Power King Towmax STR Tire Review & Rating

A number of trailers manufactured in the US today come with Towmax STR trailer tires on them. Thanks to its five-rib tread design, Towmax STR tires provide a smoother and more stable ride, and the tread is designed to last for a longer period of time.


Power King Towmax STR Tire

Towmax STR tires have a wider circumferential groove, that leads to greater traction in wet conditions and its optimized tread design results in more even tread wear over time. This model features a C, D or E load rating for hauling heavier loads, and is available in 13-16 inch sizes.

Pros

  • Good traction and stability on dry/wet pavement

Cons

  • Numerous issues with blowouts and failures from other trailer owners

Overall Thoughts

There are a lot of mixed feelings about the Power King Towmax STR trailer tire. In many cases, different types of trailer owners have experienced blowouts, sidewall failures and bulges soon after they purchased these tires, even though these tires had the correct tire pressure and the trailer owners were driving within the recommended speed range for these tires. As you might expect, some of these issues caused considerable damage to their trailers and rigs on which they were installed.

On the other hand, we’ve heard many trailer owners talk of positive experiences with these tires. That said, we feel there have been far too many failures for us to recommend this particular model. We would recommend going with the Maxxis tire or new Goodyear Endurance as a far better choice.

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Tire Sizes

13″

ST175/80R13 C/6 BSW
ST185/80R13 C/6 BSW

14″

ST205/75R14 C/6 BSW
ST215/75R14 C/6 BSW

15″

ST205/75R15 C/6 BSW
ST205/75R15 D/8 BSW
ST225/75R15 D/8 BSW
ST225/75R15 E/10 BSW

16″

ST235/80R16 E/10 BSW
ST235/85R16 E/10 BSW

Price Range

Power King Towmax STR prices range from approximately $37 and up. You may also find occasional rebates, discount prices, coupons and special offers on this tire.

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20 thoughts on “Power King Towmax STR Tire Review & Rating

  1. I’ve had mine for three years now, sounds like if they were going to be a problem, they would have by now. Hopefully it won’t be a problem on a trip I have coming up.

  2. These tire are junk bought a new fifth wheel not even 300 km on them got my second blowout today I’m really piss the price I paid for my unit and the company that sold the camper send them picture for a claim they refuse it never again I’ll buy those tire

    1. DO NOT BUY THESE TRAILER TIRES IF YOU WISH TO ACTUALLY MAKE IT TO YOUR DESTINATION. Three of the four tires blew within 100 miles of each other. Did damage to my trailer and boat. 2400 miles. 1-1/2 years old.

  3. Did you file a claim? I was told to call TBC quality insurance. 1-800-739-7696. I’m interested to know if there’s anyway to get in touch with them besides this phone number email address etc. TBC consumer relations told me that they had a five year warranty from the date that I bought it from the dealership

  4. Only 1100 miles on them and had two blowouts twenty miles a part, ripped up the side of my trailer. And after reading all the problems people are posting I think the name blow max is fitting name for these tires. Do yourself a favor and invest into good tires. Yes they cost more but it’s better than changing blowouts on the side of a two lane road putting your life in danger.

    1. Did you file a claim? I was told to call TBC quality insurance. 1-800-739-7696. I’m interested to know if there’s anyway to get in touch with them besides this phone number email address etc.

  5. These things are JUNK! I bought a 20 k trailer w 8 of these garbage things on.. they failed same year with less than 2000mi on.. tire dealer said mabe were old when trailer co mounted them.. bought 8 more NEW yr and 1500 miles later same CRAP , tread separation and blowouts… somtimes with a EMPTY TRAILER!! STAY AWAY from these things!! I wouldnt mount them if they were FREE!!

    1. Did you file a claim? I was told to call TBC quality insurance. 1-800-739-7696. I’m interested to know if there’s anyway to get in touch with them besides this phone number email address etc. TBC consumer relations told me that they had a five year warranty from the date that I bought it from the dealership.

  6. These things are JUNK! I bought a 20 k trailer w 8 of these garbage things on.. they failed same year with less than 2000mi on.. tire dealer said mabe were old when trailer co mounted them.. bought 8 more NEW yr and 1500 miles later same CRAP , tread separation and blowouts… somtimes with a EMPTY TRAILER!! STAY AWAY from these things!! I wouldnt mount them if they were FREE!!

    1. Did you file a claim? I was told to call TBC quality insurance. 1-800-739-7696. I’m interested to know if there’s anyway to get in touch with them besides this phone number email address etc. TBC consumer relations told me that they had a five year warranty from the date that I bought it from the dealership

  7. I bought a Towmax Power King STR for my fifth wheel trailer last year in Utah. A few months later in Canada we noticed the tire was almost touching the one behind it. Thinking we had a mechanical problem we dropped and dismantled the axle but found nothing wrong. After close inspection and measuring we found that the actual diameter was 1 1/2″ longer than the other tires, one of which was also a Power King. Tread separation is in the works with hardly any tread wear. I bought 2 new tires, putting the other Towmax on the spare and keeping the defective tire until I get back to Utah and see the dealer for a possible adjustment, since I found about about this class action claim. Information posted from other victims indicate similar problems causing catastrophic damage as well.

    1. Did you file a claim? I was told to call TBC quality insurance. 1-800-739-7696. I’m interested to know if there’s anyway to get in touch with them besides this phone number email address etc. TBC consumer relations told me that they had a five year warranty from the date that I bought it from the dealership

  8. 5th wheel came with these junk tires. They have about 1200 miles on them. Getting ready for month long trip and decided to put Mastertrack un-all steel tires on before we go after reading all the bad reviews. Tire blew out going to tire shop this morning. Driving 30 mph in town. Two of the other three were separating.
    5th wheel has been kept in building out of sunlight and tire pressure has always been checked. Fortunately no damage to RV.

  9. Bought a new Forest River 5th Wheel Camper at Camping World and these tires came with it, 800 miles later I had a blowout, my wife was following me, she said she saw the tire explode, I heard a loud boom. Damaged the trailer at 50mph. No fun trying to find a spot to pull over on a 2 lane and change a tire. If I would have known, I would have insisted Camping World put other than these cheap Chinese Bombs on the $60K 5th wheel before I bought it. Going forward with the Goodyear Endurance E rated made in USA tire. Don’t buy these Chinese Bombs. And if you are buying a new camper, check out the tires before you sign the paperwork.

    1. Did you file a claim? I was told to call TBC quality insurance. 1-800-739-7696. I’m interested to know if there’s anyway to get in touch with them besides this phone number email address etc. TBC consumer relations told me that they had a five year warranty from the date that I bought it from the dealership

  10. I bought eight 235 80 16 10 ply tires for my trailer a year ago one year later I’ve had six blowouts these tires are not worth the money even if they were given to you for free

  11. I have this same tire on my RV and 1200 miles later, a blowout. The entire tread of the tire blew completely off and was wrapped around the axle of the RV. Obviously these suck.

  12. These tires are nothing but junk only pull a 1200 lb boat lasted less than 6 months both blew out same day I was driving 30 mph which was better than 55 mph then 40 miles later the other blew out just sitting at a drive thru please do not purchase these tires spend the extra money buy a very good tire and save yourself time and trouble

  13. Not even 300 miles on a new trailer and have had 2 side walls blow out. They came with the trailer and I cant wait for them all to blowout so I can replace them. 2 more to go. Pure garbage!

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