This manual covers the Fiat Hitachi EX135W Excavator, a robust piece of heavy machinery designed for demanding construction and earthmoving tasks. Known for its engineering quality and reliability, the EX135W is built to perform efficiently and withstand challenging operational environments. Its advanced design incorporates key features that contribute to its effectiveness and longevity in various applications. This Factory Service Repair Manual provides comprehensive guidance for the EX135W Excavator. It details essential maintenance procedures, in-depth troubleshooting steps, and critical technical specifications necessary for optimal performance and longevity. The manual includes information on the hydraulic system, electrical system, superstructure, undercarriage, and front-end attachments, along with safety rules and operational guidelines. Its step-by-step instructions, accompanied by diagrams and photos, empower owners, mechanics, and technicians to maintain and repair the vehicle effectively, ensuring continued operational readiness and potentially significant labor cost savings.