PTO Adapter 1-3/8″ 6 Spline Female x 1-3/8″ x 21 Spline Male



Create additional length on the end of your PTO. This tractor PTO shaft adapter has both a female 6 splined end and a male 21 splined end, each end has a diameter of 1-3/8 in. This allows more connection options, and the quick release button on this PTO shaft adapter generates an easy connect and disconnect operation. Ideal for anyone that owns an older tractor since the older parts may not be produced anymore and are less common. Use this PTO adapter to continue using your tractor without the hassle of searching for PTOs.


  • PTO adapter
  • Female: 1-3/8″ x 6 spline
  • Male: 1-3/8″ x 21 spline
  • Overall length: 7-3/16″
  • Max HP: 75
  • Extends PTO: 4-1/8″
  • Material: Mild steel
  • Finish: white zinc plated

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