This Workshop Service Repair Manual provides comprehensive information for the International Harvester 444 tractor. International Harvester, a manufacturer with a significant legacy in agricultural and construction machinery, produced the 444 as part of its robust tractor lineage. While specific production years are not detailed, the 444 embodies the brand's reputation for durable construction and reliable performance, making it a valuable asset for various operational needs. This manual is designed to be an authoritative resource, offering in-depth coverage for professional technicians and DIY mechanics alike. This manual serves as an essential guide for maintaining and repairing the International Harvester 444. It covers a wide array of critical systems, including detailed procedures for engine overhaul, transmission repair, hydraulic system diagnostics, electrical system troubleshooting, chassis maintenance, brake service, and power take-off (PTO) operation. With hundreds of pages of content, it provides step-by-step instructions for disassembly, repair, and reassembly, alongside periodic maintenance schedules, fluid specifications, and troubleshooting guides for common issues. The manual is presented in English and is fully printable, ensuring accessibility for all users.