Description
When your disc bearing housing starts collecting dirt and debris, that grinding sound isn’t far behind. This dust cap is your first line of defense against the stuff that kills bearings prematurely—field dust, moisture, crop residue, and grime. A simple cap like this can add seasons of life to your disc bearings and save you from a costly breakdown during planting season.
What You’re Getting
- AgSmart quality construction that seals out dirt while allowing proper ventilation
- 3/4 inch bolt hole design fits specific bearing applications on Landoll and Sunflower equipment
- Direct replacement for worn or missing caps—no modifications needed
- Heavy-duty steel construction handles the vibration and impacts of disc work
Built for Tillage Work
This cap fits Landoll 6000 and 7000 Series disc harrows along with Sunflower 1200, 1400, 1500, and 6631 Series units, plus Sunflower 1232 Crumbler and 1230, 1430, 1434 disc harrows. These are the machines you rely on for breaking up corn ground in the fall, working bean stubble, and getting seedbeds ready for spring. Whether you’re working heavy clay or lighter soils, keeping those bearings clean extends their life significantly.
Made to Last
Farm equipment dust caps take abuse from rocks, debris, and constant vibration. This AgSmart cap is built to stay put and keep working season after season. The steel construction resists cracking and the proper fit ensures it won’t work loose during operation like cheaper alternatives.
Good to Know
Installation is straightforward—remove the old cap and bolt on the new one with your 3/4 inch hardware. If you’re replacing bearings, this is the perfect time to install fresh caps. Check that the bearing housing threads are clean before installation to ensure a proper seal.


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