### Komatsu PC400-7EO and PC450-7EO: Unparalleled Power and Efficiency for Earthmoving Excellence

**Unleash Unmatched Performance**

Prepare yourself for groundbreaking productivity with the Komatsu PC400-7EO and PC450-7EO excavators. These formidable machines boast superior hydraulics, optimized engine power, and advanced electronics, empowering you to tackle the most demanding earthmoving tasks with unmatched efficiency and precision.

**Exceptional Hydraulic System**

The heart of these excavators lies in their exceptional hydraulic system, meticulously engineered for maximum power and efficiency. The advanced closed-center load-sensing hydraulics deliver precise control and responsiveness, allowing you to execute complex maneuvers effortlessly. The variable displacement pumps dynamically adjust flow and pressure, optimizing performance for every task, from delicate grading to heavy-duty excavation.

**Unrivaled Engine Power**

Powering these excavators are the Komatsu SAA6D125E-6 and SAA6D140E-6 engines, respectively. These turbocharged and intercooled engines generate impressive power output, delivering exceptional torque and acceleration for demanding applications. Moreover, the electronically controlled fuel injection ensures optimal combustion, maximizing fuel efficiency while minimizing emissions.

**Advanced Electronics**

Komatsu's groundbreaking advanced electronics revolutionize the operator experience. The intelligent machine control system seamlessly integrates with the hydraulics and engine, providing real-time feedback and optimizing performance. An intuitive color monitor displays critical operating parameters, job data, and maintenance alerts, keeping you fully informed.

**Unparalleled Comfort and Control**

Step into the spacious and ergonomically designed cab, where comfort and control reign supreme. The advanced suspension system effectively isolates the operator from vibrations, ensuring a smooth and fatigue-free ride. Fingertip controls intuitively manage all machine functions, while a high-resolution display provides easy access to critical information.

**Durably Engineered for Demanding Environments**

Built to withstand the rigors of the most demanding worksites, the Komatsu PC400-7EO and PC450-7EO excavators feature a robust undercarriage and heavy-duty components. The strengthened boom, arm, and bucket are designed for durability and longevity, ensuring unwavering performance even in the toughest conditions.

**Choose Excellence, Choose Komatsu**

When your project demands unparalleled power, efficiency, and productivity, Komatsu's PC400-7EO and PC450-7EO excavators stand above the rest. These earthmoving behemoths empower you to conquer challenges, maximize profitability, and redefine the possibilities of earthmoving.

Komatsu PC400-7EO shop service manual.
Pages 881
File type PDF.
This factory shop manual has an active ribbon index.
Model and serial number range.
PC400-7E0 shop service manual.
PC400 -7E0
PC400LC-7E0
PC450 -7E0
PC450LC-7E0
SERIAL NUMBERS
PC400- 60001 and up
PC400LC-60001 and up
PC450- 30001 and up
PC450LC-30001 and up

Index and foreword
Specification
Structure, Function and maintenance standard
Standard value table
Testing and adjusting
Troubleshooting
Disassembly and assembly
Diagrams and drawings