This manual covers the Komatsu WA600-1L Wheel Loader, serial number A10391 and up. Designed for effective, economical, and safe machine operation and maintenance, this equipment exemplifies robust engineering and reliability. Its advanced features are intended to provide optimal performance in demanding work environments. This comprehensive Service Repair Manual and Operation & Maintenance Manual provides essential information for maintaining and repairing your Komatsu WA600-1L Wheel Loader. It includes detailed sections on engine, power train, steering, brakes, work equipment, and electrical systems, alongside testing, adjusting, disassembly, and assembly procedures. Safety information, operational guidelines, and maintenance standards are also thoroughly covered, ensuring you have the knowledge for efficient and safe operation.