This workshop service manual provides comprehensive information for the International Harvester 844 Tractor, a reliable and versatile machine produced from the mid-1970s to the early 1980s. Known for its robust construction and enduring performance, the 844 series, powered by International Harvester D-358 and D-414 diesel engines, was a staple in agricultural operations. This manual is designed to support the longevity and optimal function of these tractors, detailing their mechanical and hydraulic systems with the depth required for professional maintenance and repair.

The purpose of this manual is to serve as the definitive technical resource for the International Harvester 844 Tractor. It covers an extensive range of topics, including detailed engine and transmission service, hydraulic system diagnostics and repair, electrical system schematics, and chassis maintenance. Furthermore, it provides essential information on scheduled maintenance, troubleshooting common issues, and performing major overhauls, ensuring that professional mechanics, agricultural technicians, and advanced owners have the necessary guidance to maintain and repair this durable piece of equipment effectively.