Specification Brand : echosari BulletPoint : Manufacturer part number A056000010 BulletPoint1 : The ROP Shop replacement PTO Clutch CCW For Simplicity Regent 1694313, 1694316, 1694656, 1694659, 1694749 BulletPoint2 : Specs - Crankshaft: 1". Pulley Outside Diameter: 5 5/16". Direction: Counter Clockwise (CCW). Belt: 1/2" or 5/8". Refer to images 2 & 3 for more information BulletPoint3 : Includes - (1) PTO Clutch & (1) Installation Manual; comes as shown in the first image BulletPoint4 : Clutch contains a preinstalled keyway; however, modification of your existing keyway may also be required for successful installation BulletPoint5 : Please be sure to check your part or model number to ensure this is the correct electric clutch for your unit. Also, please note this may replace multiple part numbers ExternallyAssignedProductIdentifier : 00193979380072 ExternallyAssignedProductIdentifier1 : 0766239272228 ExternallyAssignedProductIdentifier2 : 766239272228 ItemName : Echo / Shindaiwa A056000010 CLUTCH ASY. ItemPackageDimensions_Height : 8 inches ItemPackageDimensions_Length : 12 inches ItemPackageDimensions_Width : 4 inches ItemPackageQuantity : 1 ItemTypeKeyword : industrial-brake-and-clutch-accessories Manufacturer : Echo ModelNumber : ech A056000010 NumberOfItems : 1 PartNumber : A056000010 ProductDescription : Echo - clutch asy., manufacturer part number A056000010 ProductSiteLaunchDate : 2012-06-29T21:25:07.705Z SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 40000000