This manual pertains to the Volvo EC160C NL excavator, a robust piece of machinery designed for demanding work. Built with Volvo's renowned engineering quality, this excavator is engineered for reliability and efficiency across a range of applications, including digging, handling, and grading. Its comprehensive design encompasses key systems such as the diesel engine, power transmission, hydraulic system, and undercarriage, ensuring optimal performance and durability in various operational environments. The purpose of this complete official service repair manual is to provide detailed guidance for the maintenance and repair of the Volvo EC160C NL. It covers essential areas including step-by-step repair procedures, technical specifications, safety procedures, and troubleshooting information, particularly for electrical systems with accompanying wiring diagrams. This resource is intended for owners, mechanics, and technicians, offering the necessary information to keep the excavator in optimal working condition and ensure its longevity.