There are two air-ride style pin box replacements for the Lippert 1621HD pin box on your 2018 Dutchmen Voltage Epic Toy Hauler- the Trailair Air Ride # LC158778 and the 5th Airborne # RP78FR which both have a capacity of 21000-lbs.
Both of these pin boxes are designed to help create a smoother ride with less chucking and the elimination of the bouncing and jarring that comes with towing a 5th wheel. They're both extremely similar, but I prefer the Trailair # LC158778 because of the cushioning... view full answer...