Description
You’ve probably seen that warning light on your dash and wondered if it’s really something to worry about. When your hydraulic oil pressure drops—whether from an aging pump, worn lines, or contaminated fluid—this pressure switch is your first line of defense, alerting you before expensive damage occurs. A failed switch leaves you flying blind on hydraulic pressure, which can cost you big time if you don’t catch problems early.
What You’re Getting
- Reliable electrical contacts that trip at the right pressure to warn of low hydraulic oil pressure
- Durable housing designed to handle the heat and vibration of hydraulic system operation
- Direct replacement for factory switch—no wiring modifications needed
- Proper thread pitch ensures secure installation without system leaks
Built for Real Farm Work
This switch is designed for Massey Ferguson’s versatile 300 series utility tractors and the larger 4200/4300 series models. Whether you’re running a loader on your 365, pulling implements with your 4240, or using hydraulic remotes on your 4355, these tractors depend on proper hydraulic pressure for everything from three-point hitch operation to power steering and implement control.
Made to Last
Farm hydraulic systems run hot, get contaminated, and vibrate constantly. This switch handles all that with electrical contacts that won’t stick or corrode and a body that seals out moisture and debris. It’s built to give you thousands of hours of reliable warning system operation.
Installation Notes
Most hydraulic pressure switches thread into the main hydraulic block or pump housing. Clean the threads and apply a light coating of pipe thread sealant to prevent leaks. While you’ve got the system open, it’s a good time to check your hydraulic fluid level and condition—dark, burnt-smelling fluid often indicates the pressure problems that kill switches in the first place.
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