The OEM added that the new Ram 2500 4x4 off-road package will be offered ... A rear anti-spin differential, which turns both rear wheels in tandem when increased torque is applied.

We spent time driving a Ram 2500 4x4 with single rear wheels, a 3500 4x4 with the 6.7-liter Cummins, and the Ram Power Wagon, the off-road-going heavy duty. Capacity ratings aside, the new Ram has ...