The Hitachi Zaxis 225USRLC-3 is a robust excavator designed for demanding construction and earthmoving applications. Built with precision engineering, this model exemplifies Hitachi's commitment to reliability and performance in heavy machinery. Its advanced hydraulic system, featuring variable displacement piston pumps, ensures efficient power delivery for a wide range of tasks, from delicate excavation to heavy-duty lifting. The excavator's powerful Isuzu AA-6BG1T diesel engine, a turbocharged and water-cooled 4-cycle unit, provides ample power and torque to tackle challenging job sites, making it a dependable choice for professionals seeking durability and productivity. This Service Repair Workshop Manual provides comprehensive technical information for the Hitachi Zaxis 225USRLC-3 excavator. It is intended for mechanics and technicians responsible for the maintenance and repair of this equipment. The manual covers essential areas including detailed maintenance procedures, troubleshooting guides for common issues, complete technical specifications, and critical safety guidelines. By following the instructions and procedures outlined within this manual, owners and service personnel can ensure the optimal performance, longevity, and safe operation of their Zaxis 225USRLC-3 excavator.