The John Deere Z72517 is a genuine OEM clutch disc featuring 20 outer splines and a 254mm (10-inch) diameter, designed for robust power transmission in a wide range of John Deere agricultural and harvesting machinery. This high-quality drive disc, weighing approximately 1.496 kg (3.3 lbs), ensures durable performance and precise engagement within the clutch system. It is a direct replacement part, ensuring optimal fit and function for compatible John Deere models, including 7000 series tractors, 9000 series combines, 9900 series cotton pickers, and 6000 series forage harvesters. This part is superseded by John Deere part number RE15926.