Call to Order 1-765-258-4024
Available for Both
JOHN DEERE
CASE IH
And
Combines
RPR®Concave System
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90 Degree Patented Notched Round Bar
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Hardened Threshing Bars
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Progressively Open Bar Spacing
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Adjustable Cover Plates
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Concaves & Disrupters (optional)
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Maximum Capacity
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Stops Rotor Loss
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68% More Grain Unloaded In Concaves
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Less Fuel Consumption
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Slower Rotor Speed
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Disrupters for Better Separation
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Faster Ground Speed
$4300
The Original
RPR
SINCE 2012
®
The Original
Call to Order 765-258-4024
Increase Yields by Eliminating Rotor Loss!
![American Farmer： CM Welding 2017 [250502489]](https://static.wixstatic.com/media/b454ea_32da5f81f9514aabaab943ebff91bd02f002.jpg/v1/fill/w_663,h_373,enc_auto/file.jpeg)
American Farmer： CM Welding 2017 [250502489]
![American Farmer： CM Welding - 2016 [176818053]](https://static.wixstatic.com/media/b454ea_d04b8b10bddb4bb4bb2aaf6cfebbf796f002.jpg/v1/fill/w_663,h_373,enc_auto/file.jpeg)
American Farmer： CM Welding - 2016 [176818053]
![CM Welding - American Farmer 2014 [138202443]](https://static.wixstatic.com/media/b454ea_e248f45399fe4621ab91bbc51dada0dff002.jpg/v1/fill/w_663,h_373,enc_auto/file.jpeg)
CM Welding - American Farmer 2014 [138202443]
John Deere STS & S Series
Kit Includes
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#1 Threshing Concave
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#2 Threshing / Separating Concave
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#3 Separating Concave
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3 Adjustable Cover Plates (None on RPR 2s)
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1 Set of Disrupters for Separating Grate (optional)
John Deere Small Rotor STS 9560, 9570 S-550
Kit Includes
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#1 Threshing Concave
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#2 Threshing / Separating Concave
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#3 Separating Concave
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3 Adjustable Cover Plates (None on RPR 2s)
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1 Set of Disrupters for Separating Grate (optional)
Case IH Flagship Series
Kit Includes
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2 - RH Concaves
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2 - LH Concaves
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3 Sets of Adjustable Cover Plates (None on RPR 2s)
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1 Set of Disrupters for Separating Grate (optional)
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Rice Spike Rotor Bars (optional)
Case IH 88 Series
Kit Includes
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#1 Threshing Concave
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#2 Threshing / Separating Concave
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#3 Separating Concave
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3 Adjustable Cover Plates (None on RPR 2s)
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1 Set of Disrupters for Separating Grate (optional)
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Rice Spike Rotor Bars (optional)
2012 RPR Concave System Released
2009 Rotor Loss Kit Released
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* The RPR Concave System™ was designed and patented by CM Welding, Donnie Estes, in 2012, and was first introduced to the public for sale in the same year. The Rotor Loss Kit™ and Disrupters™ by CM Welding, Donnie Estes, were released prior to the RPR Concave System. In July 2018, Copperhead Concave Systems, LLC also licensed the IP and technologies for use and sale. The RPR Concave System™, technologies and patents did not exist prior to 2012, and the RPR Concave System™ was only available for sale through CM Welding and its dealers before the patent and technologies were licensed in July 2018 by Copperhead Concave Systems, LLC. The RPR Concave System™ is still available for sale through CM Welding, Estes Performance Concaves, and other select dealers.
FAQ
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Yes, the RPR Concaves designed by CM Welding, Donnie Estes; Patented & Released in 2012
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Yes, Copperhead Concaves Systems, LLC also licensed the Patent and Technology as of July 2018*
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Yes, covers for all crops are included
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Yes, this is the same CM Welding, Donnie Estes; Emeritus
**If you are looking for Estes XPR2 Concaves click here