Originally Posted by ChrisJHC
Depending on your familiarity with Diesel
engines, it might be worth doing a short (1-day?) course.
I've owned and maintained a diesel
truck (Cummins) and a diesel tractor (Yanmar) for the last 20 years, and helped friends with theirs. But to be honest, there hasn't been much diesel specific mechanicing necessary. I've replaced injector pumps, lift
pumps, injectors, etc. Not that I claim to be a diesel mechanic