The McCormick 6640801A1 is a genuine compression spring designed for various McCormick CX, C-Max, and T-Max series tractors. This essential component ensures proper function within the machinery. It is also cross-referenced as OEM part number 87304191 for Case IH and New Holland agricultural equipment, including JX and TD/TL series tractors. Measuring approximately 95 mm in length and 51 mm in height, with a weight of 0.054 kg, this spring provides reliable performance.