Description
When your tractor’s cab feels like an oven instead of keeping you comfortable during those long summer days, the problem might be lurking in a small but critical part of your AC system. The expansion valve is your air conditioning’s throttle—it controls exactly how much refrigerant flows into the evaporator, and when it fails, you’ll know it fast. This replacement valve gets your AC back to doing what it’s supposed to: keeping you cool so you can focus on the work at hand.
What You’re Getting
- Compatible with both R12 and R134a refrigerant systems, so it works whether your tractor’s older or newer
- Precise refrigerant flow control that prevents evaporator freeze-up and ensures consistent cooling
- Flange-type mounting design for secure installation and leak-free operation
- Built to handle the vibration and temperature extremes that come with tractor work
- Direct replacement that fits properly without modifications or adapters
Built for Real Farm Work
This expansion valve covers a wide range of Massey Ferguson and Allis Chalmers tractors, from compact utility models to big row-crop machines. Whether you’re running a smaller MF306 for livestock work or pushing through harvest season with an AC 9785, this valve ensures your cab stays comfortable when the outside temperature climbs.
Made to Last
Tractor expansion valves take a beating from constant vibration, dust, and temperature swings from sub-zero winters to sweltering summers. This valve is built to handle those conditions with quality construction that maintains proper refrigerant flow regulation season after season.
Installation Notes
Always replace the receiver drier when changing expansion valves to remove moisture and debris that can cause immediate failure. Use new O-rings and follow proper torque specs—this isn’t a place to cut corners. If you’re not comfortable working with AC systems, it’s worth having your dealer handle the job to ensure everything’s done right.
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