This manual covers the Komatsu WA250PT-5 Wheel Loader, serial number 70570 and up. Engineered for robust performance, this machine is designed for efficient operation, handling, lubrication, maintenance, checking, and adjustment. The Komatsu WA250PT-5 is built with a focus on reliability and optimal performance in various work environments, ensuring operators can achieve peak productivity. This Operation & Maintenance Manual, presented in English, provides comprehensive guidance for the Komatsu WA250PT-5 Wheel Loader. It details essential information including safety precautions, operational procedures, maintenance schedules, troubleshooting techniques, and technical specifications. With numerous pictures and diagrams, this manual serves as an indispensable resource for owners, mechanics, and technicians to ensure the safe, economical, and effective operation and upkeep of the equipment.