What is the Correct psi for 235/80-16 Trailer Tires?
Question:
I just got a new set of tires for my toy hauler. 235/80/16. Max load is 3050 at 80psi. i have a triple axle trailer, so if i do the math right, at max psi, trailer load to support would be around 18,000 pounds? My trailer is only about 12,500 pounds fully loaded. I set tire pressure at 75 on our first trip, and noticed way, way, way more sway then ever before. My local RV store said the tire pressure may bee too high and the tires are riding high and narrow? How do i calculate what psi i should be running?
asked by: Mike
Expert Reply:
You are always going to want to inflate your trailer tires to the max psi for the best performance. Your 235/80-16 tires should be inflated to 80 psi, even though your tires are going to have a much higher overall capacity than what your actual load is. Trailer tires are going to perform the best at all times when inflated to their max psi as listed on the tire.
Additionally, with a trailer as heavy as what you are hauling I strongly recommend using a weight distribution system which will either greatly control or prevent sway altogether. I've added a link to some help articles on trailer tires and weight distribution systems and if you are interested let me know and I'll be happy to make a recommendation for you. To get the right system you would only need to know your total tongue weight (TTW), which is the tongue weight of your fully loaded and ready to go trailer plus the weight of any cargo behind the rear axle of your tow vehicle.
Product Page this Question was Asked From
Provider ST235/80R16 Radial Trailer Tire - Load Range E
- Trailer Tires and Wheels
- Tire Only
- Radial Tire
- Load Range E
- 235/80-16
- 16 Inch
- M - 81 mph
- Taskmaster
more information >
Featured Help Information
Miscellaneous Media
Continue Researching
- Q&A: What Air Pressure Should I Run in My Trailer Tires?
- Q&A: Recommended PSI Level For ST235/80r16 Carlisle Trailer Tires
- Article: 5 Things to Know About Weight Distribution Hitches
- Shop: RV Camera
- Shop: Furrion Vision S Wireless RV Backup Camera System w/ Night Vision - Rear Mount - 7" Screen
- Shop: Ark Xtreme Off-Road Swivel Trailer Jack w/ 2 Wheels - Sidewind - 10" Lift - Zinc - 1,650 lbs
- Shop: Rear View Safety Backup Camera System
- Q&A: Grass Catcher Compatibility with Toro Mx4260 Zero Turn Mower
- Video: Ark Removable Extreme Off-Road Swing-Up Trailer Jack Review
- Video: Review of Ark Trailer Jack - Extreme Off-Road Trailer Jack - ARK57FR
- Video: Furrion Vision S Wireless RV Backup Camera Installation - 2019 Keystone Cougar Fifth Wheel
- Search Results: wdh
- Shop: 4" Offset Ball for B&W Turnoverball Gooseneck Trailer Hitches
- Search Results: b&w extender
- Search Results: grease
- Search Results: b&w
- Shop: Replacement Quick Connect Valve for D&W Inc. Spray-Away RV Exterior Hose System - Qty 1
- Shop: Trailer Hitch
- Article: Trailer Wiring Diagrams
- Shop: Grease Seals 10-36 (pair)
- Search Results: 44649
- Q&A: Hanger Spacing for 3500 LB. Tandem Axle Trailer
- Shop: etrailer Electric Trailer Brakes - 12" - Left/Right Hand Assemblies - 5,200 lbs to 7,000 lbs
- Video: Choosing the Right Trailer Wiring
- Search Results: 25580
- Article: Brake Controller 7- and 4-Way Installation Kit (ETBC7)
- Shop: Trailer Wiring
- Q&A: Seal With Dimensions to Replace 171255UC
- Video: etrailer Campers and Utility Trailers Tongue Weight Scale Review
- Search Results: 68149
on Trailer Tires and Wheels
