This manual covers the Hitachi LX15-7, LX20-7, LX30-7, and LX40-7 wheel loader models. These machines are engineered for robust performance in demanding work environments, offering reliable operation and efficient material handling. Their design emphasizes durability and ease of maintenance, making them a valuable asset for construction, landscaping, and industrial applications. This comprehensive service and repair workshop manual provides detailed instructions for all maintenance, servicing, and troubleshooting procedures. It is intended for professional mechanics and technicians, featuring step-by-step guidance, hundreds of pages of content, and numerous detailed diagrams and illustrations. The manual enables users to correctly perform every repair and maintenance task, ensuring the longevity and optimal performance of the Hitachi wheel loader.