Description
When your three-point hitch won’t level properly, it’s often this little knuckle joint that’s causing the headache. This left-hand levelling box knuckle joint is the pivot point that makes side-to-side implement adjustment possible—and when it wears out, you’ll know it right away. Your disc harrow hangs crooked, your rotary cutter scalps one side, and no amount of fiddling with the levelling box seems to fix it.
What You’re Getting
- Heavy-duty forged construction that stands up to the constant stress from heavy implements
- Precision-machined pivot surfaces for smooth adjustment without binding or play
- Left-hand specific design that works with your existing levelling box assembly
- Direct replacement that installs without modifications or adapters
Built for Real Farm Work
This knuckle joint fits Major series adjustable levelling boxes found on a wide range of tractors. Whether you’re running a compact utility tractor with a box blade or a bigger machine pulling cultivation equipment, this knuckle handles the loads and keeps your implements working level. The Major series boxes are popular because they give you that fine adjustment control you need when field conditions change.
Made to Last
Three-point knuckles take a beating from multiple directions—vertical loads from heavy implements, side forces during turns, and shock loads when you hit rough ground. This forged steel construction is designed to handle those stresses better than cast alternatives, and the precision machining ensures smooth operation even after thousands of hours of use.
Installation Notes
Support the three-point arms properly before removing the old knuckle to take pressure off the joint. Clean all the mounting surfaces and pivot areas thoroughly, and apply appropriate grease to the pivot points. While you’ve got things apart, it’s worth checking the right-hand knuckle too—they often wear at similar rates and you don’t want to be tearing into this job again next season.
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