This Service Repair Workshop Manual covers the Hitachi Zaxis ZX160W excavator, a robust machine engineered for demanding construction and earthmoving tasks. Featuring a powerful Cummins QSB4.5-C turbocharged diesel engine delivering up to 110 HP, this excavator is designed for reliability and efficient operation. Its hydrostatic drive transmission allows for precise control and variable travel speeds, while its substantial operating weight and optimized ground pressure ensure stability and performance across various job sites. The Zaxis ZX160W is built to meet the challenges of modern infrastructure projects, offering a blend of power, durability, and advanced hydraulic capabilities. This comprehensive manual provides essential information for the maintenance, repair, and technical understanding of the Hitachi Zaxis ZX160W excavator. It details critical maintenance schedules, including engine oil and filter change intervals, as well as hydraulic system servicing requirements. Technical specifications cover engine performance, hydraulic system flow rates, and dimensional data for the boom and arm. Safety guidelines and troubleshooting procedures are also included to assist owners, technicians, and mechanics in ensuring the optimal performance and longevity of the equipment.