Older diesels were made to be run continuously because they could be hard to start. More current diesels, about the time they got glow plugs, that are easier to start, not so much.
An engine can still have good oil pressure even if low on oil. Normally it will be fine but if you hit a hill, up or down, and the oil in the pan runs toward the end of the engine away from the pump/sump all of a sudden you have a problem. How bad a problem depends on how long you are on the incline. We had an MTU 12V4000 from one of the coal companies at work that spun two main bearings. The coal company hollering warranty. When the ECM got read it had something like 40+ incidents of low oil pressure in three days. The effect is accumulative. A little wear this time, a little the time before and a little the next time, it adds up. Warranty was denied
Those who are always shooting off at the mouth usually aren't shooting straight.
Build a man a fire and he’ll be warm for a day. Set a man on fire and he’ll be warm for the rest of his life.
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