This Service Repair Workshop Manual covers the Hitachi ZX210H-3, a robust excavator from the H-3 Series. Engineered for demanding construction and earthmoving applications, this machine is designed for reliability and performance. Its approximate operating weight ranges from 20,500 to 22,000 kg, featuring a diesel engine with a common rail direct injection fuel system, likely the Hitachi EH700-V, producing around 148 HP. The hydrostatic transmission with two-speed travel motors ensures efficient power delivery, while its substantial digging depth and reach capabilities make it a versatile tool for various job sites. This comprehensive manual provides detailed information essential for the maintenance and repair of your Hitachi ZX210H-3. It includes extensive coverage of scheduled maintenance procedures, such as engine oil and hydraulic fluid capacities, coolant capacity, lubrication points, and filter replacement intervals. Technical specifications, troubleshooting guides, and operational details are also thoroughly explained. This resource is designed to assist owners, mechanics, and technicians in ensuring the optimal performance, longevity, and safe operation of the equipment.