DEF tank size
We have a new 2013 Fleetwood Expedition. I thought the DEF tank was suppose to be 5 gallons. It read at the dash and the tank gauge half full. I added 2.5 gallons and it only came up to 3/4 full. ...
Forum Discussion
On my 2013 Tiffin Pheaton with a Freightliner XCS chassis the DEF tank is 13 Gallons.
