DEF - Usage
Just on my maiden voyage with my 2014 Ram 3500 Diesel pulling 13,500lb 2009 Cardinal 34'. Pulls like a dream very nice to drive however after 1,000 miles I have gone through 1/2 tank of def, 2.5 gals...
Forum Discussion
I think consumption has a lot to do with the trucks gearing also. My previous 2011 F250 6.7 had 3:55 gears and I would use about 4 gallons every 5k miles. my current truck with the same open highway empty driving is drinking about 6 gallons every 5k miles.
