This comprehensive Komatsu GD555-3A, GD655-3A, and GD675-3A Factory Service Repair Manual provides detailed technical information and repair procedures for these models. The manual covers all aspects of operation, maintenance, and repair, ensuring you have the necessary guidance to effectively troubleshoot and resolve issues. It offers detailed information on the functionality of each component, step-by-step instructions for disassembly and reassembly, and clear diagrams for visual aid. This manual covers machines with serial numbers 10001 and up, providing the most up-to-date information for these models.

The Komatsu GD555-3A, GD655-3A, and GD675-3A are powerful and versatile bulldozers designed for demanding construction and earthmoving operations. These machines are renowned for their robust construction, high performance, and operator comfort. The GD555-3A, with its 147 horsepower engine, is well-suited for smaller projects, while the GD655-3A, boasting 173 horsepower, offers enhanced power for more challenging tasks. The top-of-the-line GD675-3A, equipped with a powerful 208 horsepower engine, tackles the most demanding earthmoving applications with ease. These bulldozers offer a range of blade configurations, including straight, semi-U, and U-blades, to suit various operating conditions and applications. They feature advanced hydraulic systems that provide precise control and responsiveness, allowing operators to maneuver with accuracy and efficiency.

Komatsu engineered the GD555-3A, GD655-3A, and GD675-3A with operator comfort and safety as paramount considerations. The spacious operator cab provides excellent visibility and ergonomics, reducing operator fatigue and maximizing productivity. The machines are equipped with advanced safety features, including ROPS/FOPS protection, warning systems, and intuitive control interfaces. These features ensure a secure and comfortable operating environment, contributing to increased productivity and reduced downtime. The Komatsu GD555-3A, GD655-3A, and GD675-3A bulldozers are reliable workhorses, renowned for their durability and long service life. They are backed by a robust network of Komatsu dealers, offering comprehensive maintenance and support services, ensuring optimal performance and longevity.