This comprehensive repair manual provides all the information you need to maintain and repair your International Harvester tractor. Covering a wide range of models, from the 454 to the 1066, this manual details everything you'll ever need to know, from routine maintenance to advanced troubleshooting.

Start with the general information section for an overview of your tractor. Learn how to perform essential maintenance tasks, ensuring your tractor runs smoothly and reliably. The manual then dives into specific systems, covering engine removal and installation, fuel systems, lubrication and cooling systems, engine specifications, transmission, drive chain and sprockets, steering systems, shocks, bodywork, intake and exhaust systems, and electrical systems. With detailed illustrations and clear instructions, you'll be able to tackle any repair job with confidence.

The International Harvester Models 454, 464, 484, 574, 584, 674, 766, 826, 966, 1026, and 1066 tractors represent a significant era in agricultural machinery, embodying the ruggedness and dependability that made International Harvester a respected name in farming. These tractors, produced in the 1960s and 1970s, were known for their powerful engines, robust construction, and versatility across a wide range of tasks. They featured a distinctive design with a sloping hood and a distinctive grille, instantly recognizable as International Harvester. The models varied in engine size and horsepower, offering options for both small and large-scale operations. The 400-series models were generally smaller and more suited for lighter tasks, while the 500 and 600-series were bigger and capable of handling heavier loads. The 700-series and upwards featured larger frames and more powerful engines, signifying their ability to tackle the most demanding agricultural tasks.

These tractors were designed with a focus on ease of maintenance and repair, featuring readily accessible components and a robust construction that could withstand the harsh conditions of agricultural work. They were equipped with a variety of features to enhance operator comfort and safety, such as a spacious cab, adjustable seats, and a well-designed control layout. The International Harvester Models 454, 464, 484, 574, 584, 674, 766, 826, 966, 1026, and 1066 remain a popular choice among farmers and collectors alike, thanks to their reliability, durability, and enduring legacy. Despite their age, many of these tractors continue to work on farms across the world, a testament to their robust construction and the dedication of their owners. These machines represent a period of innovation in agricultural technology and continue to play a vital role in preserving the history and traditions of farming.