This manual covers the Hyundai HL740-7S Wheel Loader, a robust piece of equipment designed for demanding operational environments. Engineered for reliability and performance, this model features a powerful Cummins QSB6.7 turbocharged diesel engine, a versatile powershift transmission, and a capable loader bucket with hydraulic control. Its substantial operating weight, generous bucket capacity, and rated load capacity make it suitable for a wide range of construction, material handling, and industrial applications. The 7S Series represents a commitment to durable construction and efficient operation, ensuring productivity and longevity in challenging conditions. The purpose of this Service Repair Workshop Manual is to provide comprehensive technical information for the maintenance, repair, and troubleshooting of the Hyundai HL740-7S Wheel Loader. It details essential procedures, including scheduled maintenance intervals for engine oil, powertrain oil, and hydraulic oil, along with fluid capacities and lubrication points. The manual also covers in-depth system information for the engine, powertrain, brake, steering, and work equipment, including disassembly, assembly, and troubleshooting guides. Furthermore, it provides detailed electrical system schematics, component locations, and monitoring system information, empowering owners, mechanics, and technicians to keep this wheel loader operating at peak efficiency and safety.