The Hitachi Zaxis 240-3 is a robust hydraulic excavator engineered for demanding work environments. This model, part of the Zaxis series, is designed for reliability and efficient operation, featuring a powerful diesel engine and advanced hydraulic systems. Its construction and performance capabilities make it suitable for a wide range of earthmoving and construction tasks, reflecting Hitachi's commitment to producing durable and high-performing heavy machinery. This workshop service manual provides comprehensive guidance for the maintenance and repair of the Hitachi Zaxis 240-3 hydraulic excavator. It covers essential procedures, technical specifications, and troubleshooting information necessary for optimal performance and longevity. The manual is intended for owners, operators, and service technicians, offering detailed instructions and diagrams to ensure the equipment is maintained to the highest standards, thereby maximizing operational efficiency and safety.