Electric PTO Clutch ID: 1 ", Torque Correctly: To prevent premature failure, Diameter Pulley: 5 5/16 ", For Proper Ordering: Reference Warner or Ogura part numbers stamped on clutch, Height: 3 5/32 ", Made By: An OEM supplier. Fits Models: Replaces Part Numbers: Ogura GT1A-HU02, John Deere TCA20484, AYP 112233 Stens Part Number: 255-123