The International Harvester 886 is a robust tractor model from the early to mid-1970s, part of the durable and versatile 86 series. Engineered for heavy-duty agricultural and potentially construction applications, this machine typically features an International Harvester DT-466 turbocharged diesel engine, delivering substantial power and torque. Its design emphasizes reliability and straightforward operation, with a standard manual gearbox featuring power shift capabilities and a 540/1000 RPM power take-off (PTO). The 886 represents a legacy of American manufacturing known for its practical utility and enduring performance in demanding environments. This comprehensive Workshop Service Repair Manual provides detailed guidance for the International Harvester 886. It covers essential areas including routine maintenance, in-depth repair procedures, troubleshooting, and complete overhaul instructions for major systems such as the engine, transmission, hydraulics, electrical systems, and chassis. The manual is designed to assist professional technicians, DIY mechanics, and tractor owners in maintaining their equipment, saving on labor costs, and ensuring optimal performance. With hundreds of pages of information, it offers professional-level technical depth suitable for all users.