Rotor Loss Kit

STOP ROTOR LOSS, INCREASE SPEED AND CAPACITY

Rotor loss in Corn, Soybeans & Wheat on all John Deere STS & the new S series combines happens because of an over- loaded separation section.  C M Welding Inc introduced “The Disrupter” (14 lugs bolted into the two front separation grates) in the summer of 2010 and the response was tremendous. (Disrupter lugs cut up corn shucks, green bean stems, & wheat straw). We have over 1700 sets in operation, but the rotor loss problem still exists with all STS & new S series machines when ground speed is increased.  The rear concave in John Deere Rotor machines is not large enough nor open enough to get crop  through without sacrificing a lot of ground speed. Corn, soybeans & wheat thrash completely over the first 1 &1/ 2 round bar concaves, but very little separation will happen over the back half of the concave sections due to the small space (5/8 “) between the remaining round bars.

 

We have designed a concave/grate that has 1/2 “sq bars with 1 ¼” opening between.  The new concave/grate will replace the rear concave on all of the STS  & S series machines.  The ½” Square bars plus the 1 ¼ space between the bars will increase material volume flow by 68%.  The more crop volume you can get out of the concave section, the less has to be separated over the grate section.

 

SO SLOW DOWN TO KEEP CROP IN OR ADD THE ESTES ROTOR LOSS KIT & GO!

 

Kit Price $1500.00

BEST IN CLASS

The new Estes RPR Thrashing/Separating concave System has addressed all of Thrashing-Separating Issues.

The new system has a patented round bar with a notch milled in it to restrict the crop flow and force material to rub on material. Then the bars are placed progressively open to ensure more crop flow through the concave system. The flow was increased by 68%. This is all followed up by the placing of the 7 Disrupter lugs :(14 cutting edges) into your existing separating grates to finish the separation operation.

AVAILABLE FOR

  • John Deere 50 Series
  • John Deere 60 Series
  • John Deere 70 Series
  • John Deere 80 Series
  • John Deere 90 Series

 

HARVEST PERFORMANCE

  • CORN – Thrash & Separate – 50 BU to 300 BU (wet & dry) NO ROTOR LOSS UP TO 5 MPH

 

  • SOY BEANS – Thrash & Separate  (green stem or dry) NO ROTOR LOSS

 

  • WHEAT – Thrash & Separate (excellent sample) NO ROTOR LOSS

 

  • POP CORN – Thrash & Separate (excellent test) NO ROTOR LOSS

 

  • RYE GRASS – Thrash & Separate  (even 5 feet tall) NO ROTOR LOSS

 

  • ALL CROPS – Increase capacity

 

All standard rotors lose 1-2 bushels
1000 acres = $8,000.00
rpr concave system
rpr concave 3
john deere sts concaves
concaves for sts john deere

SUPERIOR IN EVERY WAY

We constantly challenge the status quo. Nothing is worse than complacency, and as a brand our culture is to dissect every single decision we make at every level of the company.

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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