This comprehensive manual provides in-depth information on maintaining, assembling, disassembling, and servicing your Komatsu D65EX-15, D65PX-15, and D65WX-15 Bulldozers. The manual is divided into two parts: a Service Repair Manual and an Operation & Maintenance Manual, offering a complete guide to ensure peak performance through effective, economical, and safe machine operation and maintenance.

The Service Repair Manual includes detailed specifications, diagrams, actual real photo illustrations, and schemes, providing step-by-step instructions for repair, diagnosing, servicing, technical maintenance & troubleshooting procedures. You'll find comprehensive information to help you identify problems, understand how to repair and maintain your machine, and avoid unnecessary service calls.

The Operation & Maintenance Manual covers procedures for operating, handling, lubricating, maintaining, checking, and adjusting your bulldozer. It empowers both operators and maintenance personnel to achieve optimal performance through effective, cost-efficient, and safe machine operation and maintenance.

The information included within these manuals is applicable to the following models and serial numbers:

* **D65EX-15 - S/N: 67001 and up**
* **D65PX-15 - S/N: 67001 and up**
* **D65WX-15 - S/N: 67001 and up**

These models are equipped with the SA6D125E-3 engine. For detailed engine information, refer to the 125-3 Series Engine Shop Manual.

The Service Repair Manual covers the following sections:

* General
* Structure, Function, and Maintenance Standard
* Testing and Adjusting
* Disassembly and Assembly
* Others

The Operation & Maintenance Manual includes the following sections:

* Foreword
* Safety
* Operation
* Maintenance
* Specifications
* Attachments, Options
* Index


This comprehensive manual offers a wealth of information to help you effectively maintain and repair your Komatsu D65EX-15, D65PX-15, and D65WX-15 Bulldozers.

The Komatsu D65EX-15, D65PX-15, and D65WX-15 are powerful and versatile bulldozers designed for a wide range of heavy-duty construction and earthmoving applications. These models are part of Komatsu's renowned D65 series, renowned for their reliability, durability, and operator comfort.

The D65EX-15 is equipped with a 150-horsepower (112 kW) engine, while the D65PX-15 and D65WX-15 boast a 175-horsepower (130 kW) engine, providing ample power for demanding tasks. These bulldozers feature a robust undercarriage with a wide track gauge for enhanced stability and traction on uneven terrain. Their hydraulic systems are designed for precision control, enabling operators to maneuver the blade and ripper with ease. The D65EX-15 prioritizes fuel efficiency, while the D65PX-15 and D65WX-15 focus on increased productivity through their higher horsepower rating. The D65WX-15 is distinguished by its added features, including a wider blade and a powerful ripper for more aggressive earthmoving operations.

Komatsu's D65 series bulldozers are designed with operator comfort and safety in mind. The spacious cab offers a well-designed workspace, providing excellent visibility and ergonomic controls. The operator can adjust the seat and controls to their preference for maximum comfort and productivity. The D65 models are also equipped with a range of safety features, including a rollover protection system (ROPS) and a falling object protection system (FOPS), ensuring the operator's safety in even the most demanding conditions.