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ISO Conversion Kit for John Deere 20, 30, and 40 Series Tractors
Upgrade your John Deere tractor with confidence using our proven ISO conversion kit. Designed for easy installation using the original SCV housing, this kit includes everything you need.
This kit does not fit early style barrel couplers on pre 68-69 20 series. See my 10-20 series listing for details on that.
WHAT MAKES THIS KIT BETTER THAN OTHERS? You’ll notice that the rear of our SCV internal has a large nut rather than a tiny bolt. Which of those two pieces do you think is going to fail in 20 years? Or worse, which one of those is your teenager gonna accidentally snap off when they’re putting this kit in for you?
We’ve installed this kit on over 100 tractors in our own shop, and it’s become a trusted solution for regional repair shops and farmers alike. Whether you're running a busy service bay or maintaining your own equipment, this kit delivers reliable performance you can count on.
✔️ Genuine FASTER brand couplers
✔️ Bulletproof design—install it and forget it
✔️ Field-tested and shop-approved
Buy with confidence and keep your equipment running smoothly with a kit that’s built to last.
Have questions or need help with your install? Send us a message and we’ll be in touch as soon as possible!
UPS shipping methods available on my other listing. Feel free to message for details.
International buyers: if this listing doesn’t allow shipping to your country, please send me a message and I will direct you to my International Shipping Listing.

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