This manual covers the HYSTER S25XM, S30XM, S35XM, and S40XMS forklifts, designed for robust performance in demanding industrial environments. These models are engineered with reliability and efficiency in mind, featuring advanced components such as MAZDA M4-2.0G and MAZDA M4-2.5D engines, capable of running on Gasoline or LPG fuel. The Single-Speed PS Transmission ensures smooth power delivery for optimal material handling. This comprehensive documentation aims to provide in-depth knowledge of these powerful machines. This Service Repair and Parts Manual provides detailed information essential for the upkeep and repair of your HYSTER forklift. It includes extensive sections on periodic maintenance, engine specifics, fuel systems, transmission, brakes, hydraulics, and electrical systems, supported by clear diagrams and illustrations. The manual is designed to assist owners, technicians, and mechanics in performing diagnostics, troubleshooting, and routine servicing, ensuring the longevity and optimal performance of the S25XM, S30XM, S35XM, and S40XMS models.