Description
When you’re cutting through a field and notice your combine’s cutting performance isn’t what it used to be, it’s often the sickle that needs attention. A worn or damaged sickle bar means uneven cuts, more crop loss, and frustration when you should be making good time. This left-hand spliced sickle assembly gets your John Deere 635D header back to cutting clean and efficient, so you can focus on getting the crop in.
What You’re Getting
- High-quality KONDEX construction that meets or exceeds OEM standards for reliable performance
- Pre-spliced 53-section assembly saves you hours of field time compared to rebuilding section by section
- Fine tooth serration with 14 teeth per inch delivers clean cuts through various crop conditions
- Engineered specifically for the demanding requirements of 35-foot header operation
Built for Real Farm Work
This sickle assembly is designed for John Deere’s 635D Advanced Series combines, machines that handle everything from soybeans and wheat to specialty crops. Whether you’re running through standing corn stubble, cutting lodged grain, or working in wet conditions, the 35-foot header requires a sickle that can maintain consistent cutting performance across the full width.
Made to Last
KONDEX builds their sickle assemblies to handle the constant vibration and impact that comes with combine operation. The fine tooth design cuts cleanly while the robust construction holds up to rocks, dirt, and the inevitable debris you encounter in real field conditions. Each section is manufactured to precise specifications for proper fit and long service life.
Installation Notes
This is a direct replacement assembly that installs just like the original. The pre-spliced design means you’re getting a complete left-hand assembly ready to mount. Take time to check your sickle guides and hold-down clips while you’ve got the old assembly off—it’s the perfect opportunity to replace any worn components.


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