2012 dodge 3500 dually

machunt wrote:
Looking at a 3500 dually 2012 pros and cons. will be used for towing my 5th wheel 12,000 lbs

Is that 12k gvw or dry. I pull a 12k gvw 5er with a '04,5, 3.73 gears, 5.9L and get 12 mpg towing, 18+ solo of mixed country/city.