The Massey Ferguson 186198M1 safety ring is a genuine OEM component designed for secure fitment within various Massey Ferguson agricultural machinery. This essential safety ring features an inner diameter of 44.5 mm, an outer diameter of 51 mm, and a thickness of 1.5 mm, ensuring precise compatibility. It is suitable for a wide range of MF tractor models including the 100, 200, 500, 600, 1000, 2000, 3000, and 3600 series, providing reliable performance and maintaining system integrity.