The McCormick 511786 wheel hub is a critical component designed for various Massey Ferguson tractor series, including the 100, 200, 300, 500, 600, 1000, 2000, 3000, 3100, 3600, 4200, 4300, 5400, 6100, 6200, 6400, 7400, 8100, and 8200 series. This robust hub ensures secure wheel mounting and smooth operation, directly replacing OEM part numbers such as Massey Ferguson 3381650M1, 3381650M2, and 3381650M3. With an outer diameter of 200 mm, an inner diameter of 110 mm, and a height of 100 mm, it weighs 5.5 kg, providing a precise fit and durable performance for agricultural applications.