Quote: I think not... If your gonna use a Rotella dino oil (white jug T1?) 100K without a change in a heavy duty diesel engine, your gonna have a piece of junk after that 100K.... You may like that Rotty oil, but it aint that good...
Single sump contests ... Truckers I agree it's pushing a dino based oil way more than I'd care to do (I'd use Rot Syn) but you have to understand a few truckerish things that make it possible.
First, big 18 wheelers get a
lot of miles put on them in a month. 100,000 miles isn't a lot of months for an open road truck driven continuously by a two man team.
rough truck math 100,000 miles / 65 mph = 1,539 road hours = 65 double teamed road days
Second, oil and air filtration on a big rig involves both primary and secondary filtration systems that remove junk down to the sub-micron level. Big rigs also commonly use secondary bypass oil filtration systems that continuously microfine filter the entire sump over a period of hours. And to a trucker, the oil itself is considered good until shear numbers or silica build up numbers or antifreeze contaminants say you have to change it out.
Third, most big truck stops can do a short form oil analysis on your sump load of oil while you are showering and eating. Truckers don't fly blind on the oil in their bread and butter machine. At 15 gallons per oil change, they change it when it needs it (by analysis).
Truckers also don't risk a $10,000 engine (rebuilt cost) unnecessarily.
Lastly, when truckers do oil mileage pissing contests, the numbers are much much higher and they tend to play those games with the premium synthetics.