This manual covers the Liebherr R 900 C EDC Litronic Hydraulic Excavator, specifically models with serial numbers 43272 and up. Engineered for demanding operational environments, this hydraulic excavator is built with Liebherr's renowned commitment to quality and reliability. Its advanced Litronic system ensures efficient operation and precise control, making it a powerful tool for a wide range of construction and earthmoving tasks. The purpose of this comprehensive service manual is to provide detailed technical information essential for the maintenance and repair of your Liebherr R 900 C EDC Litronic Hydraulic Excavator. It includes sections on general information, tools, technical data, maintenance guidelines, and in-depth coverage of all major systems such as the engine, hydraulic system, electrical system, drivetrain, and undercarriage. With step-by-step instructions, critical notes, cautions, and detailed illustrations, this manual serves as an indispensable resource for owners, mechanics, and technicians to ensure optimal performance and longevity of the equipment.