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
I have the same engine & it should run from 180 to 190 average outside temp & terrain -- Your thermostat would be the first thing to check -- Could be hanging -- It`s a easy fix if you have a side radiator coach -- The dash gauge & monitor gets readings from different sources -- William Willard
