Engine Operating Temperature
I have a Monaco 40 ft diesel pusher with a Cummins ISL 400hp Turbo Diesel Engine. The temp guage range is 100 to 250 degrees. At 55 to 65 road speed on relatively flat terrain (South Alabama/North Flo...
Forum Discussion
165-185 is normal, upper end when climbing grades, at least this is my experience. You have a problem with the gauge circuit or an actual problem with overheating.
