Call Us 1-765-650-4550

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We will call you with your order total, shipping options and to process payment. We are very busy, so please watch for our call during this harvest season.


If you need immediate assistance, please call (765) 650-4550

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

Main: 1-765-650-4550
Technical/Settings: 1-765-650-4122
Don Cell: 1-765-650-4131

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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