This comprehensive service manual covers the Liebherr R934C, R944C, and R954C Hydraulic Excavator models. Designed for robust performance in demanding environments, these excavators are engineered for reliability and efficiency. This manual provides detailed information to ensure these machines operate at their peak performance throughout their service life. The purpose of this manual is to serve as an authoritative guide for the repair, operation, and diagnostics of the Liebherr R934C, R944C, and R954C Hydraulic Excavators. It includes essential technical specifications, maintenance guidelines, troubleshooting procedures, and step-by-step instructions for disassembly and assembly. Owners, mechanics, and technicians will find the detailed schematics, diagrams, and illustrations invaluable for maintaining and repairing these complex machines.