This comprehensive Komatsu GD650A-2A Motor Grader Workshop Service Repair Manual provides detailed instructions and information for repairing and maintaining the Komatsu GD650A-2A Motor Grader. This manual covers a wide range of components and systems within the vehicle, including the Articulation Joint Assembly, Char-Lynn Orbitrol Unit, Transmission Power Shift (Funk 2263E130B), All Wheel Drive Pump (Rexroth), Circle Reverse Motor (Danfoss), Circle Reverse Motor P/N 1435 598 H91 (Char-Lynn), Steering & Brake Pump (Eaton Model 70422 RDU), Hydraulic Motor (Vickers) (All Wheel Drive), 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 (P/N 1285 352 H91, 1279 537 H & 1233 789 H91), Rear Axle Cooling and Lock/Unlock Differential Pump, Circle Reverse Slip Clutch, Circle Reverse Gear Case, Tandem Case (Single and Double Strand Chains), Gearbox Assembly (All Wheel Drive), Front Axle Assembly, Final Drive Assembly (John Deere TeamMate II) with Planetary and Non-Planetary Reduction (NoSpin & Lock/Unlock Differential), Circle Adjustment (Four Shoe), Parking Brake Caliper (Perrot P/N 40 023 002), Parking Brake Caliper (Mico), Brake Valve (Rexroth), Brake Valve (Mico), Wiring Diagrams, Pre-Delivery Procedures, Suspension Seat, General Torque Values, and Metric Conversions. Within each section, you will find detailed substeps expanding on repair procedure information, notes, cautions, and warnings to pinpoint critical information, numbered instructions to guide you through every repair procedure step-by-step, bold figure numbers to help quickly match illustrations with instructions, detailed illustrations, drawings, and photos to guide you through every procedure, enlarged insets to help identify and examine parts in detail, a numbered table of contents for easy navigation, and troubleshooting and electrical service procedures combined with detailed wiring diagrams for ease of use.

The Komatsu GD650A-2A Motor Grader is a powerful and versatile piece of heavy machinery designed for a wide range of applications in construction, mining, and road maintenance. This model is known for its rugged durability, high-performance engine, and advanced control systems. The GD650A-2A features a powerful Komatsu SAA6D140E-2 engine, delivering ample power and torque for demanding tasks. The engine is paired with a hydrostatic transmission, providing smooth and responsive operation with precise control. This grader boasts a large blade capacity, allowing for efficient earthmoving and material handling. The blade can be adjusted for various angles and depths, enabling operators to achieve precise grading, leveling, and shaping of surfaces. The GD650A-2A also features a robust undercarriage, designed to withstand the rigors of demanding work environments. The tracks provide excellent traction and stability, allowing the grader to operate on uneven terrain and challenging surfaces. The Komatsu GD650A-2A Motor Grader incorporates advanced technology to enhance operator comfort, safety, and productivity. The cab is ergonomically designed with excellent visibility and a comfortable operator's seat. The control system is intuitive and easy to use, allowing for precise operation and efficient task completion. The grader also features a number of safety features, including a rollover protection system (ROPS) and a fall-arrest system (FOPS). The GD650A-2A is a highly reliable and efficient machine that is designed to meet the needs of demanding construction and mining operations. It is capable of handling a wide range of tasks, from grading and leveling to ditching and material spreading. The Komatsu GD650A-2A is a true workhorse, renowned for its durability, performance, and operator comfort. Its advanced features and robust design make it a valuable asset for any heavy-duty construction or mining operation.