The Case IH 2394 is a robust tractor designed for demanding agricultural tasks, primarily produced in the 1980s. As part of the International Harvester 94 Series, it represents a lineage of reliable utility and row-crop tractors. This model typically features a diesel engine from the Case IH/International Harvester 5.9L or 6.7L family, offering an estimated horsepower range of 90-130 HP, suitable for significant draft work. It was available with either a powershift transmission, often a 16-speed forward and 12-speed reverse configuration, or a mechanical synchronized transmission, both engineered for durability and efficient operation. The 2394 is characterized by its solid construction, wet disc brakes for enhanced stopping power, and the availability of a Roll-Over Protective Structure (ROPS), underscoring its commitment to operational safety and longevity in agricultural environments. This Factory Service Repair Manual for the Case IH 2394 tractor provides comprehensive guidance for service, repair, troubleshooting, and maintenance. It covers all essential systems, including detailed engine overhaul procedures, transmission diagnostics and repair for both powershift and mechanical types, hydraulic system service, and electrical system troubleshooting with wiring diagrams. The manual also addresses powertrain components, braking and steering systems, cooling and fuel systems, and the operator's station. Included are procedures for preventive maintenance, engine timing adjustments, injector testing, and hydraulic component repair, alongside diagnostic charts to help identify and resolve issues. This extensive English-language resource is designed to assist owners, mechanics, and technicians in maintaining the optimal performance and reliability of their Case IH 2394 tractor.