This comprehensive Komatsu D85EX-15R and D85PX-15R Bulldozer Factory Service Repair Manual provides detailed technical information for servicing and repairing these powerful machines. Covering models with serial numbers 20001 and up, the manual offers in-depth guidance on various aspects of maintenance and repair, including:

* **Detailed Exploded Views:** Visualize every component of the bulldozer with clear and precise exploded diagrams, aiding in identification and disassembly.
* **Step-by-Step Procedures:** Follow expertly written, illustrated instructions for troubleshooting, disassembling, assembling, and adjusting various systems and components.
* **Wiring Diagrams:** Understand the intricate electrical systems of the D85EX-15R and D85PX-15R with comprehensive wiring diagrams.
* **Specifications and Tolerances:** Access crucial technical specifications, dimensions, and tolerances for all parts and components, ensuring accurate repairs.
* **Troubleshooting Guides:** Diagnose and solve problems efficiently using detailed troubleshooting charts and flowcharts.
* **Component Identification:** Locate and identify parts with ease using detailed component identification charts.

This manual will become an indispensable resource for mechanics, technicians, and operators seeking to service and maintain Komatsu D85EX-15R and D85PX-15R bulldozers effectively.

The Komatsu D85EX-15R and D85PX-15R are heavy-duty crawler bulldozers designed for demanding earthmoving and mining applications. These models are part of Komatsu's renowned D-Series line, known for their powerful performance, reliability, and operator comfort. The D85EX-15R is a standard configuration model, while the D85PX-15R is a "power" variant designed for applications requiring enhanced ripper performance. Both models feature a robust, durable construction, with a reinforced undercarriage, heavy-duty tracks, and robust drive train components. The heart of these machines is a powerful Komatsu SAA6D140E-3 engine, delivering high torque and power output for efficient operation in challenging conditions. With a maximum operating weight ranging from 56,200 to 61,300 kg, these bulldozers are capable of tackling heavy-duty tasks such as large-scale excavation, earthmoving, and material handling.

Furthermore, these Komatsu bulldozers are equipped with a range of advanced features to enhance productivity and operator comfort. The D85EX-15R and D85PX-15R utilize a Komatsu Electronic Control System (K-ECS) that monitors and regulates key machine functions, ensuring optimal performance and fuel efficiency. The operator cab offers excellent visibility, adjustable suspension seats, and ergonomic controls, contributing to a comfortable and productive work environment. Safety features are also incorporated, including a rollover protection system (ROPS) and a falling object protection system (FOPS) for operator safety. With their robust construction, powerful engine, and advanced technologies, the Komatsu D85EX-15R and D85PX-15R are reliable and efficient heavy-duty bulldozers that deliver high productivity in demanding applications.