This Service Repair Factory Manual provides comprehensive information for Hyster B024 series lift trucks, specifically the S135XL2, S155XL2, S6.00XL, and S7.00XL models. These Class 4 cushion tire lift trucks are powered by internal combustion engines, with options including the GM 4.3L V6 and Perkins Diesel 1000 Series (AR, YG, YH variants). Engineered for demanding industrial environments, these vehicles are built for reliability and efficiency, featuring advanced systems such as a Microprocessor Spark Timing System (MSTS), two-speed powershift transmissions, manual transmissions, hydraulic gear pumps, main control valves, and tilt cylinders. This manual is designed to be an essential resource for owners, mechanics, and technicians. It covers a wide range of maintenance and repair procedures, including detailed guidance on periodic maintenance, frame repair, drive and steering axle repair, steering control unit repair, and brake system repair. Additionally, it provides information on the electrical system, cooling system, differential repair, and mast repair. The manual includes technical specifications, fastener types (Metric and Inch/SAE), and parts identification, all presented in English.