This Service Repair Manual covers the YANMAR TNM Series 3TNM68 and 3TNM72 industrial engines. These engines are engineered for reliability and performance, making them suitable for a wide range of industrial applications. The TNM series is known for its robust construction and efficient operation, designed to meet the demanding requirements of various work environments. This comprehensive manual provides detailed information essential for the maintenance, repair, and assembly of your YANMAR industrial engines. It includes step-by-step repair procedures, troubleshooting guides, technical specifications, wiring diagrams, and hydraulic diagrams. With detailed illustrations, exploded diagrams, drawings, and photos, this manual serves as an indispensable resource for owners, mechanics, and technicians to ensure the optimal performance and longevity of their equipment.