TNT Cover Plates (Compatible with CaseIH Concaves)

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Presenting our groundbreaking TNT Cover Plates for Concaves, a patented innovation that revolutionizes the material delivery process in single-rotor machines. Elevate your grain harvest efficiency with precision engineering that addresses the common challenge of sieve losses caused by uneven grain distribution from the Concaves onto the combine’s sieve sections. Our solution redefines the grain delivery point, ensuring a balanced load distribution across all sieves for optimal performance.


Our Cover Plates drop the grain evenly across the sieves, preventing the overloading of one side. The result? A larger sieving area, better grain-material separation, and significantly less loss out of the back.

Our number one and two Cover Plates are designed for all crops.

Extensive testing has demonstrated that these plates do more than just optimize grain delivery – they also enhance the threshing area of the Concaves, without overly reducing the concave separation area.

The design of our third and fourth plates perfectly meet the challenges of hot, dry conditions – for instance, when harvesting canola or other small grains such as wheat.

These plates delay the grain’s descent onto the sieve area, significantly improving the quality of grain sample in the tank. They are a huge advantage when trying to tackle white caps in your wheat sample.

We know every field and every crop is different, which is why our Cover Plates are flexible to your needs. Remember, the more you close up your Concaves, the higher the risk of rotor loss- so use only as required for your specific crop and conditions.

Our new Cover Plates for Concaves aren’t just an accessory, they are a revolution in harvest technology. Don’t just harvest – harvest smarter with our Cover Plates. Your crops, your machinery, and your bottom line will thank you.