This manual covers the Hyundai HL740-3A Wheel Loader, a robust piece of equipment designed for demanding operational tasks. Engineered for reliability and performance, this wheel loader represents a significant advancement in its class, offering efficient operation and durable construction. Its design prioritizes user productivity and long-term serviceability, making it a trusted choice for various construction and material handling applications. The purpose of this Service Repair Manual is to provide comprehensive information for the maintenance and repair of the Hyundai HL740-3A Wheel Loader. It details essential procedures for the General, Engine, Power Train System, Brake System, Steering System, Work Equipment, and Electrical System. This guide is an indispensable resource for owners, technicians, and mechanics, offering detailed instructions on structure, function, troubleshooting, testing, adjustments, disassembly, and assembly to ensure optimal performance and longevity of the equipment.