The Hitachi ZAXIS ZX280LCN-3 is a robust crawler excavator designed for demanding construction and earthmoving applications. As part of Hitachi's third-generation ZAXIS series, this model embodies advanced engineering, focusing on operational efficiency, reliability, and operator comfort. Its powerful diesel engine, hydrostatic transmission with a two-speed travel system, and substantial operating weight contribute to its capability in various challenging environments. The ZX280LCN-3 is built to deliver consistent performance and durability, making it a valuable asset for professionals in the heavy equipment sector. This service repair manual provides comprehensive information to ensure the proper maintenance and repair of your Hitachi ZAXIS ZX280LCN-3 crawler excavator. It covers essential areas including detailed maintenance procedures, troubleshooting guides for common issues, technical specifications for all major systems, and critical safety guidelines. By utilizing the information within this manual, owners, technicians, and mechanics can effectively perform routine servicing, diagnose problems accurately, and carry out repairs, thereby maximizing the longevity and operational performance of the equipment.