This Service Repair Workshop Manual provides comprehensive information for the Komatsu WA500-3H Wheel Loader, serial number WA500H20051 and up. Engineered for demanding construction and material handling applications, this heavy equipment is designed for robust performance and reliability. The Komatsu WA500-3H represents a commitment to quality, offering advanced features and durable construction to meet the rigorous needs of its intended use. This manual is designed to be an indispensable resource for owners and technicians alike, covering every aspect of the machine for complete disassembly and reassembly. It includes detailed step-by-step instructions, highly detailed exploded pictures, and diagrams for all procedures. The content spans general information, structure and function, testing, adjusting and troubleshooting, disassembly and assembly, maintenance standards, and other essential topics, ensuring that both do-it-yourself enthusiasts and experienced mechanics have the knowledge to maintain and repair their WA500-3H effectively.