The International Harvester 2806 Tractor is a robust and versatile heavy-duty agricultural and utility machine, renowned for its durability and power. Produced by International Harvester during the mid-to-late 1970s and early 1980s, this tractor was engineered to excel in demanding farm operations. Its design emphasizes longevity and capability, making it a reliable workhorse for a wide range of agricultural tasks. The 2806 tractor, part of the significant '86 series, represented an advancement in its era, offering substantial power and the ability to handle various implements with efficiency. This comprehensive factory service repair manual provides detailed information for the International Harvester 2806 Tractor. It covers all essential aspects of maintenance, repair, and troubleshooting, including in-depth procedures for the engine, transmission, hydraulic system, and electrical components. The manual offers step-by-step instructions for overhauls, adjustments, and routine maintenance, along with diagnostic charts to help identify and resolve common issues. With hundreds of pages of factory-level specifications and guidance, this English-language manual is an indispensable resource for owners, mechanics, and technicians seeking to maintain the optimal performance and longevity of their 2806 tractor.