This comprehensive service repair manual provides detailed instructions and illustrations for maintaining and repairing your International Harvester Tractor models 454, 474, 475, 574, and 674. Gain valuable knowledge and save money by performing repairs yourself with the step-by-step guidance included. This manual covers all aspects of repair, from routine maintenance to complex troubleshooting, ensuring you have the information needed to address any issue that may arise. Detailed diagrams and illustrations make understanding complex procedures simple. The manual covers all areas of repair, including engine, transmission, hydraulics, electrical systems, and more. This resource empowers you to become an expert on your tractor, allowing you to diagnose and fix problems efficiently and confidently.

The International Harvester (IH) 454, 474, 475, 574, and 674 tractors represent a significant era in agricultural machinery, renowned for their ruggedness, power, and versatility. These models, primarily manufactured between 1968 and 1975, were part of the "4000" series, a significant evolution for IH, introducing a new, more powerful engine design. The 454, a 4-cylinder model, provided a robust starting point, while the 6-cylinder 474 and 475 offered increased power for heavier tasks. The larger 574 and 674, with their 6-cylinder engines, were designed for demanding applications, showcasing a powerful blend of horsepower and torque. These tractors were available with a range of transmissions, including the popular "Quad-Range" option, providing multiple gear choices for optimal performance in various conditions.

Beyond their powertrain, the IH 4000 series tractors were characterized by their robust construction, incorporating features like a heavy-duty frame and durable components. These machines were designed to withstand the rigors of agricultural work, delivering reliability and longevity. The operator's cab was known for its comfort and visibility, offering a user-friendly experience. The tractors were offered with a variety of optional features, including power steering, hydraulics, and a wide range of implements, allowing for customization to meet specific farming needs. These versatile machines played a significant role in revolutionizing agricultural practices, enabling efficient and productive farming operations across a wide range of applications, from light tillage and planting to heavy-duty harvesting and hauling. Today, these IH tractors are highly sought after by collectors and enthusiasts who appreciate their historical significance and unwavering performance.