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CI-4 and CJ-4 oils, searched and no answer to this question...
Looking at getting an 04-07 5.9. I understand that the DPF trucks need the CJ-4 oil and the 5.9 is better with the CI-4 and CI-4+.
All of the oils I find have the same ratings, CI-4, CI-4+, CJ-4.
Valvoline Blue is a good example, (reg blue and syn same)
This product meets API CJ-4, API CI-4 Plus, API CI-4,
API CH-4,CG-4, CF-4, CF / SM, the performance requirements of ACEA E3-96, E5-02, E7-04 and the engine requirements of DB 228.3 ,MTU Type 2/Type 1, DDC 2000/4000 Series Type2/Type 1, MAN 3275, MAN 271.
So if a oil is CJ-4 rated and CI-4, is it good to use in the 5.9?
Since I have been unable to find any CI-4, CI-4+ only oils without the CJ-4 rating, what future is in store for the 5.9 oils?
Kevin - 2006 2500 Mega Cab Laramie 4x4 48RE. Kore HP, Banks Monster Cat Back, GDP 2 Micron FF, GDP intake and GD, Nitto Trail Grapplers 295/70/17, Smarty Jr, 30% Honed Injectors, DPP Cool Hose.
if the cj-4 oil is what you can find, use it. It meets the 6.7 standards for oil and exceeds the 5.9 standard. the difference, i believe, is just the low ash additives for the new emmisions on the new diesels.
REALISTICALLY, the CJ-4 oils that you buy NOWADAYS will provide all the protection you need.
Back when CJ-4 oils were introduced, the additive package anti-wear ingredients were changed from one pair of metals to a different pair of metals. The oil companies weren't quite sure, despite testing, how the switch would work out. They've now done their homework, and increased the amount or structure of the additive package. Bearings still come out unscathed, cylinder bores still come out unscored, even in OTR trucks that have hundreds of thousands of miles and lots of idle time, between overhauls.
If you really want, you can find oils with older API ratings at your local agriculture equipment dealers.
If you feel the need for a CL-4+ rated lubricant, there are options available in addition to those previously mentioned. John Deere Plus 50 15/40 is still available at JD dealers,however; JD claims that they have enough available for a few more months. At that time it will be phased out completely for the Plus 50 II CJ-4 rated oil also available. Caterpillar also carries Cat DEO 15/40 which is also API CL-4+ rated. This oil is currently manufactured by Exxon/Mobil for the N.A. region.
In addition, Amsoil also carries a synthetic 15W-40 Heavy-Duty Diesel and Marine Motor Oil with the CL-4+ rating.
Castrol Tection Plus and Tractor Supply's "travellers all fleet diesel" are CI-4 rated oils still available mass marketed, if it matters.
We all better get used to using CJ 4 oils because CI 4 is history. Manufacters and retail outlets are just exhausting present stocks of CI 4 and then it will be CJ 4 only. With the exception of " Amsoil Diesel Marine 15/40" which is $30 bucks a gal. If anybody is dead set on CI 4 and finds some buy it all because it is history.
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