This comprehensive Komatsu GD650A-2C Motor Grader Workshop Service Repair Manual provides detailed technical information for maintaining and repairing your machine. It covers a wide range of systems and components, offering step-by-step instructions, illustrations, and schematics to guide you through every procedure. The manual includes sections on the Articulation Joint Assembly, Char-Lynn Orbitrol Unit, Transmission Power Shift (Funk 2263E130B), All Wheel Drive Pump (Rexroth), Circle Reverse Motor (Danfoss and Char-Lynn), Steering & Brake Pump (Eaton Model 70422 RDU), Hydraulic Motor (Vickers), Hydraulic Oil Swivel Block (Four-Way), Control Valve Manifolds (Husco 5000C Series), Main System Pump, All Wheel Drive Hydraulic Integrated Circuit (HIC) Valve, Hydraulic Cylinders, Accumulators, Troubleshooting and Adjustment, Rear Axle Cooling and Lock/Unlock Differential Pump, Circle Reverse Slip Clutch, Circle Reverse Gear Case, Tandem Case, Gearbox Assembly, Front Axle Assembly, Final Drive Assembly (John Deere TeamMate II), Circle Adjustment, Metric Conversions, Parking Brake Caliper (Perrot and Mico), Brake Valve (Rexroth and Mico), Wiring Diagrams, Pre-Delivery Procedures, Suspension Seat, General Torque Values, and more. With its detailed substeps, notes, cautions, and warnings, this manual provides everything you need to service and repair your Komatsu GD650A-2C Motor Grader effectively and safely. It is suitable for both do-it-yourselfers and experienced mechanics, ensuring you have the right information to keep your vehicle operating at its best.

The Komatsu GD650A-2C is a heavy-duty motor grader designed for a wide range of construction and road maintenance applications. It boasts a powerful engine, robust construction, and advanced control systems, making it a versatile and efficient machine. The GD650A-2C is equipped with a Cummins QSL9 engine, generating 260 horsepower, providing ample power for tackling demanding tasks. It features a robust undercarriage with a 16-foot moldboard, offering excellent stability and maneuverability in various terrains. The machine's hydraulic system delivers precise control over blade operations, enabling operators to achieve high accuracy and efficiency in grading, leveling, and shaping surfaces. The Komatsu GD650A-2C is designed with operator comfort and safety in mind. The spacious cab provides excellent visibility and features ergonomic controls, reducing operator fatigue during prolonged work shifts. The machine is equipped with multiple safety features, including a rollover protective structure (ROPS) and a falling object protective structure (FOPS), ensuring the operator's well-being in demanding work environments. The advanced control systems of the GD650A-2C enhance its performance and efficiency. The machine features an electronic control system that optimizes engine power and transmission operation, providing smooth and responsive performance. The advanced blade control system allows for precise blade adjustments, enabling operators to achieve desired grades and shapes with high accuracy. These features contribute to the machine's overall efficiency and effectiveness in various applications.