The International Harvester 574 Tractor, produced from the early to mid-1970s, represents a robust and versatile utility tractor renowned for its durability and effectiveness in agricultural applications. International Harvester has a long-standing reputation for manufacturing dependable farm machinery, and the 574 exemplifies this legacy. This model, typically powered by diesel engines ranging from approximately 50-60 PTO horsepower, features a manual gearbox with multiple speed configurations and is designed for strong low-end torque, making it well-suited for a wide array of farm tasks. Its engineering prioritizes functionality and reliability, ensuring it can handle demanding work with consistent performance. This comprehensive workshop service manual provides detailed information essential for the maintenance, repair, and overhaul of the International Harvester 574 Tractor. It covers all major systems, including the engine, powertrain, chassis, hydraulics, and electrical components, offering step-by-step instructions, diagnostic procedures, and troubleshooting guides. The manual is intended for professional technicians and DIY mechanics alike, equipping them with the technical specifications, wiring diagrams, and procedural knowledge necessary to keep the tractor operating efficiently and minimize downtime. Its extensive coverage ensures that users have access to the most accurate and complete information for servicing this dependable piece of agricultural equipment.