and efficiency with innovative bar-and-grate style concaves.

Save on fuel and improve your sample quality.

Our one-of-a-kind O-Grate design is the market’s specialty concave design for top results in corn, soybeans, milo, edible beans, and pulses. Learn more.


MAD Concaves Configuration Guide for John Deere X9

These recommendations are field tested and results verified by our SmartPan System. Recommendations may vary by climate and crop conditions.




Recommended Combine Settings

These recommendations are a guide based on field testing and results are verified using our SmartPan System.

However, recommendations may vary by crop conditions and climate.


“We tried a set of O-Grates running an X9 in corn and soybeans harvest 2023. We found it noticeably easier to get a high-quality sample than with competitive concaves and we picked up ground speed while achieving near-zero yield loss. Amazing! All our combines are now running MAD Concaves.”

Travis Hughes

Farmer, South Dakota USA
Running MAD Concaves in corn and soybeans


Questions? Ready to Order?

Contact our team and we’ll connect you with your local Bushel Plus dealer.

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