X-431 Heavy-Duty Including all the advantages of its predecessor, X-431 Heavy Duty is designed to cover heavy duty diesel vehicle models of 12V & 24V voltage. It features ergonomic design, compact structure, convenient use and strong expandability. Feature Compact and ergonomic design Professional & durable tool Covering heavy duty diesel vehicle models of 12v & 24v voltage No need for battery conversion when testing 24v trucks Support all the current x-431 software Covering a wide array of vehicle models Fast upgrading via the internet to keep up with the latest vehicle models International design to adapt to all diagnostic sockets Including all the electronic control systems Unique data transfer to ensure fast operation Strong waveform display function Integrated connector to offer great performance Connection with PC to keep service records through optional X431 PCCENTER Multi-language choice Handwriting input on large touch screen Large compact flash memory for data storage. 12kg.