The Hitachi Zaxis 30u-2 Hydraulic Excavator represents a robust and reliable piece of construction equipment, engineered for demanding tasks. This model features a powerful diesel engine, a hydrostatic transmission with dual-speed travel motors, and impressive digging capabilities, including a maximum digging depth of approximately 2.79 meters. Its compact dimensions, with an operating weight around 3000 kg and a width over tracks of about 1.55 meters, make it versatile for various job sites. The Zaxis 30u-2 is designed for efficiency and durability, offering advanced performance for excavation, trenching, and material handling operations. This Operator Manual provides comprehensive guidance for the Hitachi Zaxis 30u-2 Hydraulic Excavator. It covers essential information for technicians, mechanics, and owners, detailing operation, maintenance, and troubleshooting procedures. Key areas include engine specifications, fluid capacities, service schedules, and safety guidelines, such as information on its ROPS certified cab and hydraulic lock system. The manual is written in English and serves as an indispensable resource for ensuring the optimal performance, longevity, and safe operation of the equipment.