One New Aftermarket PTO Quick Release Extension PTO Clutch Fits:

Fits Allis Chalmers, Fits Case IH, Fits Ford/New Holland, Fits John Deere, Fits Kubota, Fits Massey Ferguson, Fits White, Fits Oliver, Fits Minneapolis Moline

Item Specs:

Inner Diameter (Female): 1.375″ (1-3/8″), 6 Spline
Outside Diameter (Male): 1.375″ (1-3/8″), 6 Spline

For Use with 540 RPM Tractor PTO Shafts with Pre-Drilled Hole