This workshop service manual covers the Hitachi Zaxis 250LCK-3, a robust piece of construction equipment designed for demanding operational environments. Engineered for reliability and performance, the Zaxis 250LCK-3 features a powerful diesel engine and a hydrostatic transmission, making it a versatile tool for a wide range of heavy-duty tasks. Its construction emphasizes durability and efficiency, ensuring consistent operation and productivity on job sites. This comprehensive manual provides essential information for maintaining and repairing the Hitachi Zaxis 250LCK-3. It details various service procedures, technical specifications, and troubleshooting guides necessary for optimal equipment performance. The content is structured to assist owners, technicians, and mechanics in understanding the machine's systems, performing routine maintenance, and addressing potential issues, thereby extending the operational life and efficiency of the equipment.