This shop manual provides detailed service and repair instructions for the Komatsu Galeo D155AX-6 bulldozer. It includes comprehensive procedures for diagnosing, troubleshooting, and repairing key components such as the engine, transmission, hydraulic system, undercarriage, and electrical systems. The manual offers step-by-step guidance on disassembly, inspection, reassembly, and adjustments, as well as detailed diagrams and technical specifications. Additionally, it covers maintenance schedules and safety protocols. This document is essential for mechanics and technicians to ensure proper maintenance, efficient repairs, and optimal performance of the Komatsu Galeo D155AX-6 bulldozer.