The McCormick 3687846M1 spring is a genuine OEM component designed for various McCormick CX, MC, MTX, and XTX series tractors. This robust spring, with an overall length of 110 mm, an outer diameter of 40 mm, and a wire diameter of 10 mm, ensures reliable performance in demanding agricultural applications. It is also compatible with a wide range of Landini Legend, Powerfarm, Powermondial, and Massey Ferguson 6100, 6200, 8100, 8200 series tractors, providing essential support and functionality.