This comprehensive Komatsu D65EX-15, D65PX-15, and D65WX-15 Bulldozer Service Repair Manual provides a detailed and in-depth guide to maintaining and repairing your Komatsu bulldozer. The manual covers a wide range of topics, including: * **Engine:** Detailed information on engine components, operation, troubleshooting, and repair procedures for the Komatsu engine powering your D65 bulldozer. * **Transmission:** A complete guide to the transmission system, covering its operation, maintenance, and repair techniques. * **Hydraulics:** Thorough explanations of the hydraulic system, including component descriptions, troubleshooting procedures, and repair instructions. * **Undercarriage:** In-depth coverage of the undercarriage system, including tracks, rollers, sprockets, and other components, with detailed instructions for maintenance and repair. * **Electrical System:** A comprehensive guide to the electrical system, covering wiring diagrams, troubleshooting, and repair procedures. * **Operator's Manual:** Detailed instructions for operating the bulldozer safely and efficiently. * **Troubleshooting Guide:** A comprehensive section dedicated to diagnosing and resolving common issues with your Komatsu bulldozer. * **Parts Catalog:** An extensive parts catalog, helping you easily identify and order the necessary replacement parts. This manual is an essential resource for anyone who owns or operates a Komatsu D65EX-15, D65PX-15, or D65WX-15 bulldozer. Its detailed instructions and clear illustrations make it easy to understand and follow, enabling you to perform your own maintenance and repairs, saving you time and money.

The Komatsu D65EX-15, D65PX-15, and D65WX-15 are heavy-duty crawler bulldozers designed for a wide range of earthmoving applications. These models are part of Komatsu's D65 series, known for their reliability, durability, and efficiency. The D65EX-15 is the standard model, featuring a powerful engine and a robust undercarriage. The D65PX-15 is equipped with a parallel linkage blade, offering excellent control and precision for grading and finishing operations. The D65WX-15 model is equipped with a wide blade, ideal for large-scale earthmoving tasks. All three models share a common platform, incorporating advanced features like automatic blade control, electronic monitoring systems, and operator-friendly controls. These Komatsu bulldozers are powered by a fuel-efficient SAA6D107E-3 engine, which delivers high torque and horsepower for demanding applications. They feature a hydrostatic transmission system, providing smooth and responsive control, while the electronically controlled hydraulic system enhances efficiency and responsiveness. The D65 series boasts a robust undercarriage with durable tracks and sprockets, ensuring long-lasting performance even in harsh environments. The spacious operator cab provides a comfortable and ergonomic workspace with excellent visibility and intuitive controls, minimizing operator fatigue. With a focus on safety and operator well-being, the D65 series incorporates safety features like a rollover protective structure (ROPS) and a falling object protective structure (FOPS) for operator protection. The Komatsu D65EX-15, D65PX-15, and D65WX-15 remain popular choices for construction, mining, and earthmoving operations, proving their efficiency and reliability in challenging conditions.