2940 Firming Wheel

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Set the stage for even emergence and facilitate the ideal growing environment with the pneumatic 2940 Air Adjust™ Firming Wheel. An easy-to-use auxiliary button on the Air Adjust In-Cab Controller makes it possible to increase or decrease the amount of pressure on the Firming Wheel from the tractor seat.


  • Adjustable air pressure increases or decreases down pressure or lifts unit if desired
  • Is available in models compatible with Deere, Kinze, and White planters
  • Complements closing wheels by firming the seed zone
  • Pneumatic control makes it simple and quick to increase or decrease amount of pressure on wheels
  • Enhances seed-to-soil contact and preserves moisture, leading to uniform emergence
  • Creates a more uniform growing environment and helps eliminate air pockets




  • Weight: 60 lbs.
  • Adds 39" to transport width



Download file: 2940_Air_Adjust_Series.pdf

2940 Air Adjust™ In-Cab Controller

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Quickly make adjustments to the Yetter Air Adjust products with the 2940 In-Cab-Controller, also available in an ISOBUS-compatible option.

2940 Air Adjust™ Pneumatic Controller Kit and Compressor Kit

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The 2940 Pneumatic Controller features pneumatic technology to make the fastest adjustments in the industry utilizing the Yetter-exclusive Proportional Quick Exhaust (PQE) valve system.

2940 Air Adjust™ Residue Manager

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Take pneumatic control from the cab and quickly adapt residue managers to changing conditions.

2940-010 Air Adjust™ Coulter/Residue Manager Combo

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Take control from the cab with the pneumatic 2940-010 Air Adjust Coulter/Residue Manager Combo, a unit-mounted coulter with an adjustable floating residue manager.

2940-020 Rolling Basket

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The pneumatic 2940 Air Adjust™ Rolling Basket crumbles and firms soil, leading to a smoother ride for row-unit gauge wheels and more consistent ground conditions.