This manual covers the HITACHI EX5600-6BH, EX5600E-6BH, EX5600-6LD, and EX5600E-6LD excavator models. These excavators are engineered for robust performance and reliability in demanding operational environments. Their design prioritizes efficiency and durability, making them suitable for a wide range of heavy-duty construction and industrial applications. The advanced engineering incorporated into these machines ensures optimal productivity and longevity. The purpose of this comprehensive service repair manual is to provide detailed instructions and procedures for the maintenance and repair of your HITACHI excavator. It encompasses essential information, including troubleshooting guides, technical specifications, and safety protocols. This manual serves as an indispensable resource for owners, mechanics, and technicians, enabling them to effectively maintain the operational integrity and performance of their equipment.