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    How much yield are you leaving in the field? Every rotor combine loses 3-5 bushels per acre, that’s anywhere between a $12,000 to $20,000 LOSS per one-thousand acres. But there is good news, Estes RPR Thrashing/Separating Concave System. The #1 Best-Selling Concave System Worldwide.


    • For ALL CROPS
    • ZERO Rotor Loss
    • 2-3 MPH Faster Ground Speed
    • NO Changing Concaves
    • 30% MORE Capacity
    • CLEANER Grain Sample
    • 5,000 Hr Life



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Estes Performance Concaves
CM Welding, Inc
4496 N. Co. Rd. 0 E-W
Frankfort, IN 46041

Main: 1-765-650-4550

About Estes Concaves

Don Estes, as an agricultural equipment welder by trade invented and patented the Disrupter for Case IH and John Deere rotary combines in 1995. Since, he has developed and patented the class-leading RPR Concave System that improves capacity, eliminates rotor loss and thrashes all crops with one concave system.

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