Description
When your Massey Ferguson starts getting hard to start, runs rough, or starts blowing black smoke, the injection pump is usually the culprit. This is the heart of your diesel fuel system—the precision component that meters exactly the right amount of fuel to each cylinder at precisely the right moment. When it starts acting up, you’ll know it, and there’s no limping along with a failing pump when there’s work to do.
What You’re Getting
- Complete CAV DPA rotary injection pump built to original specifications
- Precision fuel metering that delivers consistent power across all RPM ranges
- Direct bolt-on replacement—no modifications needed for proper installation
- Robust construction designed to handle the demands of farm work
- Compatible with existing fuel lines and system components
Built for Real Farm Work
This pump fits the rugged Massey Ferguson 300 and 3000 series tractors that have been the backbone of farming operations for decades. Whether you’re running a 390T through heavy tillage, using a 398 for loader work around the farmyard, or putting a 3065 or 3070 through long days of field cultivation and planting, this injection pump delivers the precise fuel delivery these diesel engines need to run strong under load.
Made to Last
CAV DPA pumps are legendary for their durability and precision. This replacement pump features the same rotary design that’s been proven reliable for decades—internal components that can handle millions of pressure cycles while maintaining accurate fuel timing. The robust housing resists the vibration and temperature extremes that come with daily farm use.
Installation Notes
This is a job for someone with mechanical experience since fuel timing is critical to proper engine operation. Mark your old pump’s position before removal, or better yet, have a qualified diesel mechanic handle the installation. While you’ve got everything apart, it’s a good time to replace fuel lines and check your injectors—worn components can make even a new pump work harder than it should.






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