This manual covers the Komatsu WA900L-3 Wheel Loader, serial numbers 52001 and up. Designed for heavy-duty material handling and loading, this machine embodies robust engineering and reliable performance. Its construction prioritizes durability and efficiency, making it a trusted choice for demanding operational environments. This comprehensive Service Repair Workshop Manual provides detailed information for maintaining and repairing your Komatsu WA900L-3. It includes general information, structure and function explanations, testing and adjusting procedures, disassembly and assembly instructions, and maintenance standards. With step-by-step guidance, highly detailed diagrams, and complete coverage, this manual is an essential resource for both do-it-yourself owners and experienced mechanics.