Join the Revolution

Kondex Revolution™ concaves are offered exclusively through John Deere dealers, currently available as a factory-installed option on new combines or a dealer-installed service option. These half-width concaves offer similar benefits to our KX7 concaves but in a one-piece design. Kondex Revolution concaves are backed by John Deere’s warranty.

Customer Review Video

High-Performance Concaves

Revolution MaxThresh™ Assemblies

  • Reduces whitecaps without concave covers to increase threshing capacity
  • Increases total capacity at lower power consumption in conditions like tough-threshing wheat
  • Flat grate segments with oval openings
  • Raised/angled interrupter bars
  • Laser cladding high-wear additive extends product life by 2-3 times

Revolution MaxRound™ Assemblies

  • Threshes well in tough conditions, like green-stem soybeans, while maintaining grain quality
  • Increased total capacity at lower power consumption in certain crop conditions, like high-moisture corn
  • Round-bar, angled-grate combination (S/STS Series)

Product Details

Kondex Revolution concaves offer greater versatility in matching varied crop conditions. They are also lighter, easier to change/install, and are available for S-Series, STS, and X9 combines*. Hardware is included with all concaves.

S/STS Series

Part No. BXE11457

Kondex Revolution Small Grains Full-Rotor Concave Kit for S/STS Series

Part No. BXE11458

Kondex Revolution Coarse Grains Full-Rotor Concave Kit for S/STS Series

Part No. BXE11144

Kondex Revolution MaxThresh Small Grains Front-Position Concave Kit for S/STS Series

Part No. BXE11145

Kondex Revolution MaxRound Coarse Grains Front-Position Concave Kit for S/STS Series

Part No. AXE76999

Kondex Revolution MaxThresh Assembly (single concave) for S/STS Series

Part No. AXE77000

Kondex Revolution MaxRound Assembly (single concave) for S/STS Series

Part No. AXE91114

Kondex Revolution MaxThresh Small Hole Assembly (single concave) for S/STS Series

*Kondex Revolution concaves are not available for 9560 STS, 9570, or S550 combines

X Series

Corn/Soybean Full Kit

Kondex Revolution Full-Rotor Concave Kit for X Series

Canola/Edible Beans/Lentils/Milo/Peas/Sunflower/Rice Full Kit

Kondex Revolution Full-Rotor Concave Kit for X Series

Barley/Flax/Millet/Oats/Wheat Full Kit

Kondex Revolution Full-Rotor Concave Kit for X Series

Part No. BXE11581

Kondex Revolution MaxThresh Small Grains Front-Position Concave Kit for X Series

Part No. BXE11582

Kondex Revolution MaxThresh/MaxRound Coarse Grains Front-Position Concave Kit for X Series

Part No. AXE90830

Kondex Revolution MaxThresh LH Assembly (single concave) for X Series

Part No. AXE90831

Kondex Revolution MaxThresh RH Assembly (single concave) for X Series

Part No. AXE90832

Kondex Revolution MaxRound LH/RH Assembly (single concave) for X Series