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I use what I get from my commercial supplier Schaeffer’s. Very cost effective. 1 oz to 7.5 gallons. I get it by the 5 gallon can and go thru a couple cans each winter.

You would be correct. Modern diesels prior to EGR were improving immensely in clean burning. The NOx thing was indeed a issue, but soot levels were dropping on their own considerably. I have owned several HD diesels that were very clean, from a soot standpoint. It was the introduction of EGR...

Check out their site. They have a ton of information there for everything from a car on up thru heavy trucks and equipment. Where it really seems to blow DEF away is in cold weather performance and congested traffic. While all their information is European related, in many instances they are...

Y'all need to broaden your horizons. Check with heavy commercial truck dealership shops, commercial truck tire and lube places, etc for DEF. The Mack Truck dealership near me will fill any DEF tank that rolls in whether it is on a Class 8 truck or a VW Passat from their bulk DEF tote for $1.79 /...

I realize this thread is in the morgue, but I came across it and thought anyone wanting to turn a crew cab into a DOT sleeper should take a look at this...... https://www.woodhouse.com/sleeper_berth they modify the doors with inserts and make the window so it cannot roll down to accomplish...

When I have bought KW, International, and Freightliner, class 8 trucks, whatever engine was in it was NOT covered by the truck OEM but the engine OEM. Same for trans and diffs. And they supersede any ideas the truck OEM thinks about it. And that is the same policy today as it has been for the 4...

Instead of being condescending, maybe pointing to some documentation would help. I already did the search thing, even dug thru Cummins engine website and ended up sending a tech question to them. Now that being said, just because a oil meets a certain spec, does not mean it is recommended in a...

Problem is, that is just a lube approval spec. It does not show if it is applicable to the ISB 6.7. I know that Cummins is recommending 10w30 in their larger applications like the 15L ISX, but I have yet to see any documentation that they are recommending 10w30 for the ISB 6.7. I am not sure...

Unfortunately, those do not reference CES 20086

What is fascinating, is that Cummins is recommending 10w30 in all their heavy diesels. I know of several folks with well over 500,000 miles and using 10w30 exclusively. Moving up to 80,000 lb of truck and cargo across the U.S. and Canada, year round on 10w30 without a issue. I am surprised that...

I am on my 5th change of CK-4. Have run UOA's on each one and one is going to have a tough time convincing me that CK-4 is not up to the task.