The Komatsu WA380-6 (KA SPEC.) Wheel Loader is a robust piece of equipment designed for demanding operational environments. With a powerful Komatsu SAA6D107E-1 engine producing up to 162 HP and a standard bucket capacity ranging from 3.0 to 4.0 m³, this model is engineered for efficiency and reliability. Its advanced Komatsu Hydroshift transmission and a maximum travel speed of 39.5 km/h ensure optimal performance across various job sites. The WA380-6 features a comfortable ROPS/FOPS cab and essential safety features like a backup alarm and seat belt, making it a dependable choice for construction and material handling tasks. This Service Repair Manual provides comprehensive guidance for the Komatsu WA380-6 (KA SPEC.) Wheel Loader, serial numbers 65001 and up. It covers critical aspects including specifications, system structure and function, standard value tables, testing and adjustment procedures, troubleshooting common issues, and detailed disassembly and assembly instructions. Additionally, the manual outlines maintenance standards and includes diagrams and drawings to aid in understanding. This resource is essential for owners, mechanics, and technicians to ensure proper maintenance, effective repair, and safe operation of the equipment.