This manual covers the Komatsu WA800-3LC Wheel Loader, serial number A50001 and up. Engineered for heavy equipment applications, this machine is designed for demanding operational environments. Its robust construction and advanced features ensure reliability and efficiency in tasks ranging from material handling to large-scale construction projects. The Komatsu WA800-3LC represents a commitment to quality and performance in the wheel loader segment. This comprehensive documentation includes the Service Repair Manual, Field Assembly Manual, and Operation & Maintenance Manual in English. It provides detailed information for maintenance, assembly, disassembly, servicing, operation, and performance optimization. The manual is searchable, bookmarked, and fully printable, designed to assist owners, mechanics, and technicians in understanding, operating, and maintaining the WA800-3LC Wheel Loader to ensure its optimal performance and longevity.