Ultra-Fab Products Fifth Wheel King Pin - UF35-946208
Experience smooth, stable towing with your fifth-wheel trailer by replacing your ordinary pin box with an air-ride-equipped model. The scissoring action of the coupler allows the interior air bag to absorb road shock so that you won't feel it.
Features:
- Air ride pin box replaces standard pin box on your 5th-wheel trailer to enhance performance
- Cushions and absorbs road shock
- Improves handling and overall ride
- Limits strain on truck and trailer frames
- Scissor action allows pin box to compress, compensating for jarring and bounce
- Internal air bag absorbs the road shock
- Built-in spring ensures that pin box rebounds - keeps air bag from breaking down
- Direct replacement for OEM pin box
- King pin connects to any 5th-wheel trailer hitch
- Sturdy steel construction
Specs:
- Designed to replace the following pin boxes:
- Weight capacity: 21,000 lbs
- Overall travel: 3"
- 1-Year warranty
Note: Not for use with any type of gooseneck adapter.
Eliminate the bounce from your ride with the Trailair air ride coupler. The unique scissoring action of the pin box ensures that road shock is absorbed, preventing the harsh, rigid ride that you typically encounter while towing your fifth-wheel trailer. Not only does this improve your overall towing experience, but it also helps maintain a sound, well-functioning system. Less bounce and jarring means less stress on your truck, trailer and hitch.
How the Trailair Air Ride Works
When you encounter uneven terrain on your trip or hit a pothole on the highway, the Trailair pin box compresses, transferring the road shock to its internal air bag. A built-in air spring ensures that this compression occurs in a controlled fashion so that the air bag doesn't burst. It also causes the pin box to appropriately rebound, positioning it so that it's ready for the next bump in the road.
35-946208 UltraFab Trail Air Kingpin Box - L08
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Ask the Experts about this Ultra-Fab Products Fifth Wheel King Pin
Do you have a question about this Fifth Wheel King Pin?
- Comparing Trail Air and 5th Airborne Replacement Pin Boxes for a Fabex 663 Pin Box
- First, Trailair is the manufacturer. We get them from Ultra-Fab, a distributor. They are the same parts. Both the 5th Airborne and the Trailair king pins have an airbag and shock. The main difference is the position of these components in the unit.
The Trailair units have the shock and airbag more at the front which seems to provide better cushioning against road shock, vertical and horizontal shock and chucking. Either unit will provide an increase in ride quality and reduce the stress on th
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- Ultra-Fab Trailair Tri-Glide Air Ride King Pin for Fuzion Toy Hauler to Replace Lippert 1116 Pin Box
- There is indeed a Ultra-Fab Trailair Tri-Glide model that is a replacement for your Lippert 1116 OEM pin box.
The part # is UF35-946232, which you can see by clicking the provided link.
The # UF35-946232 Tri-Glide has a whopping 25,000 lb weight capacity. Its integral air bag and shock absorber along with the Tri-Glide rollers will greatly reduce chucking (fore and aft movement) and bouncing (up and down movement), and will make towing your fifth wheel a much more enjoyable experience.
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