This document provides comprehensive workshop service and repair information for the Wacker Neuson 6003 Track Excavator. Engineered for demanding applications, this model features a robust tracked drive system and is powered by a 3.3L 4-cylinder, water-cooled diesel engine that meets TIER-2/TIER-3/3A emissions standards. The 6003 Track Excavator is designed for reliability and efficient operation, making it a valuable asset for various construction and excavation tasks. This manual serves as an essential guide for maintaining and repairing the Wacker Neuson 6003 Track Excavator. It covers a wide array of topics, including general information, detailed specifications, maintenance procedures, lubrication schedules, and troubleshooting. With extensive diagnostic support, including diagnostic trouble codes (DTCs) and high-definition hydraulic and wiring diagrams, this manual is suitable for both professional mechanics and individuals with less experience, ensuring optimal performance and longevity of the equipment.