Electirc PTO Clutch Diameter Pulley: 5 1/4 ", Designed For: Rugged use, Height: 3 1/2 ", Clutch Applications: Residential and commercial, Made By: An OEM supplier, For Proper Ordering: Reference Warner or Ogura part numbers stamped on clutch, Direction: Counter clockwise, Uses belt width: 1/2 " or 5/8", ID: 1 ", Torque Correctly: To prevent premature failure. Fits Models: Replaces Part Numbers: Warner 5217-36, John Deere am121972 Stens Part Number: 255-141