This manual covers the CASE CX80 Crawler Excavator, a robust machine engineered for demanding tasks. Designed for reliability and efficiency, the CX80 is equipped with an ISUZU AU-4LE2X engine, delivering consistent power for a wide range of applications. Its advanced hydraulic systems, including main hydraulic pumps and control valves, ensure precise operation and superior performance in construction, excavation, and material handling environments. The durable undercarriage and drive train components are built to withstand challenging conditions, making the CX80 a dependable choice for professional use. This comprehensive Service Repair Manual Set provides essential information for the maintenance, servicing, and repair of your CASE CX80 Crawler Excavator. It details procedures for engine removal and installation, fuel and electrical systems, undercarriage, drive train, and hydraulics. The manual includes general information, technical specifications, troubleshooting guides, and electrical schematics to assist owners, mechanics, and technicians. With 856 pages of detailed instructions and guidance, this English language manual is an invaluable resource for ensuring the optimal performance and longevity of your equipment.