This manual covers the Komatsu WA180-3MC Wheel Loader, designed for efficient and reliable operation across various tasks. Engineered for durability and performance, this machine offers robust capabilities for demanding work environments. Its construction prioritizes operator safety and ease of use, ensuring productivity and longevity. Notable features include options for specific bucket and tire selections, an Electronically-Controlled Suspension System (ECSS), and an integrated radio for enhanced operator comfort and control. This comprehensive Service Repair Manual and Operation & Maintenance Manual provides essential information for the WA180-3MC Wheel Loader, serial numbers A81001 and up. It details critical procedures for maintaining, assembling, disassembling, and servicing the machine to ensure peak performance. Coverage includes in-depth technical specifications, detailed troubleshooting guides, safety precautions, and operational instructions. This resource is invaluable for owners, mechanics, and technicians seeking to perform effective, economical, and safe machine operation and maintenance.