This comprehensive Service Repair Manual provides in-depth information for maintaining, assembling, disassembling, and servicing your Komatsu D65EX-15, D65PX-15, and D65WX-15 bulldozer. It covers machines with serial numbers 67001 and up, specifically those equipped with the SA6D125E-3 engine. Detailed information about the engine can be found in the separate 125-3 Series Engine Shop Manual.

This manual is packed with specifications, diagrams, and real photo illustrations to guide you through every step of repair, diagnosis, servicing, technical maintenance, and troubleshooting procedures. It allows you to understand the inner workings of your machine and confidently perform repairs, saving you time and money.

The manual is organized into sections covering:

* **General:** Introduces the manual and provides essential information.
* **Structure, Function and Maintenance Standard:** Explains the structure and operation of the machine, along with recommended maintenance practices.
* **Testing and Adjusting:** Covers procedures for testing and adjusting various components and systems.
* **Disassembly and Assembly:** Provides detailed instructions on disassembling and reassembling the machine, including specific steps for each component.
* **Others:** Includes additional information, technical specifications, and troubleshooting resources.

This manual offers a complete and detailed resource for professionals and individuals seeking to maintain and repair their Komatsu D65EX-15, D65PX-15, or D65WX-15 bulldozer.

The Komatsu D65EX-15, D65PX-15, and D65WX-15 bulldozers are powerful and versatile machines designed for a wide range of earthmoving applications. These models, introduced by Komatsu with serial numbers starting from 67001, represent a significant advancement in the company's D65 series. They are equipped with powerful Komatsu SAA6D107E-3 engines, generating ample power for demanding tasks. The D65EX-15 is a standard model, offering excellent performance and reliability. The D65PX-15 is a "power" model, boasting even higher horsepower and increased torque for tackling the most challenging jobs. The D65WX-15 is a "wide" model featuring extended tracks and a wider blade for enhanced stability and increased productivity in heavy-duty applications.

Further enhancing their performance and versatility, these bulldozers are equipped with cutting-edge features and technologies. The Komatsu Electronic Control system optimizes engine performance and fuel efficiency, while the Automatic Transmission with lockup torque converter provides smooth and efficient power transfer. The advanced hydraulic system enables precise control over the blade and other implements. The spacious operator cab offers excellent visibility and comfortable ergonomics, minimizing operator fatigue during long shifts. The D65EX-15, D65PX-15, and D65WX-15 are durable and reliable machines designed to withstand the rigors of heavy-duty construction and mining environments. With their powerful performance, innovative features, and robust construction, these bulldozers are a reliable choice for those seeking a high-performing and versatile earthmoving solution.