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Cummins isx 2350 - Printable Version

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Cummins isx 2350 - DSTdriver - 02-05-2019

Just checking to see if using the 12% gear oil in the isx 2350 with full mandate
California truck is beneficial to eng & not harmful to DPF filter & DEF system

Thoughts please
Great sight so happy to have found this page


RE: Cummins isx 2350 - imalumberjack - 02-05-2019

I have heard its a NEGATIVE! do not use with after treatment intact.


RE: Cummins isx 2350 - Rawze - 02-05-2019

(02-05-2019 )DSTdriver Wrote:  Just checking to see if using the 12% gear oil in the isx 2350 with full mandate
California truck is beneficial to eng & not harmful to DPF filter & DEF system

Thoughts please
Great sight so happy to have found this page

depends on how much sulphides the gear oil your using has + the amount of blo-by. Sulphides, when they hit the DOC will turn into sulpher-dioxide--- the components that make acid rain. then again, it is also only a 11% of gear lube to oil. Divide the amount of sulphides to the 15 gallons of diluted mix, I would think someone would have to have a lot of blo-by (enough that the DPF system would not function properly any ways) before someone would really have to worry about it,.. but that is just a lot of speculation. The actual answer could only come from someone testing the exhaust and system out regularly to get some real numbers.

In any case, i would think that a good GL-4 that does not have a lot of sulphides in it , and an engine that does not use a gallon of oil every 3000 miles, it would likely not cause any ill effect that could be measured,.. -- again just speculation.


RE: Cummins isx 2350 - DSTdriver - 02-07-2019

Thanks for the info
Been using Waldo mart 80/90 GL-5 for about 100,000 or so
Eng has 270,000 Has bypass filter since about 80,000
Got truck used at 43,900.00
Getting ready for egr tune / cleaning & top end check & adjust

Just trying to keep everything in order
Thanks for help


RE: Cummins isx 2350 - Autobotstransport - 02-08-2019

Whats a good oil to use for the isx400 9 gallons of mobile1 and 1 lucas?


RE: Cummins isx 2350 - DSTdriver - 02-09-2019

(02-08-2019 )Autobotstransport Wrote:  Whats a good oil to use for the isx400 9 gallons of mobile1 and 1 lucas?

Seems like shell rotella or delo 400 is what I've seen most of
Lucas isn't a good additive
There's much better info on this site
Keep reading


RE: Cummins isx 2350 - redbeard - 02-09-2019

Sams club has Rotella on sale this add period for $60.88 for six 1gal containers.
The Mobil did not do so well in a recent test


RE: Cummins isx 2350 - flatbed94kid - 02-09-2019

I been using 15w 40 mobile delvac engine oil in my 2250 isx.


RE: Cummins isx 2350 - lonestar16 - 02-11-2019

have check engine code 3567 aftertreatment diesel exhaust fluid doing valve -current below or open circuit is that right behind the turbo and what code it be..