The Hyundai HL780-3A is a robust wheel loader engineered for demanding operational environments. Featuring a powerful Cummins QSM11 engine with a displacement of 10.8 liters and an output of 268 HP, it is designed for efficiency and reliability. This model is equipped with a Powershift transmission offering 4 forward and 4 reverse gears, and boasts a standard bucket capacity of approximately 4.0 m³ (5.2 yd³). Its substantial operating weight of around 24,500 kg (54,013 lbs) and rated operating capacity of approximately 6,300 kg (13,889 lbs) make it suitable for heavy-duty material handling tasks. The inclusion of a ROPS/FOPS certified cab underscores Hyundai's commitment to operator safety and comfort. This operating manual provides comprehensive guidance for owners and operators of the Hyundai Wheel Loaders HL780-3A. It covers essential information for safe and efficient operation, including detailed descriptions of controls, operating procedures, and performance specifications. While specific maintenance intervals and fluid capacities are referenced within the manual itself, this document serves as the definitive resource for understanding the machine's capabilities and ensuring its longevity. This English-language manual is designed to be an indispensable tool for maximizing the productivity and maintaining the integrity of your HL780-3A wheel loader.