i do not see why u could not tow it 4 wheels down ,, but one thing ,, does it have neutral on the transfer case shifter ??? that is a BIGGY ,, if not then u might contact Dodge on it ,, BTW ,, what are u gonna pull it with ??? that is another thing to ask ,, but JMO
It would be helpful to know what you are towing! I have towed in 4x4 for short periods like when leaving a wet, grassy camp site or on icy patches of roadway but for the most there has been no need in our travels. The 2500 lbs of pin weight on the truck bed helps the rear tires track well.