This service manual covers the Hyundai HL740-3A and HL740TM-3 wheel loaders, part of the 3A Series. These machines are engineered for demanding operational environments, featuring robust construction and reliable performance. Their design prioritizes efficiency and durability, making them suitable for a wide range of material handling tasks. The HL740-3A series is equipped with a Cummins diesel engine, an automatic power shift transmission, and heavy-duty planetary drive axles, ensuring strong power delivery and dependable operation. This comprehensive English-language service manual provides detailed information essential for maintaining and repairing your Hyundai wheel loader. It includes in-depth coverage of the engine, power train, brake, steering, work equipment, and electrical systems. Integrated troubleshooting, test and adjustment procedures, and disassembly/assembly instructions are provided for each system, enabling owners and technicians to perform accurate diagnostics and repairs. The manual is organized into neat sections for efficient searching and features searchable text, zoomable, and printable pages for ease of use.