Description
When you notice hydraulic fluid pooling under your Ford 40 Series or New Holland TS tractor, there’s a good chance one of the pump’s O-rings has given up the fight. A hydraulic pump that’s leaking around the mounting points isn’t just messy – it’s losing the pressure and fluid flow your tractor needs for reliable operation of your three-point hitch, loader, and steering system. This large O-ring is designed specifically for the hydraulic pumps on these tractors and helps maintain the seal that keeps your system running strong.
What You’re Getting
- Premium rubber compound that resists hydraulic fluid and temperature extremes
- Large size specifically engineered for Ford 40 Series and TS Series hydraulic pump applications
- Direct replacement that fits original mounting points without modifications
- Quality seal that maintains proper system pressure and prevents contaminant entry
Built for Real Farm Work
These Ford New Holland tractors in the 40 Series (5640, 6640, 7740, 7840, 8240, 8340) and TS Series (TS90, TS100, TS110, TS115) are versatile agricultural machines used in demanding farming operations. The hydraulic pump powers essential systems including three-point hitch lift and lower functions, power steering for precise implement control, and these tractors excel in applications requiring frequent hydraulic operation such as loader work, implement positioning, transport duties, and field operations.
Made to Last
This O-ring uses quality rubber compounds that resist hydraulic fluid and temperature extremes, ensuring it can handle the constant pressure cycles and harsh conditions of farm work. It provides the proper barrier between your hydraulic pump and tractor housing, maintaining system pressure while keeping contaminants out of your hydraulic fluid.
Installation Notes
Installation involves removing the hydraulic pump, cleaning all sealing surfaces thoroughly, and installing the new seal according to proper torque specifications. Use a bit of hydraulic fluid on the new O-ring during installation – never force it into place. Clean each O-ring groove carefully with a pick or small screwdriver since old O-ring fragments left behind cause comeback leaks.






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