Dodge 2011 Ram 1500 - Manual (Page 453)

Fifth-Wheel Hitch
The fifth-wheel hitch is a special high platform with a
coupling that mounts over the rear axle of the tow vehicle
in the truck bed. It connects a vehicle and fifth-wheel
trailer with a coupling king pin.
EXAMPLE — With Weight-Distributing Hitch (Correct) EXAMPLE — Improper Adjustment of Weight-
Distributing Hitch (Incorrect)
452 STARTING AND OPERATING