Description
When you’ve got a bigger tractor with a 1-3/4 inch 20-spline PTO shaft but need to run implements designed for the standard 1-3/8 inch 6-spline connection, work doesn’t have to stop. This set screw adapter bridges that gap, letting you use older rotary cutters, finish mowers, tillers, and other implements without expensive modifications or giving up perfectly good equipment.
What You’re Getting
- Converts 1-3/4 inch 20-spline female input to 1-3/8 inch 6-spline male output for broad implement compatibility
- Set screw attachment system provides a secure, non-slip connection that won’t work loose during operation
- Nearly 5-inch extension gives you better implement clearance and positioning flexibility
- Heavy-duty construction handles the torque and shock loads of demanding farm work
Built for Real Farm Work
This adapter is perfect when you’ve upgraded to a larger tractor but still have implements sized for smaller machines. Whether you’re running bush hogs, hay tedders, or PTO-driven generators, this adapter lets you keep using equipment that would otherwise sit idle. It’s also handy for mixing and matching implements from different manufacturers or eras.
Made to Last
Built from high-strength steel with heat-treated alloy construction and rust-preventative finish, this adapter handles the full horsepower your tractor can deliver. The set screws come included and create a secure connection that eliminates the play and vibration common with slip-on styles.
Installation Notes
Clean your tractor’s PTO shaft thoroughly before installation – any dirt or rust prevents proper seating. The set screw design requires even tightening to avoid distortion, and always verify the adapter is fully seated and secured before operating. A loose PTO adapter is extremely dangerous, so double-check your work before heading to the field.
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