Description
When your three-point won’t hold implements up or your loader’s getting sluggish, internal pump leaks are probably stealing your hydraulic pressure. Your John Deere’s hydraulic pump is the heart of your three-point hitch, loader, and remote hydraulics. When seals wear out, you don’t just lose fluid – you lose the pressure needed to lift heavy implements, operate your loader smoothly, or run hydraulic motors efficiently. This comprehensive O-ring kit restores proper sealing and gets your hydraulics back to full strength.
What You’re Getting
- Precision seals designed specifically for your hydraulic pump’s operating pressures and temperatures – not generic rings that sort-of fit
- Updated compounds that resist breakdown while maintaining flexibility to handle modern hydraulic fluids
- Complete set of O-rings for proper pump rebuild and long-lasting performance
- Cost-effective alternative to replacing the entire hydraulic pump assembly
Built for Real Farm Work
This O-ring kit fits John Deere tractors across the 30, 40, and 50 series lineup, covering everything from compact utility models to row-crop workhorses. Whether you’re running a 1140 around the farmyard or working fields with a 4430, this kit handles the hydraulic demands of serious farm operations from three-point implements to front-end loaders.
Made to Last
Farm hydraulic systems take a beating from dust, temperature extremes, and constant pressure cycling. These seals use updated compounds that resist breakdown while maintaining flexibility, standing up to the harsh conditions and demanding service that comes with agricultural work.
Installation Notes
This is a complete rebuild job that requires splitting the pump housing, so plan accordingly with shop time and tools. Clean all surfaces thoroughly during reassembly and follow proper torque specifications. While you’ve got the pump apart, it’s a good time to inspect other internal components for wear.
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