This Operation & Maintenance Manual provides comprehensive guidance for the Komatsu WA250PTL-5 Wheel Loader, serial number 70025 and up. Engineered for demanding operational environments, this versatile wheel loader is designed for efficient operation, handling, lubrication, maintenance, checking, and adjustment. It offers robust performance and reliability, making it an indispensable tool for various industrial applications. The manual covers essential aspects such as selecting appropriate attachments like buckets and tires, and handling specialized tools like the fork. This manual serves as a complete resource for owners, operators, and technicians. It details operational procedures, including general views, component explanations, transportation, and considerations for cold weather and long-term storage. Critical maintenance information is thoroughly explained, encompassing wear parts, recommended fluids, lubrication schedules, and standard tightening torques. Safety is paramount, with dedicated sections on safety labels, general precautions, and specific safety measures for operations and maintenance. The manual features numerous pictures, diagrams, and step-by-step instructions to ensure clarity and ease of use.