X-431 Heavy Duty 
Including all the advantages of its predecessor , X-431 Heavy Duty is designed to cover heavy duty diesel and gas-fueled vehicle models of 12V & 24V voltage. It features ergonomic design , compact structure, convenient use and strong expandability. 

Product character
1. Compact and ergonomic design
2. Professional and durable tool
3. Covering heavy duty diesel and gas-fueled vehicle models of 12V and 24V voltage
4. No need for battery conversion when testing 24V trucks
5. Fast upgrading via the Internet to keep up with the latest vehicle models
6. International design to adapt to all diagnostic sockets
7. Including all the electronic control systems
8. Unique data transfer to ensure fast operation
9. Strong waveform display function
10. Integrated connector to offer great performance
11. Connection with PC to keep service records through optional X431 PCCENTER
12. Multi-language choice
13. Handwriting input on large touch screen
14. Large compact flash memory for data storage