The John Deere T28672 is a genuine OEM shaft designed for various John Deere agricultural machinery. This robust shaft ensures reliable power transmission in models including 4030, 4040, 4230, 4240, 4430, 4440, 4630, 4640, 4840, 8430, 8440, 8630, 8640 tractors, 6600, 7700 combines, 9900, 9910, 9920 cotton pickers, and 5440, 5460, 5720, 5730, 5820, 5830 forage harvesters. Weighing approximately 0.45 kg, it has a length of 292.1 mm and a diameter of 34.925 mm, making it an essential component for maintaining optimal machine performance.