The New Holland 5122591 Adjustment Disc is a genuine OEM component designed for accurate adjustment within New Holland and Case IH agricultural machinery. This essential disc helps maintain optimal spacing and alignment, crucial for the efficient and reliable performance of combines and forage harvesters. Constructed from durable materials, it ensures longevity and consistent operation in demanding agricultural environments. Key dimensions include an outer diameter of approximately 120 mm, an inner diameter of 60 mm, and a thickness of 2 mm.