World-class grain quality

New Holland invented the Twin Rotor™ concept over 40 years ago, and has been refining and evolving this technology for four decades to offer farmers ever increasing capacity and improved grain and straw quality. New Holland also knows that no two farms are alike, so two different types and sizes of rotor have been developed to suit farmers’ individual needs. The 17” standard rotors are fitted to the CR7.90 - CR8.80 models, and the heavy duty, high capacity 22” design are fitted to the CR8.90, CR9.80, CR9.90 and CR10.90 models. A bespoke machine for top drawer quality and performance.

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Twin Pitch rotors

  • Standard Twin Pitch rotors feature 44 elements and deliver a performance increase in many cropping conditions
  • They can offer up to a 10% increase in capacity in damp conditions
  • You can also manually adjust the rotor vanes to ensure pitch perfect performance
  • Twin Pitch Plus rotors are standard on the CR10.90 and feature 75mm rasp bars for enhanced threshing performance
  • Two different kits are available which enable operators to select, or even convert between, rice and small grain configurations
  • Standard S³ rotors are still available

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Productivity enhancing Dynamic Feed Roll™

The addition of the optional Dynamic Feed Roll™, which is located in front of the rotors, simultaneously speeds up the crop, for smoother, streamlined feeding, and automatically directs stones into a dedicated trap. The additional serrated roll, available on all models, improves feeder performance by up to 10% on 22” rotor machines and by up to 15% on 17” rotor variants.

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Everything in good time

The rotor vanes can be adjusted to either accelerate or slow down the crop flow to regulate the time provided to thresh and separate the grain.

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Concave flexibility

  • Crop-to-crop flexibility is achieved courtesy of easy to change concaves and separation grates
  • Choose between the very finest small wire options for small grains right through to the round bar concaves and grates for maize and soya beans

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Pitch perfect performance

  • The Twin Pitch Plus rotors, available exclusively on the CR10.90, feature larger and taller rasp bars to significantly increase the threshing area

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Straw Processing

Once the straw has reached the end of the rotors, the 400mm diameter straw flow beater moves straw onto the positive straw discharge belt. This belt directs the straw rearwards, for efficient flow through to the rear of the combine.

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