This manual covers the Komatsu WA480-5H Wheel Loader, designed for robust performance in demanding operational environments. Engineered for reliability and efficiency, this model represents a significant advancement in heavy equipment technology. Its construction prioritizes durability and operator comfort, making it a valuable asset for a wide range of industrial and construction applications. Understanding its operational parameters and maintenance requirements is key to maximizing its productivity and lifespan. The purpose of this comprehensive Operation & Maintenance manual is to provide essential information for the safe and effective use of the Komatsu WA480-5H Wheel Loader. It details critical aspects including safety guidelines, component explanations, operational procedures for various conditions, and troubleshooting guidance. Furthermore, the manual offers detailed maintenance schedules, lubrication specifications, and service procedures, empowering operators and maintenance personnel to ensure peak performance, economical operation, and longevity of the machine.