Description
When you’re hooking up hydraulic pumps or PTO-driven equipment, having the right adapter makes all the difference between a smooth connection and a frustrating project. This pump adapter bridges the gap between different shaft sizes and connection types, letting you connect a 1-3/8 inch 6-spline drive to a 1 inch round shaft with a keyway. It’s the kind of adapter that saves the day when you need to make mismatched components work together.
What You’re Getting
- Female 1-3/8 inch 6-spline connection that fits standard tractor PTO shafts
- Female 1 inch round connection with 1/4 inch by 1/8 inch keyway for secure attachment
- 4-11/32 inch overall length provides proper spacing and alignment between components
- Heavy-duty construction built to handle the torque and vibration of pump operations
- Direct replacement design that eliminates the need for custom fabrication or modifications
Built for Real Farm Work
This is a pump drive adapter designed for hydraulic pump installations where you need to connect different shaft configurations. Whether you’re setting up a hydraulic pump on a tractor, connecting auxiliary equipment, or replacing worn drive components, this adapter handles the power transfer reliably. It’s commonly used in applications where the driving shaft and driven component have different spline counts or connection types.
Made to Last
Farm hydraulic systems put serious stress on drive components, especially when you’re running high-pressure pumps or heavy-duty equipment. This adapter is built with materials that can handle continuous operation, torque loads, and the inevitable vibration that comes with field work. The precision-machined connections ensure proper fit and power transfer without slippage or premature wear.
Installation Notes
This is a straightforward replacement that connects between your drive source and the pump or equipment you’re powering. Make sure both shafts are clean and properly aligned before installation. The keyway on the round end needs to line up properly with the corresponding key on your equipment shaft. Double-check that everything’s secure before putting the system under load.






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