This comprehensive manual provides in-depth information on maintaining, assembling, disassembling, and servicing your Komatsu GD555-3C, GD655-3C, and GD675-3C motor graders. It covers a wide range of topics, enabling you to achieve peak performance through effective, economical, and safe machine operation and maintenance.

The manual is divided into two main sections: a service repair manual and an operation & maintenance manual. The service repair manual provides detailed specifications, diagrams, and real-life photo illustrations, guiding you through step-by-step repair, servicing, technical maintenance, and troubleshooting procedures for your machine. The information in this section will allow you to identify problems and understand how to repair and maintain your machine without needing to rely on professional service.

The operation & maintenance manual focuses on procedures for operating, handling, lubricating, maintaining, checking, and adjusting your machine. This section is designed to help both operators and maintenance personnel maximize machine performance while ensuring safe and efficient operation.

The manual is specifically designed for Komatsu GD555-3C, GD655-3C, and GD675-3C motor graders with serial numbers 50001 and up. It also includes relevant information concerning the engines used in these models: the SA6D102E-1 or SAA6D102E-2 engine for the GD555-3C, and the S6D114E-1, SA6D114E-1, or SAA6D114E-2 engine for the GD655-3C and GD675-3C. For more detailed information on the engines, refer to the 102 Series Engine Shop Manual and the 114 Series Engine Shop Manual respectively.

This manual provides a complete and comprehensive guide for maintaining, troubleshooting, and repairing your Komatsu motor grader, ensuring you have the information you need to keep your machine running smoothly and efficiently.

The Komatsu GD555-3C, GD655-3C, and GD675-3C Motor Graders are powerful and versatile machines designed for a wide range of earthmoving and construction applications. These models are renowned for their exceptional durability, reliability, and operator comfort. Featuring a robust design, they are equipped with powerful engines delivering high torque and horsepower, enabling them to tackle demanding tasks with ease. These graders are designed for optimal operator productivity with intuitive controls and excellent visibility, allowing for precise blade operation and efficient site management. The advanced hydraulic system ensures smooth and responsive blade movement, while the robust undercarriage provides stability and traction on challenging terrain.

The GD555-3C, GD655-3C, and GD675-3C Motor Graders benefit from Komatsu's commitment to innovation and technological advancements. These models are equipped with advanced electronic systems, including a sophisticated engine control system that optimizes fuel efficiency and reduces emissions. The comprehensive operator's manual, covering operation and maintenance, provides detailed instructions and troubleshooting guides for enhancing machine performance and extending its lifespan. With their remarkable performance, advanced features, and reliable operation, these Komatsu Motor Graders are a mainstay in the construction and infrastructure industries, helping contractors achieve their goals efficiently and safely.