The Case International 530 and 540 series tractors, produced from the late 1950s through the mid-1960s, represent a robust and reliable line of agricultural machinery. These utility and construction king models were designed with a focus on practicality and versatility, serving a wide range of farm and construction tasks. Building upon earlier International Harvester designs, the 530 and 540 series were known for their sturdy construction and dependable performance, making them a valuable asset for farm owners, mechanics, and restoration enthusiasts. Their engineering prioritized durability and ease of maintenance, contributing to their enduring reputation in the agricultural sector. This workshop service repair manual provides comprehensive coverage for the Case International 530 and 540 tractor models. It details essential maintenance procedures, including routine checks, lubrication, filter replacement, and fluid changes, alongside in-depth repair and overhaul instructions for all major systems. The manual covers the engine, transmission, drivetrain, hydraulics, electrical system, brakes, steering, chassis, and body components. It also includes troubleshooting guidance, diagnostic procedures, and information on specialized tools required for various tasks. This resource is designed to empower owners and technicians to effectively maintain, diagnose, and repair these tractors, ensuring their continued optimal performance and longevity.