The Case CX290B Crawler Excavator is a robust and powerful machine designed for demanding construction and earthmoving applications. Engineered for reliability and performance, this excavator features a 7.8-liter Isuzu diesel engine producing approximately 207 horsepower, coupled with a hydrostatic transmission and a 4WD crawler drive system for superior traction and maneuverability. With an operating weight of 28,600 kg and impressive digging capabilities, including a maximum digging depth of 6680 mm and a reach of 10160 mm at ground level, the CX290B is built to handle significant workloads efficiently. Its substantial dimensions and robust construction underscore its suitability for heavy-duty tasks. This comprehensive Service Repair Manual provides essential information for the maintenance, repair, and technical understanding of the Case CX290B Crawler Excavator. Covering a wide range of topics, including detailed procedures for servicing, troubleshooting common issues, and in-depth technical specifications, this manual is an indispensable resource. It is intended to assist owners, mechanics, and technicians in ensuring the optimal performance, longevity, and safety of the equipment. The manual's extensive coverage, presented in English across 1499 pages, aims to facilitate efficient and accurate work on the excavator.