This manual covers the Komatsu WA430-5 Wheel Loader, serial numbers 60001 and up. Designed for heavy equipment applications, this model exemplifies robust engineering and reliable performance. Its construction is optimized for demanding operational environments, ensuring efficiency and durability in various work settings. This service repair manual provides comprehensive information to understand and maintain the integrity of your Komatsu WA430-5. The purpose of this English-language Service Repair Manual is to provide detailed guidance for servicing and repair. It encompasses essential areas including general information, structure, function, and maintenance standards, as well as testing and adjusting procedures. Furthermore, the manual details disassembly and assembly processes, offering critical support for owners, mechanics, and technicians. By following the instructions within this document, users can effectively maintain and repair their equipment, ensuring optimal operational status and longevity.