For 25 years Kooima® Company has been manufacturing replacement forage harvester parts, combine parts, mixer wagon knives, header adapters and more! We are an independent manufacturer of replacement parts for a variety of companies such as John Deere®, Claas®, New Holland® and Krone®, because of this we are able to produce quality parts at competitive prices.  Try the Kooima® Direct Advantage today! You’ll eliminate the middleman by communicating with a one source dealer, distributor and manufacturer so we’ll understand your questions and needs.

For information on current job openings click here.


Fully automated parts shipping area


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Kooima® Company is continually working to improve customer service with the addition of a 45,000 square foot warehouse and shipping area.
Once finished this addition will be 60’ tall and fully automated to expedite storing, inventorying, and shipping our customers replacement agricultural parts better than ever!  Check back for updates!


Mixer Wagon Knives

Kooima® Company has a long history and impeccable reputation for manufacturing a quality product, serving both OEM and after-market ag customers.  Our vertical and TMR mixer knives are available in standard or high performance styles.  Standard mixer knives are made of heat treated high carbon steel with a tungsten carbide cutting edge.  High performance mixer knives feature Kooima® Company’s exclusive patented tungsten carbide insert cutting surface for unsurpassed performance. Our customers prefer the Kooima® brand knives, sharper knives save you fuel, time and money.  Contact our knowledgeable sales department today and ask how we can save YOU time and money!

Header Adapters

To fit John Deere®, Claas®, New Holland®Krone® and more!

See these parts in action.


Head Cart

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This cart will tow 678 Kemper™, 4500 Kemper™, all small drum Kemper™ heads up to 10 row, 15′ hay heads, Claas® RU450 and 600- We haven’t found a chopping head it can’t safely tow! US Patent # 8,919,800

Premium Silage Covers


Check out our Premium Silage Covers! Click here for more information on sizes and prices!

Koyma Klad® Silage Plus Processor

Check out the Koyma Klad® Silage Plus Processor for a new and more efficient way to process your silage.