The AGCO 521647 Stuffing Box is an OEM component designed to provide a reliable seal for rotating shafts in various Massey Ferguson, White, and Allis Chalmers agricultural tractors. This essential part prevents fluid leakage and ensures proper operation of the machinery. It is compatible with a wide range of models including Massey Ferguson 1080, 1085, 1100, 1105, 1130, 1135, 1150, 1155, 1500, 1505, 1800, 1805, 2640, 2680, 2705, 2745, 2775, 2805, 3505, 3525, 3545, 4800, 4840, 4880, 4900, 4995, 970, 975, 980, 985; White 2-105, 2-110, 2-135, 2-150, 2-155, 2-180, 2-85, 2-88, 4-150, 4-180, 4-210, 4-225, 4-270; and Allis Chalmers 7000, 7010, 7020, 7030, 7040, 7045, 7050, 7060, 7080, 7580, 8550 series tractors.