The Wacker Neuson 6003 Track Excavator is engineered for demanding operational environments, offering robust performance and reliability. Its tracked drive system provides excellent stability and traction across varied terrain, making it suitable for a wide range of construction and excavation tasks. Notable features include a triple articulation boom for enhanced reach and maneuverability, an air-suspension seat for operator comfort during extended use, and advanced control systems such as joystick-long stick and proportional controls for precise operation. The inclusion of a safe load indicator and a backup warning system underscores its commitment to operational safety. This Workshop Service Manual and Operator's Manual provides comprehensive guidance for the Wacker Neuson 6003 Track Excavator. It covers essential maintenance procedures, detailed troubleshooting steps, and critical technical specifications, including information on the Yanmar 4TNV98 diesel engine and its associated systems. The manual is designed to assist owners, mechanics, and technicians in performing routine maintenance, diagnostics, and repairs, ensuring the longevity and optimal performance of the equipment. Key areas detailed include the hydraulic system, electrical components, drive circuit, and various engine and fuel systems, alongside diagrams for hydraulics and wiring.