This manual covers the CASE CX290 Crawler Excavator, a robust piece of construction equipment designed for demanding excavation tasks. Engineered for reliability and performance, this excavator features a powerful diesel engine and a hydrostatic transmission for efficient operation. Its substantial operating weight of approximately 29,000 kg, coupled with a track width of about 3.0 meters and a cab height of roughly 3.1 meters, underscores its capability in various heavy-duty applications. While specific production years are not detailed, the inherent design focuses on delivering consistent power and operational efficiency. The purpose of this English-language Service Repair Manual is to provide comprehensive guidance for the maintenance and repair of the CASE CX290 Crawler Excavator. It details essential procedures, technical specifications, and troubleshooting steps necessary to ensure the optimal performance and longevity of the machine. This manual is an indispensable resource for owners, technicians, and mechanics, offering in-depth information on routine maintenance, component service, and system diagnostics. It aims to empower users with the knowledge required for effective upkeep and repair, covering areas from engine and hydraulic systems to general operation and safety.