The Hitachi ZAXIS 30U-2 / 35U-2 is a compact excavator engineered for reliability and efficient operation. Designed for a variety of construction and landscaping tasks, this diesel-powered machine features a liquid-cooled engine and a hydrostatic transmission for smooth, variable speed control. Its robust construction and approximate operating weight of 2850 - 3450 kg make it a capable tool for demanding job sites. The inclusion of a ROPS (Roll Over Protective Structure) underscores the commitment to operator safety. This Service Repair Manual provides comprehensive guidance for maintaining and repairing your Hitachi ZAXIS 30U-2 / 35U-2 excavator. It covers essential operational information, detailed technical specifications, and procedures for various systems, including the hydraulic system with its variable displacement piston pump and the undercarriage featuring rubber tracks. By following the instructions and schedules outlined within, owners and technicians can ensure optimal performance, longevity, and safe operation of the equipment.