The Hitachi Zaxis 30U-2 series represents a robust and reliable compact excavator designed for a variety of construction and landscaping applications. Engineered for efficiency and performance, this model features a powerful diesel engine, hydrostatic transmission with dual-speed travel, and impressive digging forces, making it a versatile tool for demanding tasks. Its compact dimensions and operating weight of 3,160 kg allow for maneuverability in confined spaces while maintaining stability and capability. This Service Repair Manual provides comprehensive guidance for the Hitachi Zaxis 30U-2. It covers essential maintenance procedures, detailed troubleshooting steps, and critical technical specifications, including engine details, hydraulic system performance, and undercarriage information. The manual is intended to assist owners, technicians, and mechanics in effectively maintaining, diagnosing, and repairing the equipment to ensure optimal performance and longevity.