Description
When your sickle knife starts leaving ragged cuts or tearing hay instead of making clean slices, it’s time to get back to the sharp, efficient cutting that keeps your hay quality high. A dull or damaged sickle knife doesn’t just slow you down—it can bruise stems, reduce feed quality, and make your mower work harder than it should. This riveted 9-foot knife assembly brings back that clean cutting action you need for top-quality hay.
What You’re Getting
- Complete 9-foot riveted knife assembly with 36 sections already installed
- Top serrated sections with fine tooth design (14 teeth per inch) for clean cutting
- Riveted construction that holds up to the shock and vibration of field work
- Direct replacement design—no modifications needed for installation
- Needle bearing style head compatibility for smooth operation
Built for Real Farm Work
This knife assembly fits several generations of John Deere mowers including the 47, 50, 250, 350, 450, and 3700 models. Whether you’re cutting first cutting alfalfa, timothy grass, or mixed hay, these mowers have been workhorses in hayfields for decades. The fine tooth serration pattern works especially well for clean cuts on tender stems.
Made to Last
The riveted sections stay put even when you hit rocks, stumps, or other obstacles that would loosen bolted sections. Each section is heat-treated for long cutting life, and the fine serration pattern maintains its edge longer than coarser teeth. The sections are spaced properly to work with your existing guards and hold-down clips.
Good to Know
Before installing, check your guards for wear and alignment—new sections work best with straight, properly spaced guards. When installing, make sure the knife bar slides smoothly in the guides and that all hold-down clips are secure. Take a few minutes to adjust your cutting height and speed for the new sections to get the best cut quality.
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