possible high pressure oil pump leak or gasket on pump.
Anywhere from 8 pulling a trailer to 15 running empty at 60 mph.
A diesel vehicles does not need to be running. A diesel ignition in a Diesel engine comes from compression and not spark.
Diesel fuel is the most common.
I have a 1994 Ford E350 with a 7.3 liter diesel motor. When I'm driving empty, I can get 14 mpg. When I'm pulling a 5,000 pound trailer, I get 10 mpg.
I had a 1996 F-350 with the 7.3L Powerstroke, and I got 12mpg towing a 7000 pound trailer. That was mixed driving. When I was unhooked (which wasn't very often) I got about 16.5mpg mixed driving.
2litre diesel 605 kg unbraked trailer 1200 kg braked trailer 2.5 litre diesel 625 kg unbraked 1200 kg braked
The kilometer per liter of diesel of an average semi truck and trailer will depend on the habits of the driver, the weight of the load, and the terrain of the road. Most newer trucks can travel about 6 to 7 kilometers per liter of diesel fuel on a flat road with a fully loaded trailer.
we are having back brakes problems
im not sure i understand your question, if you mean do you have to do anything differently than when running petro, the answer is no.
People leave their diesel trucks running because they think it is better. It is a truck with no spark plugs.
100 to 300 is the norm.
It can be anywhere form 75-250