This manual covers the CASE CX290B Crawler Excavator, a robust machine engineered for demanding construction and earthmoving applications. Featuring a powerful Cummins QSB6.7 turbocharged diesel engine delivering 204 hp, a sophisticated hydrostatic two-speed travel drive system, and a high-capacity hydraulic system with variable displacement piston pumps, the CX290B is designed for exceptional performance and reliability. Its substantial operating weight of 28,400 kg, combined with a standard boom length of 6.0 m and arm length of 2.95 m, allows for impressive digging depths of up to 6.76 m and a maximum digging reach of 10.03 m, making it a versatile tool for a wide range of job sites. This comprehensive Factory Service Repair Manual provides detailed information essential for the maintenance, repair, and operation of the CASE CX290B Crawler Excavator. It includes in-depth coverage of technical specifications, fluid capacities, lubrication procedures, and system diagnostics. Owners, operators, and service technicians will find the procedural guides and troubleshooting information invaluable for ensuring the longevity, efficiency, and safe operation of their equipment. Adhering to the guidelines within this manual will help maintain the high standards of engineering and performance CASE is known for.