The Hitachi Zaxis 270 LC 3 is a robust excavator from the LC 3 Series, engineered for demanding construction and earthmoving applications. Powered by an Isuzu AH-6HK1X diesel engine, this machine delivers 198 horsepower and 502 lb-ft of torque, featuring a 7.8 L displacement and meeting EPA Tier 3 / EU Stage IIIA emissions standards. Its hydrostatic transmission and tracked drive system provide reliable performance, while its substantial operating weight of 26,400 kg, maximum digging depth of 6.75 meters, and maximum reach of 9.96 meters highlight its capability for significant excavation tasks. The Zaxis 270 LC 3 is built with Hitachi's renowned commitment to engineering excellence, ensuring durability and operational efficiency in challenging environments. This Workshop Service Repair Manual provides comprehensive technical information for the Hitachi Zaxis 270 LC 3. It covers essential maintenance procedures, including engine oil and hydraulic filter replacement intervals, along with detailed specifications for lubrication capacities. The manual also delves into the machine's hydraulic system, detailing pump flow rates and maximum relief pressure, as well as travel system speeds and undercarriage dimensions. Designed for owners, mechanics, and technicians, this English-language resource is an indispensable tool for understanding, maintaining, and repairing the Zaxis 270 LC 3 to ensure optimal performance and longevity.