Description
When you’re cutting brush and pasture, hitting rocks and stumps is part of the job. That’s where a good stump jumper system comes in—it lets the blade flex back when it hits something solid, saving your gearbox and blade from damage. This hub is what connects your blade to the stump jumper assembly, and when it wears out or gets damaged, you’ll need a replacement that fits right and holds up.
What You’re Getting
- Precision 15-spline design with tapered splines for secure engagement with your gearbox output
- Built specifically for stump jumper setups that protect your equipment from impact damage
- Tough construction that handles the shock loads when you hit obstacles
- Direct replacement for worn or damaged hubs—no modifications needed
Built for Real Farm Work
This hub works with 75 HP rotary cutter gearboxes that have 2-inch, 15-spline outputs. Whether you’re maintaining fence rows, clearing brush, or keeping pastures tidy, this hub keeps your stump jumper system working like it should. The tapered splines ensure a tight fit that won’t work loose during operation.
Made to Last
Stump jumper hubs take a beating every time your blade hits something solid. This one’s built from quality materials that can handle the repeated shock loads without cracking or wearing out the splines. The precise machining ensures smooth operation and reduces wear on your gearbox output shaft.
Installation Notes
The tapered splines slide onto your gearbox output shaft and lock in place with the castle nut. Make sure the splines are clean and free of debris before installation. If your old hub was stuck on tight, a gear puller makes removal much easier than trying to beat it off.


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