This Service Workshop Repair Shop Manual provides comprehensive information for the Case CX75SR / CX80 Tier 3 Crawler Excavator. Engineered for demanding construction and earthmoving operations, these excavators are built for reliability and performance. This manual covers essential aspects of the machine, ensuring its continued efficiency and operational longevity. This manual details maintenance procedures, technical specifications, and troubleshooting guidance for the Case CX75SR / CX80 Tier 3 Crawler Excavator. It includes information on the undercarriage, hydraulics, electrical system, and fuel system, along with drive train and swing components. Safety guidelines and standard torque data are also provided, making this an indispensable resource for owners, mechanics, and technicians.