paul connor Posted October 14, 2023 Share Posted October 14, 2023 As it has come to the inevitable time to change the oil on the Wolf90 I consulted the AESP and it seems OX90 is the oil of preference. This code is new to me and I am unsure what exactly the civilian spec of the oil grade would be. The internet doesn't seem to know? Quote Link to comment Share on other sites More sharing options...
ltwtbarmy Posted October 14, 2023 Share Posted October 14, 2023 SAE 10/30 synthetic. It’s mentioned in this link- Quote Link to comment Share on other sites More sharing options...
ltwtbarmy Posted October 14, 2023 Share Posted October 14, 2023 (edited) Hmm, I see why you posted. Although the link above says 10/30, look at this list, which states 10/40 https://www.nyelubricants.com/stuff/contentmgr/files/0/deef19b1819fc13778a3abec62585c42/en/nye_lubricants__military_brochure___05092023.pdf As does this- https://www.nsndepot.com/NSN/9150-99-361-7232 Edited October 14, 2023 by ltwtbarmy Quote Link to comment Share on other sites More sharing options...
paul connor Posted October 14, 2023 Author Share Posted October 14, 2023 Thanks for the help. Yes, it is somewhat confusion. I think I will take the NYE Lube chart as the more accurate of the two. At least with SAE 10W-40 I have some in the workshop! It also corresponds to the civilian recommendation for the 300TDI Quote Link to comment Share on other sites More sharing options...
fv1609 Posted October 14, 2023 Share Posted October 14, 2023 Paul OX-90 ? Surely you mean OMD-90? Quote Link to comment Share on other sites More sharing options...
radiomike7 Posted October 14, 2023 Share Posted October 14, 2023 5 hours ago, fv1609 said: Paul OX-90 ? Surely you mean OMD-90? I understood OX** was synthetic? Quote Link to comment Share on other sites More sharing options...
fv1609 Posted October 14, 2023 Share Posted October 14, 2023 Quote Link to comment Share on other sites More sharing options...
fv1609 Posted October 14, 2023 Share Posted October 14, 2023 Quote Link to comment Share on other sites More sharing options...
paul connor Posted October 15, 2023 Author Share Posted October 15, 2023 That is what was confusing me Clive. AESP 2320-D-128-601 Maintenance Schedule states OX90. I bought some SAE 10W-40 diesel oil from Mannol which I assume will do the same job. It does not meet the E7/E6 ACEA but not many seem to unless you get really expensive. I cannot imagine the 300TDI even with EGR requires specialist oils. Thanks Paul Quote Link to comment Share on other sites More sharing options...
fv1609 Posted October 15, 2023 Share Posted October 15, 2023 Paul that's interesting I wonder what edition of 601 you have? The spec seems to have gone though a lot of changes I only have: 2nd ed June 1997 OMD-80 3rd ed May 1999 OMD-80X 6th ed May 2010 OMD-90 Looking at the latest Def Stan 01-005 Issue 20 March 2023: OMD-90 10W-30 OX-90 10W-40 Quote Link to comment Share on other sites More sharing options...
paul connor Posted October 15, 2023 Author Share Posted October 15, 2023 This appears to be the 7th Edition from May 2017. It is interesting the changes - at least now I know which oil to use, as for a while I was questioning my purchase! Quote Link to comment Share on other sites More sharing options...
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