The Hitachi ZX270-3 is a robust excavator engineered for demanding construction and earthmoving applications. Featuring a powerful Hino J08E-TKM diesel engine with a displacement of 7.688 L, it delivers a net power of 146 kW (196 hp) at 2000 rpm. This excavator boasts a hydrostatic transmission for efficient power transfer and variable travel speeds, along with a substantial operating weight of 26,600 kg. Its design prioritizes reliability and performance, making it a dependable choice for heavy-duty tasks. This Service Repair Workshop Manual provides comprehensive technical information for the Hitachi ZX270-3 excavator. It covers essential maintenance procedures, including fluid capacities and change intervals for engine oil, hydraulic oil, and coolant, as well as air filter replacement. Detailed specifications for the engine, hydraulics, and dimensions are included, alongside information on attachments and the operator station. This manual is intended for mechanics and technicians, offering the necessary guidance to ensure the proper maintenance, repair, and optimal performance of the vehicle.