This manual covers the Hitachi Zaxis 35u-2 Hydraulic Excavator, a robust machine designed for demanding construction and excavation tasks. Engineered for reliability and efficiency, this model features a hydrostatic transmission and a tracked drive system, providing excellent maneuverability and stability on various terrains. Its compact dimensions, including an operating weight between 3500-3800 kg, make it suitable for a wide range of applications where precision and power are essential. The Zaxis 35u-2 is built with operator safety in mind, incorporating features such as a ROPS/FOPS cabin and safety belts. This Operator Manual provides comprehensive guidance for the operation, maintenance, and basic troubleshooting of your Hitachi Zaxis 35u-2 Hydraulic Excavator. It details essential information regarding the machine's specifications, operational capabilities, and safety protocols. By following the procedures outlined within this manual, operators and technicians can ensure optimal performance, longevity, and safe operation of the equipment. The manual is presented in English and is intended to be a primary resource for all users of this hydraulic excavator.