This manual covers the Komatsu PC400-7, PC450-7, PC400LC-7, and PC450LC-7 series excavators, specifically for serial numbers PC400-7 and PC400LC-7 starting from 50001, and PC450-7 and PC450LC-7 starting from 20001. These machines are engineered for demanding construction and heavy-duty applications, built with Komatsu's reputation for robust performance and operational reliability. This factory shop manual provides comprehensive documentation to ensure these powerful excavators operate at their peak efficiency.
The purpose of this manual is to serve as a definitive guide for maintaining and repairing your Komatsu excavator. It contains detailed, step-by-step instructions for troubleshooting, repairs, and overhauls, supported by high-quality diagrams, pictures, and illustrations. All necessary specifications and tolerances are included, along with explanations of component functions. This resource is designed to assist owners, mechanics, and technicians in performing all service tasks correctly and efficiently, ensuring the longevity and optimal performance of the equipment.
Komatsu PC400-7,PC450-7,PC400LC-7 shop manual.
This is the factory shop manual.
782 pages.
This is a quality PDF with active ribbon index.
Model and serial number range
PC400-7 50001 and up
PC400LC-7 50001 and up
PC450-7 20001 and up
PC450LC-7 20001 and up
This factory service manual has easy-to-read text sections with top quality diagrams, pictures and illustrations. The step by step instructions show you how to fault find or complete any repair or overhaul, correctly and efficiently, saving time and avoiding cockups. All specifications
and tolerances are listed. Functions of components are also explained.
Komatsu PC400-7,PC450-7,PC400LC-7 shop manual.
This is the factory shop manual.
782 pages.
This is a quality PDF with active ribbon index.
Model and serial number range
PC400-7 50001 and up
PC400LC-7 50001 and up
PC450-7 20001 and up
PC450LC-7 20001 and up
This factory service manual has easy-to-read text sections with top quality diagrams, pictures and illustrations. The step by step instructions show you how to fault find or complete any repair or overhaul, correctly and efficiently, saving time and avoiding cockups. All specifications
and tolerances are listed. Functions of components are also explained.
