This genuine McCormick 3557983M1 washer is an essential component for various McCormick agricultural tractors. Designed with a precise inner diameter of 25.5 mm, an outer diameter of 40 mm, and a thickness of 3 mm, it ensures proper fit and function. This washer is compatible with McCormick C, CX, MC, MTX, XTX, and ZTX series models, including C100, C105, C110, C50, C60, C70, C80, C90, CX100, CX105, CX110, CX50, CX60, CX70, CX75, CX80, CX85, CX90, CX95, MC100, MC105, MC115, MC120, MC130, MC135, MC80, MC90, MC95, MTX110, MTX120, MTX125, MTX135, MTX140, MTX150, MTX155, MTX165, MTX175, MTX185, MTX200, MTX225, XTX185, XTX200, XTX215, ZTX230, ZTX260, and ZTX280.