538 - 5051
  • 538 - 5051538 - 5051
  • 538 - 5051538 - 5051
  • 538 - 5051538 - 5051
  • 538 - 5051538 - 5051

538 - 5051

Guangzhou Jianleshun Machinery Co., Ltd. is a professional parts supply company integrating development, sales and agency services. The company's main products are 538 - 5051 ET3 Excavator Diagnostic Tool for CAT 320D, high-quality products are recognized by foreign customers, and its products are sold all over the country, and exported to the Middle East, Southeast Asia, Africa and South America, etc., in the process of continuous development and growth In the process, the company has established a solid and mutually beneficial relationship with our customers. Users are our most sincere friends, and customer satisfaction is our eternal goal.

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Product Description

538 - 5051ET3 Excavator Diagnostic Tool for CAT 320D

Product Introduction

538 - 5051ET3 Excavator Diagnostic Tool for CAT 320DCaterpillar Heavy Duty Vehicles and Caterpillar Engines. It is the latest generation cat communication adapter set, replacing the cat Comm Adapter II and the old 466-6258 and 317-7487 tool numbers.

An optional DVD pack of WInFlash for CAT Flash Files 2021/04 is available.

This is the only data transfer tool that allows you to properly interact with the cat engine on both data channels. This is required for some cat ET (Electronic Technician) functions.


Product Parameter(specification)


Excavator Diagnostic Tool

Part Number

 466-6258 317-484 538-5051

Model No.


Update Method

By Email


100% tested

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Product Feature and Application

538 - 5051ET3 Excavator Diagnostic Tool for CAT 320DThe only difference with the new kit is that the adapter (box) will not pull the voltage to power itself from the computer's USB Port.

The computer will recognize it as a connected device but Cat ET will not read the device unless it is plugged into a powered ECM Technician) functions.


Product Details

1.CAT Comm Adapter III (part # 317-7485)

2.CD with the drivers

3.USB Cable (From device to your computer)

4.J1939/J1708 Cable (from device to your truck)

5.Caterpillar ET 2021A

6.Hard Shell Case with foam inserts

7.538 - 5051ET3 Excavator Diagnostic Tool for CAT 320D




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