This manual pertains to the International Harvester 21206 Tractor, a robust machine designed for agricultural and heavy-duty applications. While specific production years are not detailed, this tractor is representative of International Harvester's commitment to durable engineering and reliable performance. Its construction prioritizes longevity and operational efficiency, making it a dependable choice for demanding tasks. This comprehensive Service Repair Manual provides essential information for maintaining and repairing the International Harvester 21206 Tractor. It covers critical areas including routine service procedures, detailed troubleshooting guides, and technical specifications. The manual is intended to assist owners, mechanics, and technicians in ensuring the optimal performance and longevity of their tractor through accurate and efficient maintenance and repair practices.