The Hyundai Robex 55-7A, part of the 7A Series, is a robust crawler excavator engineered for demanding work. This model features a powerful Cummins QSB4.5 turbocharged diesel engine, delivering 50.8 kW of power and 274 Nm of torque, ensuring efficient operation for a wide range of construction and excavation tasks. Its hydrostatic 4WD drivetrain and substantial operating weight of 5,300 kg provide stability and traction in challenging environments. With impressive digging capabilities, including a maximum depth of 3.84 meters and a reach of 5.75 meters, the Robex 55-7A is designed for productivity and reliability. This comprehensive Service Repair Workshop Manual provides essential information for the maintenance and repair of your Hyundai Robex 55-7A Crawler Excavator. It covers critical areas such as detailed maintenance procedures, troubleshooting guides, technical specifications for the Cummins QSB4.5 engine and hydrostatic transmission, fluid capacities, and service intervals. This manual is an indispensable resource for owners, mechanics, and technicians, offering the knowledge required to keep the excavator operating at peak performance and to ensure its longevity and safety.