Get the value & results you’re looking for from your concaves with durable, long-lasting MAD Concaves for John Deere X9 combines.

  • Built to last with AR-200 Steel
  • Grate spacings designed for aggressive threshing and better results – customizable to the crop and conditions
  • One-of-a-kind O-Grate design for optimal results in corn, peas, beans, soybeans, and milo. Learn More about the O-Grate.

Standard MAD Concaves John Deere X9 Set Up

MAD Concaves Configuration & Combine Settings Guide for John Deere X9

*Recommendations may change by crop conditions and climate.