This manual pertains to the Komatsu WA430-5 Series, a robust piece of equipment designed for demanding operational environments. While specific production years are dependent on serial number, this generation of WA430-5 represents Komatsu's commitment to engineering excellence, delivering reliable performance and efficiency. Its design focuses on durability and operational effectiveness, making it a trusted choice for a variety of heavy-duty applications where power and dependability are paramount. The purpose of this Service Repair Manual is to provide comprehensive guidance for the maintenance and repair of the Komatsu WA430-5 Series. It covers all aspects of the machine, from general information and structural details to testing, adjustment, disassembly, and assembly procedures. This manual is an essential resource for owners, mechanics, and technicians, offering the technical specifications and detailed instructions necessary to ensure the optimal performance, longevity, and safe operation of the equipment.