The Case IH 9977636 is a genuine OEM knob designed for a wide range of Case IH agricultural and construction equipment. This essential component ensures proper control and operation across numerous models including Farmall A series tractors, Maxxum, Puma, Vestrum, Optum, Magnum, Steiger, and Quadtrac tractors, as well as Axial-Flow combines, Patriot sprayers, and various balers and mowers. Manufactured to original specifications, it provides reliable performance and a precise fit, with dimensions of 38.1 mm in length, width, and height, and a weight of 0.02268 kg.