quote:
Originally posted by surge:
I have considered running this before in my diesel tractor as several folks do over at the TrByNet site...I currently use Mystik (Citgo) 10W30 Diesel. I noticed the bottle did not have the API Starburst designation. Any significance or meaning to this?
Surge,
In a tractor the API starburst can be detrimental to the engine, if present on the oil you choose. The API will meet the requirements of new OTR trucks and light duty trucks. But in tractors a more robust additive package is desired. Higher corrosion package etc. Idling the engine for periods of time.
Additive packages are used up quicker in tractors because of the high-load conditions, usually up to 85% during the use, extreme dust etc. An OTR generally uses 30-35% power to puruse the highway, a tractor 85%+. A more robust package won't pass the API CI. John Deere oil is one oil that fits this category.
This is a generalization, but API approved doesn't always apply to tractors or marine use. Check the owners manual.
Now having said all the above, some API oils are excellent in tractors. For an OTC look at Penzoil, Motorcraft, Delvac, Delo etc. But in the winter in your tractor look at the 10W30. Generally any oil that meets CG/CH will work. Without going to synthetic Schaeffer's 15W40 has a -41 pour point and will work fine in your temps year around in an unheated garage. Go to the analysis section to see analysis on several diesels running this oil, and a couple of autos also. A well rounded oil.
[ December 25, 2002, 06:13 PM: Message edited by: 59 Vetteman ]