The 6633765A1 is a genuine OEM shim washer designed for precise spacing and alignment in agricultural machinery. This washer features a 1mm thickness, a 40mm inner diameter, and a 58mm outer diameter. It is compatible with a wide range of McCormick, Case IH, and New Holland tractor models, including CX, MC, MTX, X6, X7, XTX series for McCormick; CX, MXM, MXU, PUMA, MAXXUM, CS series for Case IH; and T5, T6, T7, T8, T9, T6000, T7000, T7500, TM, TS, TVT, W170B, W190B, W230B, W270B series for New Holland.