This genuine OEM McCormick 1423516M1 shim, also cross-referenced as a Massey Ferguson and Landini part, is designed for precise adjustment in agricultural machinery. It features an outer diameter of 58mm, an inner diameter of 40mm, and a thickness of 1.5mm. This critical component ensures proper spacing and alignment in numerous tractor models, including McCormick CX, MC, MTX, XTX, ZTX, Massey Ferguson 300, 400, 500, 600, 800, 2000, 3000, 4000, 5000, 6000, 8000 series, and various Landini tractor lines.