This service manual covers the HITACHI LX130-7, LX160-7, LX190-7, and LX230-7, as well as the TCM L27-3, L32-3, L35-3, and L40-3 articulated wheel loaders. These models represent advanced engineering, built upon extensive research and practical experience to deliver reliable performance. Familiarity with their unique features, construction, and operational procedures is essential for maximizing their capabilities. This comprehensive manual is designed for service personnel and shop technicians. It details the structure and systems of these wheel loaders, providing essential information for maintenance, repair, and troubleshooting. Key sections include specifications, engine, power train, brake system, steering system, hydraulic system, frame, cockpit, load handling system, and electrical system. The manual serves as a vital reference to ensure the continued optimal performance and longevity of your equipment.