The New Holland 87644555 is an authentic OEM potentiometer designed for precise control and reliable operation in a wide range of agricultural machinery. This critical component is compatible with New Holland T6000 and T7000 series tractors, including models like T6010, T6070, T7030, and T7070. It also fits various Case IH Puma and Maxxum series tractors, such as Puma 165 and Maxxum 140, as well as Steyr Profi and CVT series tractors, including Profi 4135 and CVT 6215. Ensuring accurate adjustments for essential machine functions, this potentiometer maintains optimal performance and operational efficiency across compatible models.