Fifth Wheel Setup Is Too Tall With TrailAir Flex Air Pin Box and B&W Hitch
Question:
I have a new 2020 Silverado 3500 long bed. I installed a BandW hitch in the bed. I have a TrailAir pin on my Cedar Creek. The bad news is I am now at 13ft 71/2in tall. I need to the camper down 11/2 inches to be legal. I noticed that if I release air from the bladder the camper s. If I installed a MORride pin box would that the camper down
asked by: Jimmy C
Expert Reply:
The B and W Fifth Wheel hitches for your 2020 Chevy Silverado 3500 with OEM prep package like part # BWRVK3710 for the 20K or part # BWRVK3715 for the 25K are height adjustable so if you can lower the hitch and still be level, I recommend to try that first. You also want 6" of clearance between the trailer loft and the top of the bed rails.
Around 11-1/2" is the recommended height in most states because of bridges but if you are conscious about how tall the trailer is, it is up to you if you would like to tow at that height. The Flex Air TrailAir pin boxes are also adjustable which is what I believe you have. I have attached a snip from the installation instructions of how to adjust the pin box height of your reference.
I do not recommend to change the PSI in the existing pin boxes bag to lower the trailer because you do not want to the PSI of the bag to be lower than 80 PSI to start. With the tow vehicle at rest, inflate the air bag with enough air to raise the pin box to the ride height mark on the front of the shock absorber.
Since I am not sure of the height of the Moryde box I cannot say if it will bring the trailer down, however the FlexAir TrailAir pin boxes typically measure 13-1/2" in height. If you have already done the things I have mentioned please let me know and I can troubleshoot further.
Products Referenced in This Question
B&W Companion OEM 5th Wheel Hitch for Chevy/GMC Towing Prep Package - Dual Jaw - 20,000 lbs
- Fifth Wheel Hitch
- Fixed Fifth Wheel
- OEM - GM
- 5000 lbs Vertical Load
- 20000 lbs GTW
- Double Pivot
- Standard - Double Jaw
- 16-3/4 - 18-3/4 Inch Tall
- B and W
more information >
B&W Companion OEM 5th Wheel Hitch for Chevy/GMC Towing Prep Package - Dual Jaw - 25,000 lbs
- Fifth Wheel Hitch
- Fixed Fifth Wheel
- OEM - GM
- 6250 lbs Vertical Load
- 25000 lbs GTW
- Double Pivot
- Standard - Double Jaw
- 16-3/4 - 18-3/4 Inch Tall
- B and W
more information >
Product Page this Question was Asked From
Lippert 1621SHD 5th Wheel Pin Box - 21,000 lbs
- Fifth Wheel King Pin
- Standard Replacement
- 21000 lbs GTW
- Fixed Turret
- Lippert 1621SHD
- Lippert
more information >
Featured Help Information
Instructions
Miscellaneous Media
Continue Researching
- Shop: Americana Metal, Bolt-In Valve Stem - 1-1/4" Long
- Q&A: Torque Recommendation for Pin Box Bolts
- Shop: etrailer 5th Wheel King Pin Lock - Keyed Alike
- Q&A: What is the Overall Height of an ST235/85R16 Trailer Tire Load Range E and F
- Q&A: How to Tighten the Americana Valve Stem
- Shop: Westlake 215/75R17.5 Radial Tire w 17-1/2" Lynx Aluminum Wheel - 8 on 6-1/2 - LR J - Black
- Shop: Aluminum Modular Trailer Wheel - 16" x 7" Rim - 8 on 6-1/2 - Silver
- Q&A: What Is the PSI Rating Of the HWT Aluminum Hi-Spec Series LW Trailer Wheels
- Q&A: Aluminum Wheel Air Pressure Capacity When Using Higher Rated Tires
- Q&A: Metal Valve Stem Recommendation for Trailer Wheel to Handle Higher PSI
- Q&A: Can 16 inch Trailer Wheel Handle over 100 PSI Rated Tires
- Shop: B&W Companion Flatbed Gooseneck-to-5th-Wheel Trailer Hitch Adapter - Dual Jaw - 25,000 lbs
- Shop: Gooseneck Hitch
- Shop: Timbren Axle-Less Trailer Suspension w/ Idler Hubs - Standard Duty - No Drop - 5 on 4-1/2 - 2K
- Shop: Lippert 1621SHD 5th Wheel Pin Box - 21,000 lbs
- Video: Ultra-Fab 5th Wheel King Pin Lock Review
- Video: Ultra-Fab Products King Pin Locks - - UF48-979008 Review
- Shop: BOLT brand vehicle and hitch locks
- Video: Curt A20 5th Wheel Trailer Hitch with R20 Slider Review
- Video: Review of Lippert Fifth Wheel King Pin - Standard Replacement - LC1191191
- Video: Curt Flex Air 5th Wheel Pin Box Installation - 2007 Starcraft Homestead Lite Fifth Wheel
- Search Results: rota flex
- Search Results: king pin box
- Shop: Fifth Wheel Hitch
- Article: The Best 5th Wheel Hitches
- Article: Fifth Wheel Trailer Hitch Information and Installation Tips
- Article: 4 Steps to Choosing Your 5th Wheel Pin Box
- Search Results: screen door cover
- Video: Lippert RV Entry Door Screen Defender Screen Protector Manufacturer Review
- Video: Review of Lippert Components RV Doors - Screen Door Pet Protector - LC92FR