RV Tire Safety: Should ST tires be outlawed?

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with RV tire expert Roger Marble

A post on an RV forum caught my eye:
“In 2014, when I bought my RV trailer, I immediately went to Discount Tire for 6 Michelin XPS Rib truck tires. I don’t baby them, I barely pay any attention to them, they’ve never been at 80 psi, and they have been wearing fine for 5 years. Been all over the U.S. with no issues. Yet I see new trailers coming into the dealership where I work with blown tires just coming from Indiana. Chinese bombs need to be outlawed.”


My response:
It’s unlikely they will be outlawed given the price sensitivity in the RV market. Unfortunately, many folks buy when the quoted price is just a monthly amount that is so low they will always be “underwater” on their purchase. The RV industry seems to only focus on making the sale. As long as it feels it can only make the sale by offering the lowest possible price, the industry will fight tooth and nail to not have to spend an extra $100 on a set of tires that can provide better durability.

In 2000, after the Ford Explorer recall, both passenger and LT-type tires were forced to meet newer, tougher quality and durability standards as required by the “TREAD Act.” But I believe that because of pressure from the RV industry, ST-type tire requirements were excluded from the new requirements as complying would have increased the cost to the RV company a few bucks and they simply didn’t feel they could stay in business if they had to increase their prices.

So, we are stuck with tires built to 1970 quality and durability levels.

IMO, until or unless the RV community in large numbers demands an improvement in the tire quality with an update and upgrade in the performance standards required by DOT, there will only be improvements on a small number of models that offer ST tires with more Reserve Load or offer actual LT tires. How many RV owners have made the minimal effort of filing a complaint on a tire failure to NHTSA? Or written a letter to the  Administrator of NHTSA? Here’s the address: U.S. Department of Transportation, 1200 New Jersey Avenue SE,  Washington, DC 20590.

When was the last time you heard someone not ask about buying tires at the lowest price? Or walking away from a sale if the dealer didn’t provide better tires as original equipment? Or the dealer didn’t offer a multi-year warranty on tires that came on the RV?

A review of some comments on this forum shows the truth in what I am saying. The new Goodyear Endurance seems to be providing a significant improvement in tire durability for ST-type tires, but we see several people stating they are not willing to pay the price.

If you are only willing to pay Harbor Freight prices for your tools, why would you expect SK, Milwaukee, Proto or MATCO quality?

From day one, ST-type tires were introduced as a low-cost option to higher-cost Light Truck-type tires when comparing pounds load capacity per dollar cost. We also had the 55 mph national speed limit, so offering tires with a 65 mph max wasn’t a deal breaker.

RV Tire Safety: Should ST tires be outlawed?

 

Read more from Roger Marble on his blog at RVtiresafety.net.

 ##RVT921

 

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Gary

If LT stands for light truck, what does ST stand for? (besides sh***y tire)

Lee

Well, as you (and others) keep pointing out, tires that are underinflated, overloaded, and over-sped WILL fail, sometimes quite spectacularly… As will anything that is misused. If you constantly run you engine above the redline it will fail. That’s an operator problem, not an equipment problem.

I have had a utility trailer, pop-up, and now a TT, all with ST tires and no failures, even from the so called ‘China bombs’. But then again, I don’t overload my trailers, I maintain proper tire pressure, and I don’t pull at speeds over 60 mph.

However, as in all things, YMMV…

C Donald Butler

After 3 years I bought Goodyear G14s now I have peace of mind .

TravelingMan

Sorry to say that it’s not just tires….I’m not exactly sure how they call RV’s “road worthy” to begin with. We bought our unit in 2015 (2014 model year). Our dry stickers were wrong. The axles, springs and tires were undersized. The 2.5″ electric brakes were illegally undersized and could not stop our 42′ rig. The bushings in the springs were cheap plastic. The pin box is nortorious for weld cracks. The frame is so weak that stress cracks are in the slide openings and side walls. The roof lasted 4 years. The slide seals are in need of replacement (slides have to be removed at a cost of $1200 each). And the list goes on. It doesn’t matter if the rig is $15,000 or $150,000. UNTIL enough people get fed up and demand action from legislators, the RV industry will continue to build more and more junk and continue to rip uneducated consumers off. If you doubt this as an isolated case, buy a rig and get in line at a repair shop. You will wait for months to get anything fixed and again, you’ll be taken to the cleaners. Since we have owned our rig, we have paid for it twice. That’s just in 4 years! I try to make most of the repairs myself to save money where I can. We are in Shipshewana now getting $15,000 worth of work done now. I am meticulous with maintenance. I have been in maintenance and construction for about 40 years. After this latest repair, we will be getting that new roof from someone in another state who actually knows how to install one. That will be another $9,000. Don’t buy an RV unless you have an endless bank account to support it. We are full timers and had we known what to expect, we would have opted for another path. We’re too deep now to go back. Save yourself!

Back to tires…The tires can come from any country but before laying blame on the manufacturer, when was the last time you weighed your rig by tire and pin box? How many folks bought the RV from a company that specializes in cheap? What tires, springs axles or brakes came on the rig? Did anyone bother to look at what they were before they bought the rig? Its not the consumers fault (to a degree). They are relying on a quality product by the manufactuer. If the manufacturer put the part on, it MUST be the right size. Right? WRONG! There are NO regulations folks. Get yourself educated BEFORE you buy a rig. And always assume that there is no engineering or real quality control. We got rid of the G tires and put H tires on. They are from China and have already been about 10,000 miles with zero issues. Do you check your tire pressure every time you depart?

I’m in an RV Park in Indiana right now. You should see all of the junk surrounding us! This park has a repair service here. They are booked up and getting rich every day!

RV junk aside, we still love the RV life, and what it represents. We’ve met a lot of great people and seen a lot of fabulous sites. I just wish someone would start a quality RV company. I would be the first in line! But we won’t make the same mistake twice. Once this rig is gone, we’re out of the RV life!

Scooter

Been running st tires on all our trailers with no issues but I am A retentive about checking my tires. We did upgrade to the GY Endurance on both our 5er and boat. Bumped up both to the next higher load range. Our first TT wore load range Cs which after putting a pencil to it were at 100% load with the trailer at MTGW and most aft cg (10% tongue weight). Immediately bought the next highest load range for that trailer.

peterb

Been using LT tires for many, many years, always been happy with them. As soon as the stock tire ST comes apart I switch all to LT. Had problems with all most every ST tire I’ve had, on several different RV’s

Jeff Reck

When I bought my travel trailer earlier this year, I told the dealer I wanted to pay extra to have the china bomb tires replaced with better ones. To your point, the dealer said he had never been asked to do that by a customer before. He was pretty surprised but happily complied to make the sale.

Steven Scheinin

I have ST tires on my 5th wheel. I notice that when I am parking in a tight campsite those tires have a lot of “flex”, so much so I was alarmed the first time I saw that. It is now time to purchase new tires, and I am staying with ST for that reason. I don’t think LT tires are made for 5th wheels, or have the ability to “flex” at the same degree as ST’s.