Choosing the best vehicle diagnostic tool can be a daunting task, given the abundance of options available in the market.
1.Best Quality CAT Caterpillar ET 2023A/2019C Diagnostic Adapter III Cat Communication Adapter 3 (Real Caterpillar ET3 Adapter 3) 
CAT ET Diagnostic Software is a good replacement for the CAT ET 2019C, 2021B Electronic Technician Diagnostic Software. 2023A Caterpillar Electronic Technician software With CAT ET 3 Cat caterpillar adapter 3 support caterpillar diagnostic till 2023.
Caterpillar ET 3 Main Features :
1. Latest Version:2023A/2019C（optional)
2. Supported Operating System: Windows 7 32 bit, Wnidows 7 64 bit, Windows 8/8.1 32 bit, Windows 8/8.1 64 bit, Windows 10 32 bit, Windows 10 64 bit,Window 11 64 bit
3. We will activate it after installing 2022A/2021B/2019C version software.(After the installation , please contact us help you active the software by remote）
4. Supported Language: Chinese(Simplified), Danish, German(Germany), French(France), Portuguese (Portugal), Japanese, Spanish (tradition), Italian(Italy), English(America)
With the CAT Diagnostic Tool, you can:
View active and logged diagnostics
View events where irregularities occurred and were logged by the ECM
View the status of a group of parameters (temperatures, pressures, etc.) simultaneously
Record and log performance data
Graph a group of status parameters
View the current configuration of an ECM
Change ECM configurations
Perform diagnostic tests
Perform calibrations
Print reports and diagnostic results
For some machine and engine products, additional functionality has been included with the service tool program
Caterpillar ET Functions List:
1.View active and logged diagnostics.
2.View events where irregularities occurred and were logged by the ECM.
3.View the status of a group of parameters (temperatures, pressures, etc.) simultaneously.
4.Record and log performance data.
5.Graph a group of status parameters.
6.View the current configuration of an ECM.
7.Change ECM configurations.
8.Perform diagnostic tests.
9.Perform calibrations.
10.Print reports and diagnostic results.
11.Please keep in mind that some ecm settings for example, speed limit requires factory password. The factory password generator is not included in this application
Caterpillar ET 2023A 2019C Electronic Technician Software Free Download：https://www.cnautotool.com/goods-333-CAT+Caterpillar+ET+Diagnostic+Tool.html
Support list of CAT Caterpillar ET Diagnostic Tool :
2.Porsche Piwis 3 Diagnostic Tool Piwis III V42.000.011 + V38.250.000 Software with Lenovo Yoga12 I5 8G 5300U Laptop
Now the Porsche Piwis 3 software have updated to V42.000.011 + V38.250.000, Support the diagnostic and programming for all prorsche Vehicles till 2023, software installed at the lenovo yoga I5 8G Touch screen laptop ready to use, if just the hardware with the SSD Software, pls note: Laptop Specs Requirements: Lenovo laptop（1920*1080 resolution memory 4G I5CPU or above）,and then contact with us to activate two software system ,then you can use.
3.Best Quality Volvo 88890300 Vocom Interface PTT 1.12 or PTT 2.8.150 Truck Diagnose Tool for Volvo,Renault,UD,Mack Truck
Volvo 88890300 Vocom Interface is a diagnostic application that covers the whole repair process through the use of plug-ins. With Volvo 88890300 Vocom Interface you can diagnose, test, calibrate, and program a product (a vehicle, engine, or a machine). Volvo 88890300 Vocom Interface also provides functions for updating the tool, communication with the product, and other external applications. Users can setup plug-ins, user authorizations, and available languages as they want.
4.NEXIQ-2 USB Link + Software Diesel Truck Interface NEXIQ Technologies 124032 USB-Link 2 Connector
The NEXIQ-2 USB Link connects seamlessly to a PC, tablet, or smart phone via Bluetooth and Wi-Fi.
CNH DPA5 diagnostic kit work for CASE New Holland excavator,heavy duty machine truck diagnostic,programming,function test…CNH DPA5 allows programs written for the PC to retrieve pertinent information such as fault codes, component information, as well as perform component level diagnostics, tests, and component reprogramming. The DPA 5 communicates with the PC using either a USB cable or via Bluetooth (Class I or Class II), and comes standard with Technology and Maintenance Council (TMC) Recommended Practice (RP) RP1210C-compliant drivers, as well as Society of Automotive Engineers (SAE) J2534-compliant drivers.