This comprehensive Komatsu D61EX-15 and D61PX-15 Bulldozer Service Repair Manual is designed to provide you with the detailed information you need to effectively maintain, service, and troubleshoot your machine. The manual covers a wide range of topics, ensuring you have a complete understanding of your Komatsu bulldozer. The manual begins with general specifications, providing essential information including dimension drawings, weight tables, and oil and coolant specifications. This section equips you with the foundational knowledge required to operate and maintain your D61EX-15 or D61PX-15. Moving beyond general specifications, the manual delves into the structure and function of various components, including the engine, cooling system, power transmission system, undercarriage, hydraulic system, work equipment, cab and attachments, and the electrical system. Each section offers a thorough breakdown of the component's operation and maintenance standards. Further enhancing your troubleshooting capabilities, the manual features a dedicated section on testing, adjusting, and troubleshooting. This section includes a comprehensive table of standard values for various components, helping you quickly identify and address potential problems. Clear instructions are provided for conducting tests and adjusting components, ensuring proper operation. The manual goes beyond diagnostics and troubleshooting, providing detailed disassembly and assembly procedures. These procedures are carefully outlined, breaking down complex tasks into manageable steps. Whether you need to rebuild the engine, repair the undercarriage, or address hydraulic system issues, this manual guides you through the process with precision. Finally, the manual concludes with hydraulic and electrical circuit diagrams. These diagrams provide a visual representation of the complex systems within your Komatsu bulldozer, making it easier to understand the flow of fluids and electricity. This visual aid is invaluable for diagnosing and resolving complex issues related to the hydraulic and electrical systems. This Komatsu D61EX-15 and D61PX-15 Bulldozer Service Repair Manual is your comprehensive resource, providing the knowledge and guidance you need to effectively maintain, service, and troubleshoot your machine. With its extensive coverage, detailed explanations, and clear instructions, this manual empowers you to perform repairs and maintenance with confidence, saving you time and money in the long run.

The Komatsu D61EX-15 and D61PX-15 bulldozers are powerful and versatile machines designed for demanding earthmoving applications. These models are part of Komatsu's renowned D61 series, known for their reliability, durability, and operator comfort. The D61EX-15 is a standard blade model, while the D61PX-15 features a powerful parallel blade ideal for precise grading and finish work. Both models are powered by a fuel-efficient Komatsu SAA6D107E-1 engine, delivering exceptional performance and efficiency. These dozers are equipped with a robust undercarriage, featuring durable track chains, rollers, and idlers for optimal traction and stability on uneven terrain. The operator cabin boasts a spacious and ergonomic design, providing excellent visibility and comfortable operation for long shifts. The Komatsu D61EX-15 and D61PX-15 bulldozers are equipped with a range of advanced features, including a hydraulic system optimized for efficient operation and fuel economy. The hydraulic system allows for precise control of the blade, ripper, and other attachments, ensuring accurate and smooth operation. These models also incorporate an electronic control system that monitors various engine and machine parameters, providing real-time information to the operator and facilitating preventative maintenance. The D61EX-15 and D61PX-15 bulldozers are designed with safety in mind, featuring a robust rollover protective structure (ROPS) and falling object protective structure (FOPS) to protect the operator in the event of a mishap. These machines are also equipped with a comprehensive array of warning systems, including audible and visual alerts, to enhance safety during operation.