The AGCO 545582D1 is a genuine M16x1.5 nut, designed for a wide range of Massey Ferguson tractors. This essential fastening component ensures secure connections in various applications across the 100, 200, 300, 500, 600, 800, 1000, 2000, 3000, 4000, 5000, 6000, and 8000 series, including specific models like MF 135, 148, 165, 168, 175, 178, 185, 188, 230, 240, 250, 265, 275, 285, 290, 298, 362, 365, 375, 390, 398, 399, 550, 565, 575, 590, 595, 675, 690, 698, 699, 8110, 8120, 8130, 8140, 8150, 8160, 8210, 8220, 8240, 8250, 8260, 8270, 8280, 8450, 8460, 8470, 8480, 8650, 8660, 8670, 8680, 8690, 8727, 8730, 8732, 8735, 8737, and 8740.