Description
When your PTO shaft or other coupling starts acting up—vibrating more than usual or making noise during operation—chances are it’s time to replace that worn-out spider. This flexible coupling component is what absorbs shock and handles misalignment between connected shafts, keeping your equipment running smooth even when things aren’t perfectly lined up in the field.
What You’re Getting
- Made from Buna-N rubber that’s specifically designed to resist oil and hydraulic fluids
- Handles temperature swings from -40°F to +212°F, so it works in all seasons
- Accommodates up to 1 degree of angular misalignment and 0.015 inches of parallel offset
- Direct replacement for L150 series coupling assemblies—no modifications needed
- Oil-resistant material that stays flexible and resilient for years of service
Built for Heavy-Duty Farm Work
This spider fits Lovejoy L150 series couplings, which are commonly found on larger tractors, combines, and other heavy agricultural equipment. These couplings connect PTO shafts, pump drives, and other power transmission components where you need reliable torque transfer with some forgiveness for misalignment.
Made to Last
The Buna-N rubber construction is specifically chosen for farm equipment because it handles exposure to hydraulic oil, gear oil, and diesel fuel without breaking down. This isn’t regular rubber—it’s formulated to stay flexible through temperature changes and resist the chemicals it’ll encounter on your equipment.
Good to Know
Installation is straightforward—the spider fits in the center of the coupling between the two body ends. When replacing, it’s smart to check that your shafts are reasonably aligned to get the longest life from the new spider. A little misalignment is normal and expected, but excessive offset will wear out any spider faster than it should.
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