This manual covers the Komatsu WA250-1LC Wheel Loader, identified by serial number prefix A65001. Designed for demanding work environments, this machine embodies Komatsu's commitment to robust engineering and operational reliability. Its construction is optimized for efficient material handling and consistent performance across various applications. This Operation & Maintenance Manual, presented in English, provides comprehensive guidance for the Komatsu WA250-1LC. It details essential information including safety precautions, operational procedures, and maintenance schedules. The manual also includes technical specifications and is enhanced with pictures and diagrams to aid understanding. Its purpose is to assist operators and technicians in maintaining the machine's optimal performance and longevity.