This Service Repair Manual covers the Hyundai HL740-3A, HL740 (#0848), and HL740TM-3 (#0251) Wheel Loaders. These machines are engineered for robust performance and reliability in demanding operational environments. The manual provides comprehensive information to ensure these vehicles maintain their high standards of efficiency and longevity. The purpose of this manual is to serve as a definitive guide for the maintenance, repair, and troubleshooting of the specified Hyundai Wheel Loader models. It details critical systems including the engine, power train, brake, steering, work equipment, and electrical systems. With detailed illustrations, numbered instructions, and clear explanations of structure, function, and troubleshooting procedures, this manual is an essential resource for owners, technicians, and mechanics.