Description
When your hydraulics start acting sluggish or you notice they’re not developing the power they used to, the problem might be right under your nose. The relief valve fails, it typically sticks open, dumping your hydraulic pressure back to the tank instead of to your cylinders where it’s needed. This valve cap top is the small but critical piece that keeps everything sealed and working right on your Massey Ferguson’s hydraulic relief valve system.
What You’re Getting
- Precise fit that maintains proper hydraulic pressure control in your system
- Durable construction built to handle the constant pressure cycling of farm work
- Direct replacement part that restores factory specifications and performance
- Quality materials that won’t crack or deteriorate under hydraulic fluid exposure
Built for Real Farm Work
Your Massey Ferguson 200 and 300 series tractors are versatile machines built for serious work. Whether you’re running a front-end loader on your 240, operating a backhoe on your 290, or using hydraulic top links on your 390, proper system pressure is essential. These 50-90 horsepower tractors often work with demanding hydraulic implements – round balers, hydraulic fold cultivators, or heavy-duty loaders. The models this fits – 165, 185, 265, and 285 – are the workhorses you’ll find on farms running everything from hay operations to row crop work.
Made to Last
This isn’t just a pressure relief valve component – it’s calibrated specifically for your tractor’s hydraulic system. The high pressure setting provides the pressure needed for auxiliary hydraulics while protecting your pump from overload. The precision components maintain accurate pressure control despite thousands of cycles. It’s built to handle the vibration, heat, and constant use that comes with real farm work.
Good to Know
Before replacing components, confirm the relief valve is actually the problem – a pressure gauge at the remote outlets will tell you if you’re getting full system pressure. Clean the valve area thoroughly before installation; any debris can prevent proper seating. Don’t attempt to adjust or modify the pressure setting – these are factory calibrated and tampering will cause problems. This cap works as part of the complete relief valve assembly to keep your hydraulics running at peak performance.






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