This operator manual covers the Hitachi Zaxis-2 Series compact excavators, including models Zaxis 27u-2, 30u-2, 35u-2, 40u-2, and 50u-2. These diesel-powered excavators feature hydrostatic transmissions and water-cooled engines, offering robust performance for various construction and landscaping tasks. Engineered for reliability and efficiency, the Zaxis-2 Series provides a versatile solution for demanding job sites, with operating weights ranging from approximately 2.5 to 5.0 metric tons. This English-language operator manual is designed to provide comprehensive guidance for the operation and maintenance of your Hitachi Zaxis-2 Series excavator. It details essential information on operating procedures, safety precautions, and routine maintenance schedules, including engine oil and hydraulic fluid capacities. Understanding the contents of this manual is crucial for ensuring the longevity, performance, and safe operation of your equipment.