Mobil-1 5w40 Turbo Diesel vs Delvac?

Joined
Jan 18, 2009
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1,081
Location
oklahoma
What is the difference if they are made by same company? Is one intended for F-350's and one for Peterbuilt's or what?
 

dnewton3

Staff member
Joined
May 14, 2007
Messages
8,687
Location
Indianapolis, IN
They are not exactly the same. They are reasonably close enough for our day-to-day comparisons, performance wise. The real significant differences are in the marketing. Delvac 1 is seen at OTR truck stops and service joints. TDT is seen at your local auto-parts and WallyWorld places. They are different, but your vehicle (whatever it might be) is likely not going to be able to distinguish the difference.
 
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