The Matco Tools Heavy Duty Diagnostic Tool, No. MDMAXCRHD, is an Android-based diagnostic solution built for autmotive technicians and the commercial vehicle DIY market. Designed to help technicians handle demanding heavy duty service work, deliver comprehensive full-system diagnostics with the ability to read and clear codes and access live data streams across all major systems. With coverage for more than 50 commercial vehicle models, the MDMAXCRHD gives technicians the broad vehicle support they need in one platform. It also includes eight critical maintenance functions such as DPF, Urea, Oil Reset, and more.