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

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

Item # AM10210
Our Price: $96.84
Trailer Tires and Wheels
Shipping Weight: 19 lbs
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Kenda Tire Only - AM10210
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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. Great 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 1-800-940-8924 for expert service.
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  • Reviews (2011)
  • Q & A (0)
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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 Satisfaction Score:

Customer Reviews

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

Average Customer Rating:  4.8 out of 5 stars   (2011 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.


They have been great, much better than the load range c tires that exploded.


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.


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.


Very fast shipping. The tires are excellent quality and big upgrade from the load range B bias ply I had previously.


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


Excellent as always. This particular tire size and Load Range is superior to garbage tires sold at Walmart.


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!


Fast, speedy delivery of a set of tires. Customer service staff is outstanding with answers to questions within minutes. Thank you all.


Exactly what I was looking for to match the other tire. Hard to find these tires in a "D" load rating and in radial design.
My trailer torsion suspension failed on one side and caused the old tire to rub on the fender. The old tire is not holding air now so I'm just replacing the old tire with a matching unit.


these tires hold up very well and give years of service. If you are mounting them yourself, they're very easy to seal on the rims.


Perfect fit to replace boat trailer tire they don’t make anymore. Arrived on time great looking tire very happy I purchased them


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.


This was my first experience purchasing new trailer for my RV trailer and my first experience with etrailer. James R assisted me in ordering the right tires and the tires were shipped THE SAME DAY. I would highly recommend etrailer and I will order from them in the future.


Outstanding customer service and very fast delivery of the items a bought. Thanks again etrailer for great service


Great response and fast shipping


Great tire, replaced old dry rotted tire perfectly.Trailer rides smoothly.


tires look very good.
Will have them
mounted thursday.


Fast shipping, tires shipped in boxes which is safer.


Did well for our 5000 mile trip.


Just returned from 2nd long road with about 3400 miles each. Also logged a few 300 mile trips. So far, holding up well. Run 50 psi. Tires are D rated. This is my 2nd set of 4(double axle). 1st set didn't quite go as far. Had sidewall failure on two of the four. Maybe bad batch. Would recommend due to steel belts and D rating. Original equip. was C rated and fiber glass belted.

Etrailer Expert

Mike L.


Trailer tires, unlike those used on passenger vehicles, should be kept at the maximum pressure indicated on the tire sidewall, which is 70 psi in this case. Failure to keep the tires fully inflated can lead to excessive heat build-up, which is the number one cause of premature tire failure.


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.


Well, the product is very good. Happy with the initial inspection. Can give more after install. However, the experience with Tammy was AAA+. Info on your website AAA+. I am very happy to work with folks who know their trade and help customers understand. I am confident recommending to others, including family. I will be back.


This was a replacement tire for my trailer and is exactly what I needed


Fast shipping.


You guys are the Best!

Show More Reviews

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

  • Replacing 6.50-13ST Tires on 1981 Highlander Boat Trailer
    The closest modern equivalent tire size to the 6.50-13 would be 175/80-13. This tire size is recommended for use on a 13 x 4-1/2, 13 x 5 or 13 x 5-1/2 rim. I've provided you with a diagram showing how to measure the width of a rim, the problem is, it's a difficult measurement to take unless the tire's removed from the wheel. If your boat trailer has plenty of clearance to the inside of the wheels, I'd recommend going with a new wheel/tire combo. You'll want the combined load rating of...
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  • Are Radial Tires More Resistant to Tread Wear Than Bias Tires
    If you do mostly highway driving then radial tires like the Karrier ST175/80R13 Trailer Tire # AM10210 will be all-around better as they have a better design to say cool at highway speeds, but radial doesn't necessarily have a better resistance to poor tread wear. Typically when then inside tread of tires is wearing out faster than the rest of the tire it means that too much load is being put on the axle and it is almost bowing down which forces your tires to sit at a weird angle. This...
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  • 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.
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  • 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.
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  • Highest Load Range Tire Sized ST175/80-13
    The highest Load Rating we offer in your size of ST175/80-13 is a Load Range D like the part # AM10210 which has a 1,610 lbs at 65 psi rating. I attached a review video for you to check out as well. This tire is a radial which would be an improvement over the bias-ply tires you currently have. A radial tire will normally run cooler than a bias ply tire, especially when the tire is under a load. A tire that runs cooler will last longer. A bias ply tire has a stiffer sidewall than a radial,...
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  • Metric Tire Size to Replace B78-13ST Boat Trailer Tire
    A tire of size B78-13ST can be replaced with the metric trailer tire size ST175/80-13 which has the same overall diameter of approximately 24-inches when mounted and inflated. Both of these tire sizes will fit on a 13-inch rim with widths of either 4-1/2-, 5- or 5-1/2-inches. We offer ST175/80-13 tires in three load ranges, B, C, and D, which have weight ratings of 1100-, 1360- and 1610-lbs, respectively. All tires and wheel/tire combination products in this size are displayed on the linked...
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  • Switching from a 5.70-8 Tire to a ST175/80R13 Tire on a Boat Trailer
    You can move to a larger tire size on your boat trailer, however, there are a few factors that you will want to take into consideration before making the switch. The first thing that you will want to keep in mind is that switching to a larger tire will not increase the weight capacity of your trailer. You will still be limited to the weight capacity of your axle. The next factor to consider is that the tires you currently have on your trailer are 5.70-8 tires. These tires mount on an...
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  • 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...
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  • Recommended 13 Inch Trailer Tires for 20 Foot Pontoon Boat Trailer
    Based on the information you provided, an ST175/80R13 tire should work great on your pontoon boat trailer. The Kenda Karrier ST175/80R13 Radial Trailer Tire # AM10210 that you were looking at is a great choice. It features a maximum load of 1,610 pounds at 65 psi (Load Range D) which will give you a combined capacity of 3,220 pounds if you have a single axle trailer (2 tires). Its 81 mph speed rating will also allow you to comfortably travel the speed limit as you make your way through...
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  • 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...
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    Image 1 for
  • What is the Diameter of a B78-13 Trailer Tire
    The B78-13 tire size, the modern equivalent of which is a 175/80-13, has a 24.1 inch diameter. This can vary slightly from one manufacturer to the next so you might see one that is 23.9 or 24.3. I have included a link to our handy tire size help article for you.
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  • 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...
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  • 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
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  • Can Tire Sizes on a Trailer Be Mixed
    You'll want to make sure that all the tires on a trailer are the same size, load rating and construction (bias ply versus radial). If you're wanting to match an existing tire, I'd be happy to make a recommendation if you can reply with the exact tire size and load rating and whether the tire is a bias ply or a radial. This information can be found on the tire's sidewall. I'll link to our series of trailer wheel and tire articles which I hope you'll find informative.
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  • Can 175/80-13 Radial Tires be Used on the Same Rim as 175/80-13 Bias Tires
    The only difference between your current Loadstar tires and the Karrier ST175/80R13 Radial Trailer Tire - Load Range D # AM10210 is going to be bias vs. radial and potentially a different load rating. When it comes to size, these tires will be the same and will fit on the same rims you already have. The Karrier # AM10210 has a maximum load of 1,650 lbs at 70 psi and a max speed of 81 mph. This radial ply tire is designed for trailers towed on the highway giving you longer tread life and...
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  • 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...
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  • Boat Trailer Wheel and Tire Replacement for Size 195/70R14
    The size your trailer has on it now is a passenger vehicle tire size so there won't be an exact replacement but the closest and best will be the size ST205/75-14 which we offer on a wheel with part # 724864519A from Goodyear. This is made in the USA, has the 5 lug pattern you need, has automotive style tread for great traction, and also comes with a great warranty. I attached a review video for this for you to check out as well.
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  • 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.
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  • 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...
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  • 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...
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  • Do Karrier ST175/80R13 Radial Trailer Tires Work Well on a Tow Dolly
    Definitely; radial trailer tires will work superbly on a tow dolly and are the best option for highway use because they run cooler than other tires and flex more. This allows the tire to have the most overall contact with the road, giving you better road traction. A dolly is, in essence, a trailer, so trailer tires will work wonderfully, including the Karrier you asked about: - Karrier ST175/80R13 Radial Trailer Tire # AM10210 The # AM10210 fit 13 inch wheels and have a speed rating of...
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  • Can Karavan Single Axle Boat Trailer Use Tire Size 175/80R13 in Load Range D
    As long as the tire you end up using has the capacity for the weight of the trailer when it's loaded you are totally fine. Size difference would not be a problem. So if your trailer will weigh up to 2,923 lbs a Load Range D trailer tire in the size of 175/80R13 like the part # AM10210 would work well as it has a capacity of 1,650 lb per tire which would put you at a total capacity of 3,300 lb total tire capacity.
    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...
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  • 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...

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