This comprehensive Workshop Service Repair Manual provides detailed instructions and technical information for Komatsu Crawler Dozers D65EX-15, D65PX-15, and D65WX-15 models with serial numbers 69001 and up. It is an essential resource for mechanics, technicians, and operators involved in the maintenance and repair of these machines. The manual covers a wide range of topics, including detailed specifications and technical data, a thorough explanation of the machine's structure and function, maintenance standards, standard service value tables, testing and adjusting procedures, comprehensive troubleshooting guides, and detailed disassembly and assembly instructions. The manual features extensive illustrations, circuit diagrams, and step-by-step procedures to ensure clarity and ease of use. It includes sections dedicated to the engine and cooling system, power train, undercarriage and frame, hydraulic system, work equipment, cab and its attachments, and the electrical system. The troubleshooting section provides guidance for diagnosing both electrical and hydraulic/mechanical system issues, as well as engine problems. Additionally, the manual contains a collection of hydraulic and electrical diagrams to facilitate a deeper understanding of the machine's systems. This manual is designed to help users effectively maintain, repair, and operate Komatsu D65 Crawler Dozers, ensuring optimal performance and longevity.

The Komatsu D65EX-15, D65PX-15, and D65WX-15 crawler dozers are powerful and versatile machines designed for a wide range of earthmoving applications. These dozers are part of Komatsu's renowned D65 series, known for its reliability, durability, and efficiency. The D65EX-15 is the standard model, offering a balance of performance and cost-effectiveness. The D65PX-15 is a more powerful variant, equipped with a larger engine and higher horsepower output, catering to demanding tasks. Lastly, the D65WX-15 is a specialized model designed for extreme weather conditions, featuring cold weather packages and other features that enhance operation in harsh environments. All three models feature a robust undercarriage with heavy-duty tracks and rollers, ensuring excellent traction and stability on uneven terrain. The D65 series dozers boast a powerful Komatsu SAA4D107E-3 engine, known for its fuel efficiency and low emissions. This engine provides the necessary power to move large volumes of earth, and it is paired with a hydrostatic transmission system that delivers smooth and precise control. The dozers are equipped with a spacious and ergonomic operator's cab, offering excellent visibility and a comfortable working environment. Advanced features, including a multi-function display, hydraulically adjustable blade, and optional ripper attachment, further enhance the operator’s control and productivity. The D65EX-15, D65PX-15, and D65WX-15 are reliable and robust machines, making them ideal for use in a variety of industries, including construction, mining, and forestry. With their advanced features and technological innovations, these crawler dozers are designed to optimize performance, minimize operating costs, and ensure a safe and efficient working experience for the operator.