Any diesel engine should use any 15-40 weighted oil. Reason being is that because it is the heaviest and thickest engine oil and takes longer to break down due to incresed oil pressure experienced by a diesel engine.
Diesel convertible
The best diesel engine technology among these is CRDI.
I think that the best diesel engine is the Cummin's turbo diesel engine because it has the most powerful and don't think its not because it has six cylinders it has the best acceleration and people use them in all sorts of big rigs and ram 2500s and 3500s.
2006 was the last year of the best Diesel ever made 5.9 cummins engine 2003 was the last 5.9L V8
7.3 Diesel
2003 was the last year for the 7.3 Diesel. Best diesel engine ford ever put out.
6.2L idi (indirect injection) not the best diesel trucks..
the best oil for a diesel is rotella t 15w 40.
Around 750000 miles duramax is the best diesel and will last.
The top makes for Diesel trucks are Ford, Dodge, and Chevrolet. The best selling Diesel seems to be the Ford F Series. The Duramax engine seems to get very good reviews. The Dodge seems to have more problems with it's engine.
Amsoil 15-40 The exact weight the manufacture of your diesel engine recommends. Any major brand of diesel oil will be fine.
The diesel battery is bigger as it take a lot more to get a diesel engine going. Best bet is to charge the diesel battery using the petrol, connect the 2 and leave the petrol engine running.