This workshop repair and service manual covers the Hyundai HL770-9, a robust wheel loader from the 9 Series. Engineered for demanding operational environments, this machine features a powerful diesel engine, typically from Cummins, and an Automatic Powershift transmission with 4 forward and 4 reverse gears, often a ZF brand. Its substantial operating weight, around 22,000 kg, and significant breakout force make it suitable for heavy-duty tasks in construction, mining, and material handling. The HL770-9 is designed for reliability and performance, offering a substantial bucket capacity and rated operating capacity to maximize productivity.

This comprehensive English-language manual is designed for DIY repair and provides detailed guidance for maintaining and repairing the Hyundai HL770-9. It encompasses a wide range of critical information, including step-by-step maintenance procedures, troubleshooting diagnostics, essential technical specifications, and important safety guidelines. Owners and technicians will find detailed instructions for fluid capacities, service intervals for engine and hydraulic oil, and performance data such as travel speed. This resource is indispensable for ensuring the longevity, optimal performance, and safe operation of your Hyundai wheel loader.