...just stepped up from a 25 foot tt behind a tundra to a 39 foot fiver behind a 3500 duramax. .. ....a little freaked out about negotiating diesel pumps. ..familiar with flying j rv islands. ..bu...
I use both,whichever pump is easiest to get to and available.I prefer to swipe my card at an auto lane rather than go in the building and leave a credit card with the attendant which is required at some truck pumps I've fueled at in the past.
Another thing I look for is a clean fuel island/lane which doesn't have diesel fuel slopped all over the place... seen this all too often.Nothing smells better (worse) than diesel fuel on the bottom of ones shoes tracked into truck.