This workshop repair service manual covers Case IH models 1294, 1390, and 1394. These tractors, produced likely in the late 1980s to early 1990s, represent a robust line of utility and row-crop machines. Building on a rich heritage of agricultural machinery manufacturing from J.I. Case, these models are designed for durability and performance in various farming applications. Their engineering prioritizes reliability, making them a valuable asset for agricultural operations. This manual provides comprehensive information to ensure these tractors continue to operate at peak efficiency. This manual serves as an indispensable resource for owners, farm mechanics, and agricultural workshops. It offers professional-grade, detailed information comparable to factory service manuals, covering all aspects of repair and maintenance. Within its hundreds of pages, you will find step-by-step instructions for disassembly and reassembly, detailed diagrams, troubleshooting guidance for common and complex issues, and specific procedures for all major systems including the engine, transmission, hydraulic, and electrical systems. It also includes routine maintenance schedules, fluid specifications, and diagnostic procedures, empowering users to maintain and repair their Case IH 1294, 1390, or 1394 tractors effectively.