The Hitachi Zaxis 270 is a robust excavator engineered for demanding operational environments. Powered by a diesel engine, the Isuzu AH-6BG1TRP, it delivers 150 kW (201 hp) of power and features a displacement of 6.494 L, meeting EPA Tier 3 / EU Stage IIIA emissions standards. Its hydraulic transmission system with hydrostatic drive ensures efficient power delivery for a variety of tasks. With an operating weight of 26,700 kg and a maximum digging depth of 6,700 mm, this machine is built for reliability and performance in heavy-duty construction and excavation applications. This Workshop Service Manual provides comprehensive guidance for the Hitachi Zaxis 270. It covers essential maintenance procedures, including engine oil and hydraulic oil capacities, along with recommended service intervals for oil changes and filter replacements. Technical specifications detailing engine information, transmission, dimensions, and digging performance are included to assist professionals. The manual is designed to support owners, mechanics, and technicians in effectively maintaining and repairing the equipment, ensuring its optimal performance and longevity.