This comprehensive Operation and Maintenance Manual covers Komatsu D65EX-15, D65PX-15, and D65WX-15 Bulldozers with serial numbers 67001 and up. It provides detailed instructions on operating, handling, lubricating, maintaining, checking, and adjusting your bulldozer for peak performance, safety, and economy. The manual features a range of valuable information, including:

* **General Information:** Includes a Foreword, Safety Information, Introduction, Necessary Information, and Safety Labels.
* **General Precautions:** Provides essential guidance on operating and maintaining the bulldozer safely.
* **Operation:** Covers a detailed overview of the bulldozer, explanations of its components, operation procedures, transportation, cold weather operation, and long-term storage.
* **Troubleshooting:** Provides guidance for diagnosing and resolving common issues.
* **Maintenance:** Offers a comprehensive maintenance guide, outlining service procedures, a wear parts list, recommended fuel, coolant, and lubricant specifications, standard tightening torques for bolts and nuts, periodic replacement of safety-critical parts, a maintenance schedule chart, and detailed service procedures.
* **Specifications:** Includes a detailed breakdown of the bulldozer's specifications.
* **Attachments and Options:** Covers various available attachments and options, including the handling of hydraulic rippers, trimming dozers, deluxe seats, headrests, fire extinguishers, and first-aid kits.
* **Index:** Provides easy access to specific information within the manual for quick reference.

The Komatsu D65EX-15, D65PX-15, and D65WX-15 bulldozers, introduced with serial numbers 67001 and up, are powerful and versatile machines designed for demanding earthmoving applications. These models are renowned for their durability, reliability, and operator comfort. The EX-15 variant is equipped with a 6-cylinder, turbocharged Komatsu SAA6D107E-3 engine, delivering impressive power and torque for efficient earthmoving operations. The PX-15 model shares the same engine and performance capabilities as the EX-15 but features a different blade configuration, making it suitable for specific tasks. The WX-15 model, on the other hand, is equipped with a 6-cylinder, turbocharged Komatsu SAA6D107E-2 engine, providing a balance of power and fuel efficiency. All three models are built with a robust undercarriage featuring heavy-duty tracks and rollers, capable of withstanding the stresses of tough working conditions. The Komatsu D65EX-15, D65PX-15, and D65WX-15 bulldozers boast a well-designed operator station that prioritizes comfort and control. Features include a spacious cab with adjustable seating, ergonomic controls, and a clear view of the surroundings, enhancing operator comfort and productivity.

The D65EX-15, D65PX-15, and D65WX-15 bulldozers are equipped with a range of advanced features that contribute to their efficiency and ease of operation. These include a hydraulic system optimized for smooth and responsive controls, providing precise blade movements for accurate grading and earthmoving. The Komatsu EMMS (Electronic Monitoring and Management System) provides real-time information on the machine's performance, enabling operators to monitor fuel consumption, engine load, and other critical parameters, optimizing operational efficiency. The D65EX-15, D65PX-15, and D65WX-15 bulldozers are also equipped with Komatsu's renowned safety features, including a comprehensive ROPS (Rollover Protective Structure) and FOPS (Falling Object Protective Structure) design, ensuring a safe working environment for the operator. These safety features, alongside the powerful engine and robust undercarriage, make the D65EX-15, D65PX-15, and D65WX-15 bulldozers ideal for a wide range of earthmoving applications, from large-scale construction projects to smaller site preparation tasks.