This comprehensive International Harvester 674 Tractor Service Repair Manual provides detailed instructions and technical specifications for maintaining, repairing, and rebuilding your tractor. The manual is designed for both experienced mechanics and do-it-yourselfers, offering step-by-step guidance for every procedure. The manual includes a wealth of information covering various aspects of the tractor, ranging from general information and periodic maintenance schedules to intricate details on engine, fuel system, cooling system, electrical system, chassis, services information, and emission control information. Hundreds of clear illustrations and photos guide you through each repair process, making it easy to understand and follow. This manual is a valuable resource for keeping your International Harvester 674 Tractor running smoothly and efficiently. It will help you diagnose and resolve problems quickly and effectively, extending the life of your tractor and ensuring optimal performance for years to come.

The International Harvester 674 tractor was a workhorse of the agricultural industry, known for its sturdy construction and reliable performance. This model, manufactured in the 1970s, was a versatile farm machine designed for a wide range of applications, from pulling plows and cultivators to powering balers and other implements. The 674 was equipped with a powerful diesel engine, providing ample power for heavy-duty tasks. Its robust transmission and drivetrain ensured smooth and efficient operation under even the most demanding conditions. The tractor's spacious cab offered a comfortable work environment for the operator, equipped with essential controls and gauges for easy monitoring. The 674's reputation for reliability and durability made it a popular choice among farmers and ranchers. Its robust design and dependable performance allowed it to withstand the rigors of everyday farm work, minimizing downtime and maximizing productivity. Though production ceased in the late 1970s, the 674 remained a sought-after machine for its reliability and ease of repair. Even today, many 674 tractors are still in use, testament to their enduring strength and ability to handle the demands of modern farming practices.