This workshop service repair manual covers the Case IH Classic Tractors, including the C, D, L, La, R, S, V, and Va series. These tractors, rooted in the robust heritage of International Harvester, represent a range of classic utility and row-crop agricultural machinery. Known for their engineering quality and reliability, these models have served a vital role in agriculture. This manual provides comprehensive factory-level repair and diagnostic information, catering to technicians, mechanics, owners, and enthusiasts seeking to maintain and understand these iconic machines. This comprehensive factory service repair manual is designed to be an indispensable resource for the maintenance and repair of your Case IH Classic Tractor. It covers a wide array of systems, including the engine, transmission, brakes, electrical system with detailed wiring diagrams, suspension, steering, cooling system, fuel system, and hydraulic systems. Detailed procedures for general maintenance, troubleshooting, engine overhauls, transmission repairs, and component replacements are included, along with safety guidelines and specifications. This manual empowers users to perform diagnostics, conduct periodic servicing, and undertake complex repairs, ensuring the longevity and optimal performance of their tractor.