This manual covers the Hyster E004 Series forklifts, including specific models such as the S3.50XM (S70XM), S4.00XM (S80XM), S4.50XM (S100XM), and S5.50XM (S120XM). Hyster is recognized globally for manufacturing durable and high-performance forklifts, often competing with other industry leaders. These machines are engineered for demanding operational environments, offering robust construction and reliable performance across various lifting capacities. The E004 Series represents a significant platform within Hyster's product line, built with a focus on operator safety and efficient material handling. This comprehensive Service Repair Workshop Manual provides detailed information essential for the maintenance, repair, and troubleshooting of your Hyster E004 Series forklift. It covers a wide range of systems including the powertrain (engine, transmission, drivetrain), chassis (steering, braking, hydraulics, mast, carriage), and electrical systems. Within its hundreds of pages, you will find step-by-step repair instructions, diagnostic procedures, technical specifications, and safety guidelines, all supported by hundreds of detailed photos and exploded diagrams. This manual is an indispensable resource for technicians, mechanics, service departments, fleet managers, and owners aiming to ensure the longevity and optimal performance of their equipment.