The Case IH 87644079R is a genuine replacement hydraulic pump designed for various Case IH JX series agricultural tractors, including models like JX1070N, JX1075N, JX1080U, JX1085C, JX1090U, JX1095C, JX1100U, JX60, JX70, JX80, JX90, and JX95. This essential component ensures reliable hydraulic system performance, providing power for implements and steering. Engineered to OEM specifications, it guarantees optimal fit and function for maintaining machinery efficiency.