The New Holland 81863112 Knob is a genuine OEM replacement part designed for various New Holland agricultural tractors. This essential component ensures proper functionality and control within the machine's cabin or operational interface. It is compatible with numerous models across the TD, TDD, TL, TN, and TS series, including TD5010, TD5020, TD5030, TD5040, TD5050, TDD100, TDD80, TDD90, TL100, TL100A, TL70, TL70A, TL80, TL80A, TL90, TL90A, TN55, TN55D, TN55S, TN60A, TN60DA, TN60SA, TN65, TN65D, TN65F, TN65S, TN70, TN70A, TN70DA, TN70F, TN70NA, TN70SA, TN75, TN75A, TN75D, TN75DA, TN75F, TN75FA, TN75NA, TN75S, TN75SA, TN80F, TN85FA, TN90F, TN95F, TN95FA, TN95NA, TS100, TS100A, TS110, TS110A, TS115, TS115A, TS80, and TS90 models, ensuring a precise fit and reliable performance.