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Karrier ST175/80R13 Radial Trailer Tire - Load Range D

Karrier ST175/80R13 Radial Trailer Tire - Load Range D

Item # AM10210
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Shipping Weight: 19 lbs
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Product Expert Mary E

Is this right for you? Product Expert Mary E says:

Yes, if you:

  • Need a higher weight capacity to support your heavy boat
  • Often tow long distances on the highway on the way to the campsite

No, if you:

  • Frequently tow during rainy or snowy conditions
  • Want roadside assistance for extra peace of mind
Radial special trailer tire provides excellent traction for a safe, smooth ride in both wet and dry conditions. Constructed of double steel belts and full nylon plies. Fits 13" wheels and has a maximum load capacity of 1,650 lbs at 70 psi. Lowest Prices for the best trailer tires and wheels from Kenda. Karrier ST175/80R13 Radial Trailer Tire - Load Range D part number AM10210 can be ordered online at or call 1-636-306-4830 for expert service.
  • All Info
  • Reviews (1533)
  • Q & A (0)
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  • Why etrailer?

Kenda Trailer Tires and Wheels - AM10210

  • Tire Only
  • 13 Inch
  • 175/80-13
  • Load Range D
  • Radial Tire
  • M - 81 mph
  • Kenda

Radial special trailer tire provides excellent traction for a safe, smooth ride in both wet and dry conditions. Constructed of double steel belts and full nylon plies. Fits 13" wheels and has a maximum load capacity of 1,650 lbs at 70 psi.


  • Special trailer (ST) tire has sturdy sidewalls so that it can handle heavy loads
    • Created specifically for trailers and not intended for use on other vehicles
  • Double steel belts and full nylon plies combine for superior function and long tire life
  • Computer-generated tread design and premium rubber-compound materials
    • Maximum traction in wet or dry conditions
  • Smooth ride and excellent stability at highway speeds
  • ST tire meets Department of Transportation specifications


  • Fits: 13" x 4-1/2", 13" x 5" and 13" x 5-1/2"
  • Tire size: ST175/80R13
    • Section width: 7"
    • Outer diameter (when inflated): 24.1"
  • Capacity:
    • Load range: D
    • Ply rating: 8
    • Maximum load: 1,650 lbs at 70 psi
  • Max speed: 81 mph (speed rating M)
  • 5-Year limited warranty
  • 1-Year worry-free guarantee

1-Year Worry-Free Guarantee

This tire has a 1-year worry-free guarantee. If within the first 12 months the tire is damaged in any way, it will be replaced at no charge.

Radial Tires vs. Bias Tires

Radial tire vs bias tire graphic

Radial ply tires are designed for trailers that are towed on the highway. The cords on a radial tire are positioned at a 90-degree angle to the direction of travel so that they lay across the width of the tire from wheel lip to wheel lip. This construction prevents the cords from rubbing against one another when the tire flexes, unlike the cords on a bias ply tire. As a result, radial tires have less rolling resistance and heat buildup, which leads to a longer tread life and improved steering at higher speeds.

10210 Kenda Karrier KR03 Radial Tire - LR D

Customer Reviews

Karrier ST175/80R13 Radial Trailer Tire - Load Range D - AM10210

Average Customer Rating:  4.8 out of 5 stars   (1533 Customer Reviews)

Radial special trailer tire provides excellent traction for a safe, smooth ride in both wet and dry conditions. Constructed of double steel belts and full nylon plies. Fits 13" wheels and has a maximum load capacity of 1,650 lbs at 70 psi.


Bought 3 of these to replace the original 2 tires + spare on my 2014 single axle travel trailer. Tires perform very well, no problems.


I have had excellent results with these tires (3rd purchase). Etrailer also does a great job! Communication is excellent!


I bought 2 wheels and 3 tires to replace some old tires on my double PWC trailer. Put both new wheels on yesterday and mounted the extra on an old wheel for a spare. Mounted this to the trailer using spare tire carrier and everything worked out great. The tires and wheels look great and the spare mounted without any problems to the trailer.


I recieved the trailer tires really fast. They have a good tread design and when mounted look great. I installed them on a very small travel trailer which came out with a load range C. These have a load range D which should be an improvement due to a little more pressure and carring capacity. I am very pleased with the delivery time and looks of the tires.


I bought this tire to replace the spare on my trailer of 18 yrs. Also bought the wheels with the same tires, now my trailer looks like a newer model. THANKS ETRAILER!


Just what I was after. Shipping was fast and tires arrived in individual boxes that were in perfect shape when they got here. Thanks again for another successful purchase.

The tires are working out for me as expected. Great tires for my boat trailer.
Duane - 04/26/2021


These worked well for my application. 3500 pound Dexter, boat trailer. I ran them around town and to the lake a few times, then decided to get another as a spare. I've made many purchases from etrailer. etrailer's service is unmatched. I typically receive my order in 2-3 days, which is pretty incredible.


tires seem to be heavy duty. I am glad that I ordered from you. the free shipping was a plus also. THANKS


Looks nice but I can’t give an honest review because it’s for a spare wheel for my trailer. I’ll update this review if I’m unfortunately forced to use it. I will say that I choose a radial instead if a bias ply because the supposedly trac better.


Great service!! Good products!


The team at etrailer were professional and on top of things from beginning to end!! Thank you etrailer


Great price. Fast delivery. I am one the road again. Would order again.


We have used these tires for 8 years (3 sets) for our heavier than normal hard side pop-up camper trailer. Most of our miles are on gravel roads and these tires have stood the test.

etrailer has always been top notch to work with and ship on time.


Excellent tires!


These tires were exactly what I ordered and arrived really fast, within a couple of days. I obviously can’t review the tires since I just unboxed them but I know etrailer carries quality products. I had such a good experience with my 1st purchase from them a few years ago (Tekonsha brake controller ) and they have such a good reputation with the RV forum I frequent that I felt comfortable ordering without calling them. The manufacturing date on each tire is 1421 which I am really happy with. Mid April to mid September is good! Thanks, guys!


They are definitely different from the bias ply Tire. I will see how they will ride and last. They look more like a car tire.


Exactly what I ordered, that my local go to tire dealer couldn’t supply. Promptness of processing and shipping the order was top notch! Ordered on Monday, in my garage Wednesday afternoon!


Have to run a lot of air pressure with this tire, seems to bounce the trailer a little more when hitting bumps. Does track straight and easier to push trailer with boat back in garage.


I purchased two of these tires for my boat trailer 5 years ago. They had maybe 10-12k miles on them. Last fall I had one of the tires go bad - the tire cords failed causing uneven wear. It didn't blow out but I was perhaps lucky. Purchased a replacement - same tire. Last month I had a similar cord failure with the other old tire. After that problem was going to purchase 2 new name brand tires but couldn't find any D load rating tires in the 175/80R13 tires. Decided to just buy another Karrier tire. When my mechanic changed out the second tire he said the inside of this one was far worse than the first failure. I was running the tires with 55 psi of air with a max listed pressure of 65 psi. Maybe that was a factor so now running the tires at 60 psi and plan on changing them after 3 years. Not real comfortable with these tires but hopefully I can get 3 years out of them without a failure.


Everything came in a timely manner and was as described.


Excellent, tires went on a bayliner 175


Ordered tires for trailer. Rec'd the freshest I've ever seen. Manufacture date was 30 week of 2017. Installed 7/19/17. Does that even add up???? 8 Ply trailer tires hopefully will minimize the tire explosions in the future.

So far so good.
Joe T - 07/23/2018


Very fast delivery. Now have a tir

fast delivery. Now have tires with higher load rating on camper adding safety and peace of mind. Outstanding service.


Tires are wearing well. Track well on the highway and have sealed good on the rims. Pleased so far.


Easy ordering and fast delivery.

Show More Reviews

See what our Experts say about this Kenda Trailer Tires and Wheels

  • Recommended Replacement Radial Tires For Trailer When Bias Tires Are Wearing Unevenly
    There can be a couple reasons why your tires are wearing on the outside edge. The first may be that you have the tires on a trailer that has a large capacity and you are not carrying much weight. Since axles have a bow and flex a bit when a load is placed on the suspension, all of the tire may not be coming in contact with the pavement evenly. Another possible reason for the uneven wear is the axle has been turned over and used with the bow going the wrong way. Another possibility...
    view full answer...
  • Can Radials be Used Instead of Bias Ply on Trailer w/ ST175/80D13 Tires
    Yes, it is possible to use radial tires instead of bias ply tires which came on your trailer. A radial tire flexes more than a bias ply and will give you better ground contact, traction, stability, and tread wear. A radial tire will also normally run cooler than a bias ply tire, and since the number one enemy of trailer tires is excessive heat build-up, running cooler means that the tire will last longer. I recommend taking a look at the Karrier ST175/80R13 Radial Trailer Tire, # AM10210....
    view full answer...
  • Choosing Between Radial and Bias Ply ST175/80D13 Trailer Tires
    For best performance, it is always best to stay with the original tire size whenever possible. If the weight of the trailer plus its load will not exceed the 3220 lb capacity for two of the # AM10210 Radials (1610 lbs per tire) they would be my recommendation. The radial tires will provide superior ride quality, and will generally run cooler than a comparable bias-ply tire if not overloaded. Since heat is the enemy of tires, a cooler running tire will last longer. For long life and better...
    view full answer...
  • Information Needed to Pick Out Wheels and Tires for a Pop Camper Trailer
    I can give you a tire recommendation to replace the A78-13ST tires that are on your trailer now, but since I do not know the wheel bolt pattern of your wheels I can not give you a wheel recommendation. I attached an FAQ on determining bolt patterns for you to check out. If you email me back with your bolt pattern I can give you a wheel recommendation also. Your wheel will most likely be a 4 on 4 inch or 5 on 4-1/2 inch bolt pattern. For a tire I would recommend you get the Karrier ST175/80R13...
    view full answer...
  • Replacement Trailer Tire for a 3,000 Pound 2001 Pop-Up Camper with ST185/80-13 Tires
    First, for the correct tire size, if there is any literature like an owners manual, the proper size could be listed in it. There should also be a sticker or plate that is on the trailer frame or tongue that might have that information as well. You can use any size you want as long as it fits and has a high enough capacity for the axle rating. For an ST185/80-13 we do only carry bias ply tires. For a radial you can go with a slightly smaller tire, ST175/80-13, which will be about 1/2 inch...
    view full answer...
  • How to Measure for Bolt Pattern on a Trailer Wheel with 4.80-12 Tires and 5 Bolt Wheels
    Measuring for bolt pattern of a wheel is easy. I have included a link to an FAQ article that explains how to do it. Since you have a 4.80-12 and 5 bolts you probably have a 5 on 4-1/2 bolt pattern. I have also including links to wheel and tire combos and a link to just wheels in this size and bolt pattern.
    view full answer...
  • Tire Options on Utility Trailer With P185/80R13 Tire Size
    First, I would try to find a identification tag on the trailer to determine the weight capacity of the trailer and if it list a recommended tire size. This would help you determine the capacity of the tire you will need. The P185/80R13 size is a passenger tire size. A trailer tire will always have a ST designation before the first number to let you know it is a special trailer design tire. A trailer tire will have stronger sidewalls and normally a higher load capacity compared to a passenger...
    view full answer...
  • Replacement Trailer Tires for a 1968 Trotwood Trailer with 13 x 6 Tires
    If the tire itself fits on a 13 x 6 inch wheel then fit is going to be a problem. But to measure the width of a wheel you will take the tire off and measure from bead seat to bead seat. If that measurement is 4-1/2 to 5-1/2 inches wide then we will have some tires that will fit though the overall width may be wider than what you currently have. The closest is going to be a 175/80-13. I have linked all the tires we have in this size. They will all fit a 13 inch wheel that is 4-1/2 to 5-1/2...
    view full answer...
  • Replacement Trailer Tires for a Pop-up Camper with 5.30-12 Tires
    If you are just needed tires in size 5.30-12 then we have several options and I have included a link to them for you. If you need a tire and wheel combo then we do have several options in the 4 on 4 bolt pattern and I have linked those as well. You will just want to verify that your wheel bolt pattern is 4 on 4 by measuring using the FAQ article I have linked as a guide. I have also linked an FAQ article on trailer tires for you.
    view full answer...
  • Is it Okay to Have Different Size Tires on a Trailer
    Having different size tires on your trailer can cause a couple of different issues. The first one being that they have different weight capacities. Your 4.8-12 ranges from 785 lbs at 60 psi to 990 lbs at 90 psi whereas your 5.3-12 ranges from 840 lbs at 55 psi to 1250 lbs at 105 psi. An important point of consideration is when using two different size tires, the load has to be no more than the capacity of the lowest rated tire. With this substantial difference with both weight capacities...
    view full answer...
  • Can 5.30-12 Tires be Used on a Trailer with 4.80-12 Tires
    Adding higher capacity tires will not increase the capacity of the trailer. That is set by the axle and the other components, hubs, suspension, tires, and wheels, will match or come very close. You can still go to a different size though as long as there is space all around the existing tires for the larger size. A 4.80-12 will have a section width of 4.9 inches and diameter of 20.5 inches. A 5.30-12 tire will have a section width of 5.6 inches and diameter of 21.9 inches. I have linked...
    view full answer...
  • Typical Axle Diameters Based on Axle Capacity
    I might be able to help you get a closer idea of what your axle capacity is. There are also some typical axle dimensions/capacities. Typical Axle Diameters Based on Axle Capacity: 1,000-lb - 2,000-lb Axles: 1-1/2" - 1-3/4" diameter 3,500-lb Axles: 2-3/8" diameter (Can have a 3-1/2" diameter, but rarely) 6,000-lb - 7,200-lb Axles: 3" diameter 8,000-lb Axles: 3-1/2" diameter 9,000 lb Axles: 4" diameter 10,000-lb Or more axles: 5" diameter
    view full answer...
  • Possible Replacement Trailer Tire for a 145R13 Trailer Tire
    The 145R13 tire size you have is a 145/80R13 size. The closest thing we have to that is a 175/80R13 tire size. This would be 30 mm wider and would have an overall height of 24.1 inches. This tire size can fit rim widths of 4-1/2 inches to 5-1/2 inches. If this is compatible with your trailer and rim you would want Karrier ST175/80R13 Radial Trailer Tire # AM10210.
    view full answer...
  • Should Wheels be Replaced with the Tires on a 10 Year Old Coleman Pop Up Camper
    If the wheels on your trailer are rusting or appear to be bent or otherwise damaged then it will be time to replace them. If they appear fine and are not rusty then you do not have to replace them. The benefit of getting a tire and wheel combo with the tire already mounted is that you do not have to worry about getting them mounted or balanced. A quick note on balancing. Trailer tires do not have to be balanced. You could have them balanced if you want but the problem is that most tire...
    view full answer...
  • How to Pick Out Trailer Tires for a 1997 Palomino Popup Colt
    I would recommend sticking with the same size you currently have on your 1997 Palomino Popup Colt. The easiest way to determine the size you have is to check out the lettering on the sidewall of the tire. I attached a picture of what the size will look like. I also attached a few trailer tire FAQs for you to check out. Once you know what size you need check out the link I attached that will take you to a page that has all of the trailer tires we offer.
    view full answer...
    Image 1 for
  • How to Determine the Load Rating of Tires on a Motorcycle Trailer
    I think you are asking about the load rating for the 5.30-12 tires on your motorcycle trailer. Is that the case? If so, there are a few things we will want to look at. The 5.30-12 trailer tires come in three different load ranges. The easiest way to tell the load rating of your tires is to look at the sidewall of the tire. Most tire manufacturers will list the weight capacity and psi rating on the side of the tire. They may also list the load range using the letters B, C or D. A load range...
    view full answer...
  • Are Wider 13 Inch Trailer Tires Available Than 185/80-13
    I have attached a couple of helpful articles that have frequently asked questions about tires and trailer tire sizing you can check out. As the chart shows, the widest 13 inch tire we carry is the 185 as you said you currently have.
    view full answer...
  • Recommendation for a Replacement Tire of a Jayco Popup Camper with a ST175/80D13 Tire
    For your Jayco Popup Camper, I recommend replacing your tires with the Kenda Karrier St175/80R13 Radial Trailer Tire, # AM10210. The Karrier tire will be an upgrade to your bias ply tires that you currently have on your camper. The Karrier radial tire will run cooler and give you a smoother ride. The tire is load range D and has a weight capacity of 1,610 lbs at 65 psi. The Karrier also has a 8 ply rating with double steel belts. I have attached a video for you to review on the Kenda...
    view full answer...
  • Would Trailer Rim that Had ST155/80R13 Also Fit Tire Size ST175/80R13
    Yes, the tire size ST175/80R13 can fit on tire rim widths between 4-1/2 inch and 5-1/2 inch which would be the same as what you would have had an ST155/80R13 mounted on.
    view full answer...
  • Trailer Tire Recommendation for Size 175/80R13 with Higher Speed Rating
    For a Load Range D 175/80R13 size tire I recommend the Kenda, part # AM10210. It has an 81 mph speed rating and a weight capacity of 1,610 pounds at 65 psi.
    view full answer...
  • Speed Rating on the Karrier # AM10210 ST175/80R13 Tire
    The Kenda 175/80R13 tire, part # AM10210, is rated up to 81 mph. Trailer tires have a speed rating which is listed on its sidewall. If there is no rating on the sidewall than the tire is rated for 65 mph.
    view full answer...
  • How to Pick Out a Spare Wheel and Tire for an Older Camper Trailer
    I am going to need to know a couple thing to help you pick out a spare rim and tire for you trailer. I will need to know the size of the tire that is stamped on the side of the tire and bolt pattern of the rim. I attached a picture that shows what the size will look like and a help article on determining bolt patterns for you to check out as well. Or with the information you can check out the link I attached that has all of the wheels and tires we carry. You will be able to select the...
    view full answer...
    Image 1 for
  • Can Karrier Radial Trailer Tire Be Used On Either Side Of Trailer
    The Karrier ST175/80R13 Radial Trailer Tire, part # AM10210 is not a directional tire. With that being said radial tires should not be rotated from side to side. They can be switched front to back, however. They have a directional belt pattern and after several miles are put on the tires they should not be rotated.
    view full answer...
  • Will Higher Load Range Trailer Tires Change Trailer Ride Quality
    The metric equivalent size for an A78x13ST original trailer tire is the ST175/80-13 size you referenced. Changing to a higher Load Range tire will not really affect your ride quality very much. But what this will do is help to prevent excess heat in the tires since they will tend to remain cooler if they are used below their rated capacity. A tire that has to carry 90-percent of its rated load capacity will get warmer than one that carries only 70-percent of its maximum rated load. Since...
    view full answer...

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