This workshop service repair manual covers the Hyster H007 series heavy-duty forklifts, designed for robust industrial material handling applications. This range of forklifts, encompassing models such as the H170HD through H280HD, offers lifting capacities from 17,000 to 28,000 pounds. Engineered for demanding operational environments, these machines are built with reliability and performance in mind, utilizing internal combustion engines and automatic transmissions to ensure efficient operation in both indoor and outdoor industrial settings. The purpose of this manual is to provide comprehensive guidance for the maintenance, repair, and technical understanding of your Hyster forklift. It details essential procedures, troubleshooting techniques, and critical technical specifications necessary for optimal performance and longevity. Owners, operators, and service technicians will find detailed information on various systems, including recommended service intervals and fluid specifications, enabling them to effectively maintain the equipment and address any operational issues that may arise.