This manual covers the Hitachi EX200-5 Excavator, equipped with ISUZU A-6BG1TQA, A-6BG1 TQA01, or HINO H07D engines. Designed for demanding operational environments, the EX200-5 is engineered for robust performance and reliability. This comprehensive guide provides detailed information to ensure optimal functionality and longevity of your equipment. The purpose of this service manual is to provide owners, mechanics, and technicians with the necessary information for the maintenance and repair of the Hitachi EX200-5 Excavator. It includes operational principles, troubleshooting guides, system overviews, component operation details, and performance testing procedures. Furthermore, it details hydraulic and electrical circuits, connectors, and harness information, alongside workshop procedures for the upperstructure, undercarriage, front attachment, and engine.