The Komatsu WA320-5L Wheel Loader, identified by serial numbers starting from A32001, is a robust piece of equipment engineered for material handling, loading, and general construction tasks. Built by Komatsu Ltd., this wheel loader is designed for operation in demanding construction and industrial environments, powered by an internal combustion diesel engine. Its construction emphasizes reliability and efficiency, making it a valuable asset for various heavy-duty applications. This Operation and Maintenance Manual, comprising 227 pages, provides comprehensive guidance for the Komatsu WA320-5L Wheel Loader. It covers essential information for owners, mechanics, and technicians, including detailed maintenance procedures, troubleshooting steps, technical specifications, and safety guidelines. Adherence to the operating guidelines and regular inspections, as outlined within this manual, is crucial for maintaining the performance and longevity of the equipment.