If you want to safely tow a trailer that weighs nearly 19,000 lbs forget the F250. Donít even think about an F350. The absolute minimum would be an F450. If you want some advice from someone that tows a trailer at the weight you are contemplating then get a real MDT or HDT. (Freightliner, International, Peterbuilt, Kenworth, etc.
2005 Freightliner M2 106 class 7 HDT
2004 Teton Sunrise Grand,Jeep Wrangler toad