oldkeywest91ExplorerApr 27, 2015DEFOn an average how much DEF are people using per trip(or tank fill up) on late model DP.
algolferExplorerApr 27, 2015I have a 10 gallon DEF tank. I fill it about every 5th tank of diesel. So 10 gallons about every 400 - 500 gallons of fuel.
