Description
When your PTO starts slipping or won’t engage at all, it’s usually this disc that’s worn out. These friction discs are the heart of your tractor’s power take-off system, transferring engine power to run everything from balers to mowers. This 7-inch replacement disc gets your classic Oliver back to full power, so you can count on smooth operation whether you’re running a hay rake or powering a feed grinder.
What You’re Getting
- 12 spline, organic lining that grips properly without being too aggressive
- 7 dia., 1 hub configuration matches your original equipment exactly
- Organic friction material that handles heat well and wears evenly
- Direct replacement design – no modifications or adapters needed
Built for Real Farm Work
This disc fits a wide range of classic Oliver tractors including the 77, Super 77, 88, Super 88, Super 99, plus the later 770 and 880 models. These workhorses were built to handle everything from cultivating corn to running threshing machines, and this PTO disc is engineered to keep up with whatever job you’re tackling.
Made to Last
The organic lining material provides the right balance of grip and durability for PTO applications. It engages smoothly without grabbing, handles the heat that comes with heavy PTO work, and wears gradually so you get plenty of warning before it needs replacing again.
Good to Know
PTO clutch work usually means splitting the tractor, so it’s a good time to inspect other clutch components while you’re in there. Check your pressure plate for wear and make sure the release mechanism is working smoothly. A little grease on the splines helps prevent corrosion and makes future service easier.






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