Description
When your Dual Power transmission starts acting up—maybe it’s not shifting as smoothly or you’re noticing hydraulic fluid under the tractor—a worn O-ring could be the culprit. This specialized O-ring (QTP-42197) provides hydraulic pressure sealing in the Dual Power system, keeping transmission fluid where it belongs and maintaining the pressure needed for smooth power shifting.
What You’re Getting
- Precision-molded O-ring designed specifically for Dual Power hydraulic circuits
- Maintains the 240-260 PSI operating pressure required for reliable power shifting
- Sold as a pack of 2 for convenient service—perfect since these systems often need multiple seals replaced
- Direct replacement that restores proper sealing without modifications
Built for Real Farm Work
The Dual Power system is a two-speed powershift unit that doubles your available transmission ratios by providing both direct drive and underdrive speeds for every gear. That dual power feature lets you shift on-the-go between field speeds and transport speeds without clutching—perfect when you’re baling and need to slow down for thick windrows, or when you’re cultivating and hit a tough spot.
Made to Last
This O-ring is built to handle the constant pressure cycling and temperature changes that come with hydraulic transmission work. The rubber compound resists degradation from transmission fluid and maintains its sealing properties through thousands of shift cycles.
Good to Know
These O-rings are often replaced as part of a complete Dual Power seal kit rebuild, but they’re also available individually for targeted repairs. If you’re experiencing transmission problems, check all the seals while you’re in there—it’s easier than doing the job twice.






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