This manual covers the Hyster F006 series forklifts, specifically the H135XL and H155XL models. These Class 5 forklifts are designed for heavy-duty material handling, featuring internal combustion engines and pneumatic tires. With lift capacities ranging from 13,500 to 15,500 lbs, they are engineered for reliability and performance in demanding industrial environments. The series offers robust construction and advanced features to ensure efficient operation and durability. This comprehensive service repair factory manual in English provides detailed information essential for the maintenance and repair of your Hyster forklift. It includes procedures for periodic maintenance, technical specifications, and diagnostic troubleshooting. Coverage extends to the engine, transmission, hydraulic systems, braking system, electrical components, cooling system, frame, and chassis. This guide is an invaluable resource for owners, mechanics, and technicians seeking to maintain the optimal performance and longevity of their Hyster F006 series forklift.