The Komatsu WA450-5L and WA480-5L are robust wheel loaders designed for demanding operational environments. These machines are engineered for reliability and efficiency, featuring powerful diesel engines and advanced powershift transmissions. The WA450-5L offers approximately 268 horsepower, while the WA480-5L provides around 315 horsepower, supporting a wide range of heavy-duty tasks. With operating weights of approximately 25,440 kg and 28,780 kg respectively, these loaders are built to handle significant workloads. This comprehensive Service Shop Repair Manual provides detailed guidance for the Komatsu WA450-5L and WA480-5L wheel loaders. It covers essential areas including general information, structure and function, testing, adjusting, troubleshooting, disassembly, and assembly procedures. With step-by-step instructions, diagrams, and real photo illustrations, this manual empowers owners and technicians to perform maintenance and repairs effectively. The manual is designed to facilitate understanding of repair and maintenance procedures, enabling users to resolve issues and service the equipment independently.