Caterpillar ET 2025A Electronic Technician Diagnostic Software [02/2025]

Simple Steps to Purchase and Set Up CAT ET 2025A

• Start Your Order: Click the BUY NOW button to proceed to checkout.
• Receive Your Download Link: After payment, check your email. You will receive a download link within a few minutes.

Potential compatibility issues!

• Laptops with ARM CPUs (e.g., Snapdragon 8cx, Microsoft SQ1) are not supported.
• As of the 2020B release, the CAT ET service tool no longer supports Windows 7. Installation is possible but not guaranteed to be stable.

Supported Hardware

The following communication adapters are supported:

• Caterpillar Comm Adapter 2
• Caterpillar Comm Adapter 3
• Nexiq USB-Link 1/2/3(for On-Highway only)
• RP-1210C Compliant Communication Adapters, such as:
  • Noregon® DLA+ 2.0 Adapter Kit

PC Requirements for CAT ET 2025

Recommended configurations:

• PC with a 2.0 GHz dual-core processor
• 4 GB RAM
• 5 GB of available hard disk space
• 12-inch or larger screen, Windows desktop compatible
• Microsoft Windows™ 8.1 Professional, Windows 10 Professional, or Windows 11 Pro (Note: Windows 8 RT is not supported)
• RS232 port with 16550AF UART or compatible (for use with Comm Adapter II)
• USB v1.1, v2.0, v3.0, or v3.1 port (for use with Comm Adapter 3)
• Ethernet RJ45 connector (or Wi-Fi adapter)
• Built-in pointing device or mouse
• Microsoft Internet Explorer version 11, Microsoft Edge, Firefox, or Chrome browsers are recommended.
• Note: The most recent version of Microsoft Internet Explorer may not be validated to work with the service tool.
• Wi-Fi (for the Wireless Comm Adapter 3)

Software Download Links

• CAT Electronic Technician 2025A v1.0 (578 MB):
  • Download Link
• Comms Adapter 3 V4.7.0.77 driver (71 MB):
  • Download Link