This manual covers the Komatsu WA500-1LC Wheel Loader, designed for robust performance in demanding work environments. Built with Komatsu's renowned engineering quality, this machine offers exceptional reliability and efficiency for various material handling tasks. Its robust construction and advanced features ensure optimal productivity and longevity, making it a dependable choice for construction, mining, and other heavy-duty applications. The purpose of this Operation & Maintenance Manual is to provide comprehensive guidance for the safe and effective operation, handling, lubrication, and maintenance of the WA500-1LC Wheel Loader. It includes detailed procedures, technical specifications, and troubleshooting information, supported by numerous pictures and diagrams. This manual is an essential resource for owners, operators, and technicians to ensure peak performance, economical operation, and safe maintenance practices for serial numbers A60001 and up.