Quick Disconnect PTO Adapter 6-Spline Female to 21-Spline Male
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Quick Disconnect PTO Adapter 6-Spline Female to 21-Spline Male

Original price was: $82.66.Current price is: $24.79.

SKU: SMA-442-SP16611 Categories: , ,

Description

There’s nothing more frustrating than trying to connect implements to your tractor when the splines don’t match. You’ve got a 6-spline implement that needs to work with your tractor’s 21-spline PTO shaft, and you need a solution that’s both reliable and quick to use. This quick disconnect adapter bridges that gap, letting you connect your equipment without the hassle of hunting down different implements or making expensive modifications.

What You’re Getting

  • Quick-disconnect design lets you connect and remove implements in seconds without tools
  • 1-3/8 inch diameter on both ends fits the standard size used on most tractors and implements
  • 6-spline female end accepts your implement’s PTO shaft
  • 21-spline male end connects to your tractor’s modern high-torque PTO output
  • Precision-machined splines ensure full contact for maximum power transfer

Built for Real Farm Work

This adapter handles the conversion from modern tractors with 21-spline PTO shafts to older implements and equipment designed for 6-spline connections. Whether you’re running a rotary cutter, finish mower, or other implement that was built for smaller tractors, this adapter lets you use that equipment with today’s higher-horsepower machines without losing performance or safety.

Made to Last

Built from heat-treated alloy steel with a rust preventative finish, this adapter is designed to handle the torque and shock loads that come with agricultural work. The quick-disconnect mechanism is engineered to stay secure under load while still allowing easy removal when you need to switch implements.

Good to Know

Simply slide the female end onto your tractor’s PTO shaft, secure with the quick-release mechanism, then connect your implement to the male end. Always make sure your implement is rated for your tractor’s horsepower, and remember that this adapter provides the mechanical connection but doesn’t change the actual RPM output. Keep the splines clean and lightly greased for smooth operation and long life.

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