This manual covers the Komatsu WA65-5, WA70-5, and WA80-5 wheel loaders, designed for efficient and reliable operation in various demanding environments. These machines are engineered for peak performance and economical maintenance, ensuring effective and safe operation. With their robust construction and advanced features, these wheel loaders are built to handle a wide range of tasks, providing durability and productivity for users. This comprehensive Service Repair Manual and Operation & Maintenance Manual provides essential information for the proper upkeep and repair of your Komatsu wheel loader. It details critical procedures, including safety guidelines, operational instructions, troubleshooting steps, maintenance schedules, and technical specifications. The manual is designed to assist owners, mechanics, and technicians in maintaining the peak performance, effective, economical, and safe machine operation and maintenance of these powerful machines.