This manual covers the Hitachi Zaxis 210LCN-3 excavator, a robust machine from the Zaxis-3 Series designed for demanding construction and earthmoving applications. Engineered for reliability and efficiency, this tracked excavator features a hydrostatic drive system and a powerful diesel engine. Its precise operation, substantial digging depth and reach, and efficient travel speed make it a versatile tool for various job sites. The Zaxis 210LCN-3 is built to deliver consistent performance and durability, reflecting Hitachi's commitment to quality in heavy equipment manufacturing. This comprehensive Service Repair Workshop Manual provides essential information for the maintenance and repair of your Hitachi Zaxis 210LCN-3 excavator. It details critical procedures, technical specifications, and troubleshooting guidance for all major systems, including the engine, transmission, and hydraulic systems. The manual is intended for owners, technicians, and mechanics, offering the knowledge required to ensure optimal performance, longevity, and safety. By following the instructions within this manual, users can effectively maintain their equipment and address potential issues, minimizing downtime and maximizing operational efficiency.