Why do so many Americans hate European trucks?

Needs software update for oil pressure protection strategy/warning light due to the lower oil pressure experienced with 10W30. We still run EPA 07, 04, and 98 engines so 10W30 makes no sense for the potential damage vs possible very slight increase in MPG. Software updates are not free to the average operator of truck unless campaign or recall. If we wanted to change software for oil viscosity change, would have to go beyond the PVP website and would be charged additional expense and would require engineering approval.

 

So what oil do you run?

 

Guardol ECT 15W40 CK-4.

 

Guardol ECT 15W40 CK-4.

 

Service after the sale.......

 

Surely you jest..??

 

Don’t know what he’s jabbering about but it’s fake news.....

 

I'm not sure why you're afraid for 'potential damage'. The purpose of oil is of course to prevent that two metal surfaces touch each other, for instance the surface of the crankshaft touching the surface of its bearings. The crankshaft is more or less floating on the oil. You don't need thick oil for that, as long as the surfaces don't touch each other it's fine. In fact with today's small tolerances in manufacturing, thinner oil may give you better lubrication. There's a good reason that oils get thinner. If you get more mpg, that in itself is proof that the engine is very well lubricated, metal-on-metal gives a lot of friction.

 

Not really, he's promoting DAF in Taiwan. DAF is the #1 non-Asian truck seller in Taiwan, and in the +12 tonne segment, they have a market share of 30% of the non-Asian truck sales.

This is their assembly plant on Taiwan:

DAF Trucks 台灣

 

Thanks, I didn't understand how oil and bearings worked...
I will give you a real world example, not some hypothetical theory. A good friend of works for a very large leasing/rental/logistics company(yellow trucks, Roger that straightened out Detroit). They ran 15W40 with 50,000 oil drain intervals for years and the bean counters said it made most sense economically. Switched to 10W30 two years ago. Recently, they determined that 50,000 mile drains were too long for the oil and went to 25,000 mile drain. What money are they saving now?