This comprehensive Komatsu D155A-3 Bulldozer Factory Service Repair Manual covers all aspects of servicing and repairing your Komatsu D155A-3 bulldozer, specifically for serial numbers 60001 and up. With detailed instructions and illustrations, this manual empowers you to tackle any maintenance or repair task with confidence. From routine inspections and adjustments to complex component overhauls, this manual provides the essential guidance you need to keep your D155A-3 operating efficiently and reliably. Within its pages, you will find in-depth information on all major systems including the engine, transmission, hydraulics, undercarriage, electrical system, and more. Each procedure is clearly explained with step-by-step instructions and helpful diagrams, ensuring accuracy and ease of understanding. This manual is an invaluable resource for anyone looking to maintain or repair their Komatsu D155A-3 bulldozer, whether you are a seasoned mechanic or a DIY enthusiast.

The Komatsu D155A-3 is a powerful and versatile crawler tractor designed for heavy-duty earthmoving applications. It's a class 7 crawler, boasting a robust build and impressive performance capabilities. The D155A-3 features a powerful Komatsu SAA6D140E-3 engine, providing ample torque and horsepower to tackle challenging tasks. Its durable undercarriage is engineered for longevity and stability, ensuring reliable operation in even the most demanding environments. The D155A-3 is equipped with an advanced hydraulic system that delivers smooth and precise control of its various working functions, including the blade, ripper, and other attachments. Its operator cab is designed to maximize comfort and visibility, offering a safe and ergonomic workspace.

The Komatsu D155A-3 has been praised for its fuel efficiency, low maintenance requirements, and overall reliability. It finds extensive use in construction, mining, and forestry operations, where its versatility and power make it a valuable asset. Its impressive performance combined with user-friendly features make it a popular choice for experienced operators, contributing to its enduring reputation within the heavy equipment industry. The D155A-3 exemplifies Komatsu's commitment to engineering durable and efficient machinery, making it a reliable workhorse in a wide range of demanding applications.