This manual covers the LIEBHERR R 912 LITRONI EXCAVATOR HD-S 481, specifically models from serial number 3001 onwards. Designed for demanding operational environments, this excavator represents robust engineering and reliable performance. Its advanced features and construction ensure efficiency and durability for a wide range of heavy-duty applications. The purpose of this comprehensive operation and maintenance manual is to provide essential information for the safe and effective use of your LIEBHERR R 912 LITRONI EXCAVATOR HD-S 481. It details operating procedures, routine maintenance schedules, troubleshooting guidance, and technical specifications. Adhering to the instructions within this manual will help ensure optimal performance, longevity, and safety of the equipment.