Fits Models: John Deere 647-657 and 667 QuikTrak; 717 and 727 Mini frame ZTrak; 717 ZTrak
Specifications: ID: 1" ID 1" Pulley Diameter 6" Belt Width 1/2" or 5/8" Rotation Direction Counter clockwiseCool Coil TechnologyHigh Temperature Bearing UpgradeReplaceable Pulley BearingSuper Smooth "Xtreme Precision" Machined PulleyUpgraded to 3 Layer "Xtreme TOUGH" Integrated, Water Tight Wire Harness
Additional Information: Interchangeable with 255-146 Electric PTO Clutch 255-146 Electric PTO Clutch
