This Operation & Maintenance Manual provides comprehensive guidance for the Komatsu WA480-6 Wheel Loader, designed for robust performance in demanding work environments. Built with Komatsu's renowned engineering quality and reliability, this machine is engineered to deliver efficiency and power. This manual covers models within the serial number range A47001 and up, ensuring accurate information for specific units. The WA480-6 is a testament to advanced diesel engine technology, featuring the 6D125E-5 Diesel Engine, and is suited for a wide array of heavy-duty applications. The purpose of this manual is to assist operators and maintenance personnel in achieving peak performance through effective, economical, and safe machine operation and maintenance. It details essential procedures for operation and handling, along with comprehensive maintenance guidelines covering lubrication, checking, and adjustment. The manual also includes critical safety information, technical specifications, and details on attachments and options. With 426 pages of content, this English-language manual is designed to be a complete resource for anyone responsible for the upkeep and operation of the Komatsu WA480-6 Wheel Loader.