This manual covers the CASE CX210B, CX230B, and CX240B Crawler Excavators from the B Series. These machines are engineered for robust performance in demanding construction and earthmoving applications. Built with a focus on reliability and efficiency, they feature advanced hydrostatic transmissions for precise control and powerful diesel engines designed for durability. The series offers versatile configurations to suit a wide range of operational needs, from excavation to material handling. This comprehensive official service repair manual provides detailed information essential for maintaining and repairing your CASE crawler excavator. It includes in-depth procedures for scheduled maintenance, troubleshooting common issues, and technical specifications. The manual is designed to assist owners, technicians, and mechanics in ensuring optimal performance, longevity, and safety of the equipment. All instructions and data are presented in English to facilitate understanding and accurate execution of service tasks.