This service repair manual provides comprehensive information for the Hyundai HL757-9SM Wheel Loader. Engineered for demanding heavy equipment applications, this machine is built for reliability and performance. Its robust design and advanced features ensure efficient operation across a wide range of tasks, from material handling to construction site preparation. This manual is an essential resource for understanding and maintaining the integrity of your Hyundai equipment. The purpose of this manual is to guide users through the maintenance, assembly, disassembly, servicing, repair, and troubleshooting of the Hyundai HL757-9SM Wheel Loader. It covers critical systems including the engine, power train, brake, steering, work equipment, and electrical systems. Detailed procedures, operational checks, adjustments, and technical specifications are provided, complemented by diagrams and illustrations to facilitate a thorough understanding. This document is designed to empower owners, mechanics, and technicians in ensuring the optimal performance and longevity of the vehicle.