This manual covers the CASE JX Series tractors, specifically the U Series utility models including the JX70U, JX80U, JX90U, and JX100U. These tractors are designed for versatility in agricultural, landscaping, and property maintenance tasks, offering robust construction and operator comfort for demanding work environments. The JX Series represents CASE IH's commitment to reliability and value within the compact utility tractor segment, building on a long heritage of agricultural machinery manufacturing.

This comprehensive Workshop Service Manual (WSM) provides detailed repair and service information essential for maintaining the CASE JX Series tractors. It covers all major systems, including the engine, transmission, hydraulics, electrical, drivetrain, braking, and steering systems. The manual includes procedures for scheduled maintenance, troubleshooting, component repair, and overhaul, along with technical specifications and safety guidelines. Its expert-level content is intended to assist owners, mechanics, and technicians in effectively servicing and repairing these utility tractors.