7835-28-3002 Engine Control Unit ECU Controller Computer Board for PC400-7 PC450-7 PC600-7 PC750-7 Excavator

The 7835-28-3002 Engine Control Unit (ECU) Controller Computer Board is a high-quality electronic control module designed for Komatsu PC400-7, PC450-7, PC600-7, and PC750-7 excavators.

This ECU controller is responsible for managing engine and machine electronic communication, processing operating signals, and ensuring stable coordination between excavator control systems. It is an ideal replacement solution for damaged or malfunctioning controller units, helping restore reliable machine performance.

• High-performance electronic control module
• Accurate signal processing and communication
• Ensures stable excavator operation and response

Designed for:

• PC400-7 Excavator
• PC450-7 Excavator
• PC600-7 Excavator
• PC750-7 Excavator

Compatible Part Number:

• 7835-28-3002
• 7835283002

• Heavy-duty aluminum housing design
• Excellent heat dissipation performance
• Suitable for harsh construction environments
• Long service life and stable operation

• Same mounting position and connector design
• Easy installation and replacement
• Ideal for excavator repair and maintenance

Komatsu Excavator Models:

• PC400-7
• PC450-7
• PC600-7
• PC750-7

A faulty ECU controller may cause:

• Engine control communication errors
• Abnormal machine operation
• Slow response or unstable performance
• Controller alarm codes
• Electronic system failure

Replacing the ECU can help restore proper communication between machine control systems.

• Professional excavator electronic parts supplier
• High-quality aftermarket replacement components
• Strict inspection before shipment
• Reliable performance for heavy equipment applications
• Global shipping support

1 * 7835-28-3002 Engine Control Unit ECU Controller Computer Board

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