This genuine McCormick 6526113M93 accelerator pedal is an essential OEM replacement part designed for a wide range of McCormick X-series tractors, including X4.20, X4.30, X4.40, X4.50, X4.60, X5.35, X5.45, X5.55, X6.420, X6.430, X6.440, X7.440, X7.450, X7.460, X7.650, X7.660, X7.670, X7.680, X8.660, X8.670, and X8.680 models. It ensures reliable and precise engine speed control, critical for optimal tractor operation. This pedal is also cross-referenced with Landini and Valpadana models, highlighting its broad compatibility within the Argo Tractors Group.