This comprehensive **Komatsu GD670 Series Grader Workshop Service Repair Manual** provides detailed instructions and technical specifications for maintaining and repairing your Komatsu GD670 Series Grader. The manual covers all aspects of the machine, including engine, transmission, hydraulics, electrical system, and more. The manual includes detailed diagrams, illustrations, and step-by-step instructions to help you accurately diagnose and resolve any issues you may encounter. The information included in this manual will help you perform a wide range of maintenance and repair tasks, from routine servicing to complex component overhauls. You'll find detailed information on: * **Engine:** This section covers the engine's operation, maintenance, and repair, including detailed descriptions of components like the fuel system, cooling system, and lubrication system. You'll find information on troubleshooting engine problems, performing engine rebuilds, and adjusting engine settings. * **Transmission:** This section covers the transmission's operation, maintenance, and repair, including detailed descriptions of components like the gearbox, clutches, and torque converter. You'll find information on troubleshooting transmission problems, performing transmission overhauls, and adjusting transmission settings. * **Hydraulics:** This section covers the hydraulic system's operation, maintenance, and repair, including detailed descriptions of components like the hydraulic pumps, valves, and cylinders. You'll find information on troubleshooting hydraulic problems, performing hydraulic system maintenance, and repairing hydraulic components. * **Electrical System:** This section covers the electrical system's operation, maintenance, and repair, including detailed descriptions of components like the alternator, starter, and wiring harness. You'll find information on troubleshooting electrical problems, performing electrical system maintenance, and repairing electrical components. * **Brakes:** This section covers the brake system's operation, maintenance, and repair, including detailed descriptions of components like the brake calipers, brake pads, and brake lines. You'll find information on troubleshooting brake problems, performing brake system maintenance, and repairing brake components. * **Steering:** This section covers the steering system's operation, maintenance, and repair, including detailed descriptions of components like the steering wheel, steering column, and steering gear. You'll find information on troubleshooting steering problems, performing steering system maintenance, and repairing steering components. * **Undercarriage:** This section covers the undercarriage's operation, maintenance, and repair, including detailed descriptions of components like the tracks, rollers, and sprockets. You'll find information on troubleshooting undercarriage problems, performing undercarriage maintenance, and repairing undercarriage components. * **Body and Attachments:** This section covers the body and attachments’ operation, maintenance, and repair, including detailed descriptions of components like the blade, ripper, and scraper. You'll find information on troubleshooting body and attachment problems, performing body and attachment maintenance, and repairing body and attachment components. This manual is an invaluable resource for anyone who works on Komatsu GD670 Series Graders, whether you're a professional mechanic or a do-it-yourself enthusiast. This manual is specifically designed for the GD672A-1 model with serial numbers 20001 and up. With this manual, you'll have the information you need to keep your grader running smoothly and efficiently.

The Komatsu GD670 Series Grader is a powerful and versatile piece of heavy machinery designed for a wide range of construction and infrastructure projects. This model is known for its robust build, advanced technology, and exceptional performance. It features a powerful engine that delivers ample torque and horsepower for demanding tasks, along with a hydraulic system that provides smooth and precise control over the blade and other attachments. The GD670 Series Grader boasts an operator-friendly design, with a spacious and ergonomic cab that offers excellent visibility and comfortable working conditions. The advanced control system makes operation intuitive and efficient, allowing operators to maximize productivity while minimizing operator fatigue. The GD670 Series Grader is equipped with a variety of features that enhance its functionality and versatility. These features include a blade that can be adjusted to various angles and positions for precise grading and leveling, a ripper for breaking up hard surfaces, and a variety of other attachments that can be used for specialized tasks. The machine's durable construction and advanced design ensure reliable operation in demanding environments, enabling it to handle a wide range of applications, including road construction, site preparation, and utility work. The GD670 Series Grader is an indispensable tool for contractors and professionals seeking a reliable and efficient machine for their heavy-duty projects.