This comprehensive Service Repair Manual covers the Komatsu D65E-12, D65EX-12, D65P-12, and D65PX-12 bulldozers with serial numbers 60001 and up. It is your complete guide to maintaining, assembling, disassembling, and servicing these machines. The manual includes detailed information regarding the D65-12 models equipped with the 6D125-1, S6D125-1, 6D125E-2, and S6D125E-2 engines. For specific engine details, consult the 125 Series and 125-2 Series Engine Shop Manual.

This manual is packed with technical information, diagrams, and real-life photos to guide you through every step of repair, diagnosis, servicing, maintenance, and troubleshooting procedures. You'll find specifications, detailed illustrations, and comprehensive schemes to ensure you understand the technical aspects of your machine. This manual empowers you to identify potential issues and learn how to effectively repair and maintain your Komatsu bulldozer, minimizing the need for costly service calls.

The manual is organized into sections covering:

* **General** - Providing an overview of the machine.
* **Structure and Function** - Explaining the workings of the bulldozer's components.
* **Testing and Adjusting** - Guidance on checking and adjusting systems and components.
* **Disassembly and Assembly** - Detailed instructions for taking apart and putting together various parts.
* **Maintenance Standard** - Setting out the recommended maintenance schedules and procedures.
* **Other** - Containing additional information.

This comprehensive service repair manual provides the complete information you need to confidently maintain and repair your Komatsu D65E-12, D65EX-12, D65P-12, or D65PX-12 bulldozer, saving you time and money in the long run.

The Komatsu D65E-12, D65EX-12, D65P-12, and D65PX-12 bulldozers are powerful and versatile machines designed for a wide range of earthmoving applications. These models, introduced by Komatsu with serial numbers starting from 60001, boast advanced features and robust construction, making them ideal for demanding tasks in construction, mining, and forestry. The D65E-12 is the standard model, while the D65EX-12 features a blade with extended cutting edges for increased productivity. The D65P-12 is equipped with a powerful engine and a larger blade, enabling it to handle heavier loads. Finally, the D65PX-12 combines the features of the EX and P models, offering exceptional performance for challenging projects.

These bulldozers are powered by Komatsu's reliable and fuel-efficient SAA6D107E-3 engine, which delivers ample power and torque for efficient earthmoving operations. The D65E-12 and D65EX-12 models come equipped with a 6-speed powershift transmission, while the D65P-12 and D65PX-12 models feature a 7-speed powershift transmission for enhanced power and speed control. The hydraulic system provides smooth and precise control of the blade and other attachments, ensuring optimal performance and maneuverability. The Komatsu D65E-12, D65EX-12, D65P-12, and D65PX-12 bulldozers are built with durability and operator comfort in mind. They feature a spacious and ergonomic operator's cab with a comfortable seat and intuitive controls for increased operator productivity. The robust undercarriage and durable components ensure long-lasting performance even in the most demanding conditions.