The Hitachi Zaxis 210 LCN 3 is a robust excavator engineered for demanding construction and earthmoving applications. This model features a powerful 6.69 L diesel engine delivering approximately 110 kW of power and 573 Nm of torque, paired with a hydrostatic transmission for precise control and variable speed operation. Its substantial operating weight of 20,700 kg and a maximum digging depth of 6,640 mm highlight its capability for significant excavation tasks. The Zaxis 210 LCN 3 is designed for reliability and performance in challenging environments. This Workshop Service Repair Manual provides comprehensive guidance for the Hitachi Zaxis 210 LCN 3. It covers essential maintenance schedules, including engine oil changes every 500 hours and hydraulic oil servicing every 2000 hours, along with detailed technical specifications and operational data. The manual is intended to assist owners, mechanics, and technicians in performing routine maintenance, troubleshooting complex issues, and ensuring the optimal performance and longevity of the excavator. Understanding and applying the procedures outlined within this manual is crucial for safe and efficient operation.