grizz272ExplorerDec 14, 2017Realilistic mileage with a fifthwheel.Just curious what kind of fuel mileage I can expect with a fifth-wheel. 1ton 4x4 duramax srw 36 Ft. 13Klbs fifth-wheel. I realize weather, road conditions whether it is flat or hills or mountains ...Show More
phillygExplorer IIDec 14, 2017It depends (lawyer speak), but it depends on your towed weight, grade and wind factor. Ten mph seems to be a good average.