This manual provides comprehensive service and repair information for Liebherr TL 435-10, TL445-10, TL435-13, and TL442-13 Telescopic Handlers, specifically for units with F/N xxx-6000 and up. These robust machines are engineered for demanding operational environments, offering reliable performance and efficient material handling. Their design prioritizes durability and productivity, making them essential equipment for various industrial and construction applications. This service repair manual is an invaluable resource for maintaining and repairing your Liebherr telescopic handler. It details a wide range of topics, including general information, tools, technical data, maintenance guidelines, and specific system overviews such as the engine, hydraulics, electrical systems, axles, frame, and operator cab. With step-by-step instructions and detailed diagrams, this manual empowers owners, mechanics, and technicians to perform diagnostics, troubleshooting, and repairs effectively, ensuring optimal performance and longevity of the equipment.