This International Harvester Service Manual is a valuable resource for owners of compatible equipment.  The ISS-1040-1 publication provides detailed information on Carbureted  models, 221, 263, 291, 301 and Diesel models 282, 301 manufactured in the United States in the 1950-1970s. The manual covers all aspects of service for these engines. It is an excellent addition to any heavy equipment owner's library, providing a comprehensive overview of the equipment's history, features, and maintenance. This manual is specifically designed for International Harvester equipment and is a must-have for anyone who wants to ensure their equipment is in proper working order.