This manual covers the Komatsu WA250-3, a versatile machine designed for a wide range of operational needs. Built with Komatsu's renowned engineering and commitment to reliability, this model offers robust performance and durability. Its design prioritizes efficiency and operator comfort, making it a dependable choice for various construction and material handling applications. This Operation & Maintenance Manual provides comprehensive information to ensure optimal operation and longevity of your WA250-3, serial numbers A70001 and up. The purpose of this English-language manual is to guide owners, operators, and technicians through the proper use, maintenance, and servicing of the Komatsu WA250-3. It includes detailed sections on pre-operation checks, cold weather and long-term storage operations, and a troubleshooting guide. Maintenance coverage is extensive, featuring lubrication guidelines, standard tightening torques, periodic replacement schedules for safety-critical parts, and detailed service procedures. Technical specifications, information on available attachments, and safety precautions for operation and maintenance are also thoroughly covered, ensuring you have all the necessary resources for effective vehicle management.