This manual covers the HITACHI 270-3 CLASS HYDRAULIC EXCAVATOR. Designed for demanding operational environments, this excavator is engineered for robust performance and reliability. Its advanced hydraulic system and durable construction ensure efficient operation across a wide range of construction and earthmoving tasks. This model represents a commitment to quality engineering, offering powerful capabilities and dependable service for professional use. The purpose of this workshop service repair manual is to provide comprehensive guidance for the maintenance, servicing, and repair of the HITACHI 270-3 CLASS HYDRAULIC EXCAVATOR. It details essential procedures, technical specifications, and troubleshooting information necessary for technicians and mechanics. By following the instructions within this manual, users can ensure the optimal performance, longevity, and safety of the equipment.