This service manual covers the Volvo EC55 Compact Excavator, a versatile machine designed for a wide range of construction and landscaping applications. Engineered for durability and performance, the EC55 features a robust diesel engine and a hydrostatic transmission with variable gears, offering efficient power delivery for demanding tasks. Its approximate operating weight of 5,700 kg ensures stability and capability on various job sites. This manual provides comprehensive information for professional workshop technicians. It details essential maintenance procedures, troubleshooting guides, and technical specifications necessary for the upkeep and repair of the Volvo EC55. By following the instructions within this document, users can ensure optimal performance, longevity, and safe operation of their compact excavator.