This manual covers the Komatsu WA250PT-5 Wheel Loader, serial numbers 70001 and up. Engineered for reliability and robust performance, this machine is designed for demanding operational environments. Its advanced features and durable construction ensure efficient material handling and productivity across various applications. This Operation & Maintenance Manual provides comprehensive guidance for the Komatsu WA250PT-5. It details essential information on safety, operation, cold weather procedures, long-term storage, and troubleshooting. Owners, operators, and technicians will find detailed maintenance schedules, lubrication recommendations, specifications, and procedures for wear parts and critical components, ensuring optimal performance and longevity of the equipment.