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CAT Adapter 317-7484 3177484 Excavator Electronic Diagnostic tool Diagnostic Adapter EMPSIII EMPS 3

CAT Electric System Diagnostic Tool ET3 317-7485

Regular price $460.00 $350.00 Sale

CAT Electric System Diagnostic Tool ET3 317-7485. 

  • You must make sure it is connected to machines that are 24V and there is no short circuit or high voltage. If the voltage is different, you could damage this ET3
  • This item can be used across all CATERPILLAR branded machines. The most common ones are excavator, bulldozer, graders, backhoes and etc. 
  • The Version is 2018. It does not update like the original, but unlike original, our software is free to use unlike licensed ones.
  • You can use our CAT ET3 together with your licensed CAT software. That would work too
  • If you encounter any problem during installation, contact us. We'll respond asap. You can send us your screenshots and etc so we can guide you through the process or I can install for you with teamviewer.

Installation video for 2018A version:

Availability: In stock
Condition: 100% Brand new
Other names: Diagnostic scanner, EMPS Scanner, Electric System Scanner

Type: Brand New Aftermarket

Shipping: We can ship by courier (Less than 1 week for Asia/USA, Less than 10 days for rest of the world) or we can ship by sea freight for large quantity (Will usually take 1 month or more).

Payment: You can pay with bank transfer/online transfer/Paypal in small quantity. We will send you a proforma invoice. Packing list will be included for large quantity.


There are 4 components. Can be different for different brands:

  • CAT Comm Adapter III
  • CD for installing the drivers
  • USB Cable (From device to your computer)
  • 6 & 9 pin cable (from device to your vehicle)


1.Display "Logged Event Codes" to show engine over speeds, High temperatures, fuel consumption, etc.
2.View ECM’s current configuration and change user settings
3.Perform diagnostic tests and calibrations, and calibrate
4.Electro-mechanical and electro-hydraulic components
5.Context sensitive help leads operator through every task Cat ET can perform
6.Data Logger and Data Log Viewer allows recording of ECM signals for delayed troubleshooting capability.
Functionalities Shows all operating conditions that cause high repair costs such as:
Over speeds, high temperatures, fuel consumption, transmission shift counts. This can provide awareness to change operator
Cat "ET Trainer" is now included in ET Program. It allows Users to train and practice using Cat ET without a Communications adapter or Electronic Control Module (ECM).This is a free feature of Cat ET.
Features (For CAT)
1. ECM Summary screen lists every control module on equipment
2. Being tested and gives information on these modules.
3. Fast hookup and real time display of systems status. Displays ,readings such as rpm, boost, pressures,
temperatures, etc. for Easy troubleshooting.
4. Identifies faulty sensors, harness connectors, and system parameters which are out of specification. Allows customers to detect problems early.
5.To help dealer identify problems without visiting machine.
6. Identifies intermittent sensors and wiring problems during Machine operation and keeps a record of each one. Showswhen problem occurred and how often it happened.
7. Added information to allow customer to assist dealer in diagnosing and repairing problems. (Troubeshooting Help is not built in with in the program, you will still need go back to books in order to follow a repair description and steps in each Fault Code display within the program).English and metric units of measure integrated help file to easy learn the "How To" around the software.