This service repair manual covers the Hitachi Hydraulic Excavator Zaxis ZX210W-3 and ZX220W-3 models. These excavators are engineered for robust performance and reliability in demanding work environments. Their design emphasizes operational efficiency and durability, making them suitable for a wide range of construction and earthmoving applications. This comprehensive manual provides detailed information essential for the maintenance and repair of your Hitachi Hydraulic Excavator. It includes procedures for routine servicing, in-depth troubleshooting guides, critical technical specifications, and important safety guidelines. By following the instructions within this manual, owners and technicians can ensure optimal performance, longevity, and safe operation of the ZX210W-3 and ZX220W-3 models.