Yes this course covers Duramax, Powerstroke 6.0 & 6.4, as well as Cummins 5.9 & 6.7. There will be IDS, Tech2, DRBIII, StarMobile, WiTech, as well as OEM repair information from GM, Ford, Dode, and AllData. click this link for more information: [...] [... Login to read more.