This comprehensive service and repair manual provides detailed instructions and specifications for the Komatsu D65ex-16, D65px-16, and D65wx-16 crawler tractors. It covers all aspects of maintenance and repair, including engine, transmission, hydraulics, undercarriage, electrical system, and more. Whether you're a seasoned mechanic or a DIY enthusiast, this manual is an invaluable resource for keeping your Komatsu crawler tractor running smoothly and efficiently. Inside you will find detailed exploded views, wiring diagrams, troubleshooting guides, and step-by-step instructions for performing a wide range of repairs and maintenance tasks. With this manual, you can confidently diagnose and fix problems, perform routine maintenance, and ensure the longevity of your Komatsu D65 series crawler tractor.

The Komatsu D65ex-16, D65px-16, and D65wx-16 are powerful and versatile crawler dozers designed for a wide range of construction and earthmoving applications. These machines are known for their robust build, reliable performance, and advanced features. The D65ex-16 is the standard model, while the D65px-16 is the "power" version with higher horsepower and torque. The D65wx-16, on the other hand, is the "wide" model featuring a wider blade for increased productivity in heavy-duty applications. All three models share a common design philosophy, employing a powerful Komatsu SAA6D107E-3 engine, a hydrostatic transmission with variable-displacement pumps, and a robust undercarriage designed for durability even in the most challenging conditions. The D65 series offers a range of features to optimize operator comfort and productivity, including a spacious cab with ergonomic controls, advanced monitoring systems, and a powerful hydraulic system for precise blade control.

The D65ex-16, D65px-16, and D65wx-16 cater to a variety of projects, including road construction, site preparation, and material handling. Their powerful engines and robust undercarriages enable them to handle heavy loads and demanding terrain. The hydraulic system with variable-displacement pumps provides smooth and efficient power transfer, ensuring precise blade control and efficient operation. The advanced monitoring system allows operators to keep track of key performance indicators, helping to optimize machine performance and minimize downtime. The D65 series offers a balance of power, efficiency, and operator comfort, making it a valuable asset in construction and earthmoving operations.