This comprehensive service and repair manual provides in-depth information about maintaining, assembling, disassembling, and servicing your Hyundai HL630, HL635, HL635L, HL660, HL660L, HL665, and HL665L wheel loaders. The manual covers a wide range of topics, including engine, transmission, hydraulics, electrical systems, brakes, steering, and more. It includes detailed diagrams, illustrations, and step-by-step instructions to guide you through every repair or maintenance procedure. Whether you are a professional mechanic or a DIY enthusiast, this manual is an invaluable resource for ensuring the optimal performance and longevity of your Hyundai wheel loader.

The Hyundai HL630, HL635, HL635L, HL660, HL660L, HL665, and HL665L wheel loaders are robust and versatile machines designed for a wide range of construction and material handling tasks. These loaders are known for their powerful engines, durable construction, and operator-friendly features. The HL630, HL635, and HL635L models offer a balance of power and agility, making them suitable for smaller to medium-sized projects. The HL660, HL660L, HL665, and HL665L models are heavier-duty machines, equipped with larger engines and higher lifting capacities, ideal for demanding applications such as large-scale construction and quarrying. These wheel loaders are powered by Cummins or Hyundai engines, known for their reliability and fuel efficiency. They feature advanced hydraulic systems that deliver smooth and precise operation, ensuring optimal performance in various working conditions. Hyundai HL series wheel loaders offer a comfortable and safe operating environment for operators. The cabs are spacious and ergonomically designed, with intuitive controls and excellent visibility. Features like air conditioning, adjustable seats, and a noise-dampening system enhance operator comfort and productivity. Safety is paramount in the design of these loaders. They are equipped with multiple safety features, including a robust rollover protection structure (ROPS) and a fall protection system (FOPS). The machines also incorporate automatic braking systems and a comprehensive warning system, ensuring operator safety and preventing accidents. These Hyundai wheel loaders are engineered for optimal performance and reliability, with robust construction and a focus on durability that enables them to withstand even the most challenging working conditions. They are backed by Hyundai's extensive dealer network, providing readily available parts, service, and support to ensure continuous operation and maximize uptime.