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Karrier KR03 ST225/75R15 Radial Trailer Tire - Load Range C
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Kenda

Karrier KR03 ST225/75R15 Radial Trailer Tire - Load Range C

Part Number: AM10251
In Stock
$143.95
Trailer Tires and Wheels
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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 15" wheels and has a maximum load capacity of 2,150 lbs at 50 psi. Great Prices for the best trailer tires and wheels from Kenda. Karrier KR03 ST225/75R15 Radial Trailer Tire - Load Range C part number AM10251 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Kenda Trailer Tires and Wheels - AM10251

Highlights

  • Steady on the Highway: Radial design runs cooler for longer tread life and stable tracking.
  • Hauls the Heavy Stuff: Load Range C, 6-ply tire handles up to 2,150 lbs at 50 psi with confidence.
  • Built to Last: Double steel belts and full nylon plies add strength for long-term use.
  • Smooth, Safe Ride: Computer-generated tread grips well in wet or dry conditions.
  • Fits Common Rims: Mounts on 15"x6", 15"x6-1/2", and 15"x7" wheels for easy fitment.
  • Long-Term Protection: Includes a 5-year limited warranty and 1-year worry-free guarantee.

Features to know about

Built for Confident Towing: Load Range C with 2,150-lb Capacity at 50 psi

This Kenda Karrier ST225/75R15 radial trailer tire is a solid match for heavy hauling. With a Load Range C and 6-ply rating, it carries up to 2,150 lbs at 50 psi per tire. The sturdy sidewalls are built specifically for trailer use, so they stay stable under load without the soft feel you’d get from passenger tires. The design meets DOT specs and holds steady on the highway mile after mile.

Smooth Tracking on Long Trips: Radial Construction with Double Steel Belts

If you spend more time rolling than parked, this radial is made to last. The cords inside run at a 90-degree angle to travel direction, which cuts down on heat and rolling resistance for better tread life and handling at speed. Double steel belts and full nylon plies team up for strength and even wear, keeping your trailer tracking straight whether the pavement’s wet or dry.

Ready for Real-World Roads: Computer-Generated Tread and Premium Rubber Compounds

You can feel how planted these tires are on the move. The tread pattern is computer-generated for balanced traction across the tire face, while the rubber compound grips reliably in both rain and heat. That means fewer surprises when braking or cornering under load—just a smooth, predictable ride that inspires confidence over long hauls.

Extra Peace of Mind: 5-Year Limited Warranty and 1-Year Worry-Free Guarantee

Kenda backs this tire with a 5-year limited warranty plus a 1-year worry-free guarantee that replaces it if damaged within the first year. That kind of coverage adds an extra level of trust when you’re putting serious miles on your rig—because the last thing you want to think about on the road is your tires.

Specs

Compatibility

  • Fits: 15" x 6", 15" x 6-1/2", and 15" x 7" rims
  • Tire size: ST225/75R15

Dimensions

  • Section width: 8.9"
  • Outer diameter (when inflated): 28.4"

Weight and Capacity

  • Load range: C
  • Ply rating: 6
  • Maximum load: 2,150 lbs at 50 psi

Warranty

  • 5-Year limited warranty
  • 1-Year worry-free guarantee
Determining Bolt Pattern

1. Count the lug holes

Look at the wheel hub or the back of the wheel and count how many lug holes there are(also called bolt holes).

Common configurations include: 4-lug, 5-lug, 6-lug and 8 lug

2a. For even lug counts (4-lug, 6-lug, 8-lug)

Measure from the center of one lug hole directly across to the center of the hole opposite it.

Center to Center
Common configurations: 4 on 4", 6 on 5.5", 8 on 6.5"

2b. For odd lug counts (5-lug)

Measure from the center of one lug hole to the outer edge of the hole directly across (not center-to-center since there's no directly opposite hole).

Center to Outside Edge
Common configurations: 5 on 4.5" (most popular), 5 on 5", 5 on 4.75", 5 on 5.5"

10251 Kenda Karrier KR03 Radial Tire - LR C





Ratings & Reviews

4.8

2530 reviews
5 Stars
(2195)
4 Stars
(234)
3 Stars
(32)
2 Stars
(25)
1 Star
(44)
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by:
These tires seem to be a quality product and my tire temps seem to be lower than the aggressive off-road tread I had previously
by:
The online information on how to determine bolt pattern and measure a wheel was very useful to help me determine what size tire to order, since I was planning to use some rims I already owned. Once ordered, the 2 trailer tires arrived quickly, but a day apart (?). I had them mounted on my rims, balanced, and then swapped them out with the old wheels. No installation problems, and the trailer pulls nicely as always. Now we shall see how the tires wear over time.
by:
I recieved my tires and wheels yesterday. I was in need of these quickly since I was leaving on a trip the same week. Dana M. at etrailer hooked me up with the right tires and wheels for my trailer and the shipping was as promised. Thank you guys for a great transaction. I would definitely buy again.
by:
I need to mount and balance these but they look like good tires. The sidewall is thinner due to the "C" load range but that should be fine and hopefully they are very durable.
by:
Its a trailer tire, what's to say? Time and milage will tell, then I'll review as to durability and endurance. I received it in only 3 days which is amazing, and what arrived was just what was ordered; as always with etrailer. Great service, good products, fair prices.
by:
Have always been satisfied with all the tire products that I have purchased through etrailer and there is no issue with the actual product this time BUT I am a bit disappointed that the brand new tire arrived with a manufacturer date of Mid July 2021.....9/10 months old already.
by:
This site was very easy to order from. The product came quickly and on the day promised. Also free shipping is always a plus! I will definitely order from etrailer again!
by:
Product was received quickly and fit great! I would use etrailer.com again.
by:
Tires were the wrong size, luckily the tire shop I went to have them mounted sold me rims that fit. Tires were not used as far as I could tell, but they were 3 years old.
by:
A great tire for your travel trailer. I ordered one for a spare.
by:
They've worked fine for me.
by:
Nice tire, great price.
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I ordered 3 tires on Monday afternoon. Elijah let me know they were shipped that night and Wed night the UPS guy was delivering them. He has a trailer and wanted to know about etrailer, who I've been using for years. He too went away impressed. I checked another internet trailer organization before buying and while the prices on the same tires were the same, they were going to charge me over $200 for shipping. Great organization, prices and guys like Elijah to keep me informed.
by:
Fantastic experience all around! I placed the order about 7 AM, it was in UPS's hands about an hour later! The tires were delivered the very next day. All four had the same date code, about 13 months old, which suits me just fine. Walmart got them mounted up and balanced for me, I put them on the trailer, and they are just perfect. Of course I can't speak yet to their longevity, but I hear great things about the warranty, if needed. Etrailer is a fantastic company, I'll definitely be back!
by:
Delivery was faster than expected. Had them mounted at my local tire shop. My only question is when asked to have them balanced the technician said that trailer tires are not required to be balanced, is this true. My other trailer tires purchased from trailer 7 years ago were balanced.
by:
Decent trailer tire for the money.Do not have enough miles on them to fully rate.Switched from Goodyear tires which are definitely better,but almost twice as expensive.Will see if the difference is worth it.
by:
These are great tires. I have pulled this trailer over 200,000 miles. Hence, I’ve gone through a few sets of tires. These tires are wearing extremely well and the trailer tracks nicely.
David profile picture

David

4/26/2026

One year later and the tires still look nearly new. I’ve hit a number of deep pot holes at 45 mph+ and no visible damage to the tires. The trailer still tracks the same as the first day they were installed. I will be buying these tires for my 25 foot travel trailer when the old ones were out.

by:
Placed order on Monday Aug 10, at 4:30 PM. Order arrived on August 13 at noon. Fast free shipping. Thank you. Having mounting and balance today. Triple axle trailer carrying 35' boat with GVW at 20K lb (3,333 lb per wheel). Hot southwest desert climate near Lake Powell. Got these for the extreme conditions. Will send followup review after I have towed the 235 miles to Page.
by:
êtrailer is where I get my trailer tires. My old
Tires are still in very good shape but they’re over 10 years old
. You can see in picture. etrailer workers are very professional and pleasant to ask questions what you needs.
by:
Great tire for my boat trailer!
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See what our Experts say about this Kenda Trailer Tires and Wheels

  • What Load Range Tire is Needed for a 10,000 lb Trailer
    Load range capacity varies based on the tire size and brand, so without knowing either, it's hard to say. For example, a load range D tire in size 145/80-12 has an average capacity of 1,220 lbs, while a load range C tire in size 185/80-13 has an average capacity of 1,480 lbs. So, in this case, the load range C tire has a greater capacity than the load range D tire. It's best to check the weight capacity of an individual tire to make sure the load range will be sufficient. With a fifth wheel,...
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  • Correctly Rated 225/75-15 Trailer Tires For 7,000 lb Tandem Axle Trailer
    Okay, let's start real quick with if you should have different load rated tires on your tandem axle trailer - you can, but it isn't advisable as they will wear differently, or you'd need to keep a real close eye on the psi of each tire to make sure it's exactly the same. As for the rest of your questions, I'll take them one by one. 1) While we don't have Eagle tires so I can't comment on their viability, your friend is 100 percent right, load range F 225/75-15 tires are absolutely overkill...
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  • Is There a Dexstar Wheel 017-117 & 225/75-15 Tire
    Hey Steve, We do have that the 017-117 Dexstar wheel as well as 225/75-15 tires, though not as a combo so you'll have to get the tire mounted on the wheel. For the wheel, what you're looking for is the Dexstar Conventional Steel Wheel with Offset - 15" x 6" Rim - 5 on 4-1/2 # AM20504. Then for the tire, the right one will depend on the load rating you need: - Load Range C (2,150 lbs): Karrier ST225/75R15 Radial Trailer Tire # AM10251 - Load Range D (2,540 lbs): Karrier ST225/75R15 Radial...
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  • Dexstar Steel Spoke Trailer Wheel 017-143-1X and Tire
    We have the Dexstar Steel Spoke Trailer Wheel - 15" x 5" Rim - 5 on 4-1/2 - White Powder Coat, # AM20422. This is the Dexstar 5" 017-143-1X wheel. For a tire with a 2150 lb. load rating that fits this wheel, I suggest the Karrier ST225/75R15 Radial Trailer Tire, # AM10251. This tire is constructed of double steel belts and full nylon plies, it fits 15" wheels and has a maximum load capacity of 2,150 lbs. at 50 psi. This is a load rating of C and a speed rating of 81 mph. This has a...
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  • Replacing 235/75R15 Tires on a Forest River r-pod
    The ST235/75R15 tires you referenced are not a standard sized trailer tire, hence the difficulty in finding them. Your best bet to find tires now and in the future would be to replace those with 225/75R15 tires, which will be extremely close in overall dimensions, as I'll outline for you below. 235/75R15 tires are 9.3 inches wide with a height of 28.8 inches. 225/75R15 tires are 8.9 inches wide with a height of 28.3 inches. You can get 225/75R15 tires in load ranges C, D, or E. For...
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  • Largest Tire For 15 x 5 or 15 x 6 Trailer Wheel
    You said both 15 x 5 and 15 x 6, so I'm not sure which one you are going to, but I'll go over the options for you. First, keep in mind that the general rule of thumb is you want at least 3" of clearance from the top of the tire to your fender and at least 1" of clearance between the inside of the tire and your trailer's frame rail. So having said that, the largest tire for a 15 x 5 wheel is a size ST205/75R15 and the largest for a 15 x 6 is a ST225/75R15: - ST205/75R15: Karrier ST205/75R15...
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  • Trailer Tire Recommendation to Replace a P215/75R15
    It's a smart idea to remove the P215 tires from your trailer since they weren't meant for use on a trailer. The P actually designates that it is for a passenger vehicle. Either size you are interested in would work well. I like going with the largest tire available that will fit since you will get more capacity, more ground clearance, and a slightly smoother ride quality. The part # AM10251 would work well for you. I attached a review video for you to check out as well. Both Kenda and...
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  • Replacement for Dexstar 17-384 Trailer Wheel
    We do have the exact replacement for your Dexstar 17-384 trailer wheel, the Dexstar Steel Spoke Trailer Wheel # AM20428. This wheel has a 5 on 5" bolt pattern which is going to be what you need. In regards to a spare tire, you are going to want one that is the same size and load range as your current tire, and which you can see on its sidewall. For example, if you have a size ST205/75R15 tire with a load range of D a great replacement is the Karrier ST205/75R15 Radial Trailer Tire - Load...
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  • Recommended Tires for a 5x10 Trailer with 3,500 Lb Axle
    The number of plies a tire has no longer has a direct correlation to the weight capacity of a tire as manufacturers have begun to use stronger material which means fewer plies and a higher weight capacity. The figure that is now used instead of plies is load range. The load range of all tires will need to exceed the gross trailer weight (GTW) of the trailer. I recommend the Karrier Radial Trailer Tire part # AM10251 if you have ST225/75-15 tires or part # AM10244 if you have ST205/75-15...
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  • What is the Difference Between Load Range C and Load Range D Tires
    The difference between load ranges varies based on the tire size and brand. When comparing two tires of the same size and brand, a load range D tire will always have a greater weight capacity and psi rating than a load range C. However, when comparing two dissimilar tires, such as a size 145/80-12 tire and a size 185/80-13 tire, the load ranges will not correlate with one another. For example, a load range D tire in size 145/80-12 has an average capacity of 1,220 lbs, while a load range...
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  • Wheel and Tire Recommendations for a Livestock Trailer with 5 Lug Wheels and 7.00x15LT Tires
    I have a solution for you, but the 7.00x 15 LT tire size you have is a light truck tire size. LT tires should not be used on trailers although some do without issue. Trailer tires are designed with a thicker sidewall that can accommodate higher air pressures and the weight of the trailer load. Trailer tires should also be inflated to their maximum pressure that is stamped on the sidewall. The trailer tires that we carry are not intended to be used at speeds over 65 miles per hour, unless...
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  • Upgrade From 225/75R15 Load Range C Tire to Load Range D Tire on a Horse Trailer
    I'm assuming that your horse trailer is a tandem axle trailer since most are and if that is the case, then your load range C tires are more than capable of handling your trailer and your horses. The ST225/75R15 load range C tire that we carry, Kenda Karrier Tire part # AM10251, is rated for 2,150 lbs at 50 psi. Four of these tires would give you a total capacity of 8,600 lbs. Your gross trailer weight is likely somewhere between 5,200 lbs and 7,200 lbs depending on whether you meant that...
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  • Selecting the Right Trailer Tire for Vintage Trailer Camper
    The tires that were on it, P215, are actually tires meant for passenger cars so replacing them with tires meant for a trailer is a good idea. As for the size, a ST225/75R15 tire with load range of E such as the Karrier # AM10303 would be fine, though you want to check and see if your wheel has the capacity to match the 2,830 lbs at 80 psi capacity of the tire. The tire will also need to fit the wheel, with the aforementioned Karrier fitting 15" x 6", 15" x 6-1/2", 15" x 7" wheels. Should...
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    The tire size for your 1989 Prowler will depend on what model trailer you have. Here is a list of tires and the models they fit. Loadstar ST175/80D13 Bias Trailer Tire - Load Range B # AM1ST74 (721E, 721G) Karrier ST175/80R13 Radial Trailer Tire - Load Range C # AM10199 (725R, 725T) Karrier ST205/75R14 Radial Trailer Tire - Load Range C # AM10234 (822W, 824Z, 825B, 825Y, 821 5B, 824 5C, 825 5X) Karrier ST205/75R15 Radial Trailer Tire - Load Range C # AM10244 (19N, 24C, 24J, 26H, 26T,...
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    There are no industry standards for minimum spacing between the forward and aft tires, and the 3-1/2 inches of space you referred to will be plenty. Should you need the larger weight capacity the larger tires offer, you will be fine upgrading from 205/75R15 to 225/75R15. Something else to consider is the clearance between the inside wall of the tire and the trailer frame because the larger tires will be nearly an inch wider, so be sure you have at least three or four inches of clearance...
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  • Trailer Tires to Replace P235/70-15 Car Tires on a Horse Trailer with Dually Wheels
    You definitely need to replace the tires with trailer tires. Trailer tires are built with a thicker sidewall than car tires to handle more vertical load. The steel wheels are pretty much the same as the black steel wheels such as # AM20514 so they are likely going to be fine. The smallest dually wheels we have are 16 inch, # TA56FR, which uses an 8 on 6-1/2 bolt pattern. On the wheels you have you could likely use a 225/75-15 size which would only be 0.394 inches more narrow and 0.33 inches...
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    The HWT Aluminum Hi-Spec Series 6 Trailer Wheel # AM22651 while having a maximum weight capacity of 2,150lbs, does not have a maximum pressure rating. The tire pressure rating is going to be supplied by the tire manufacturer. The Karrier ST225/75R15 Radial Trailer Tire Range C # AM10251 which fits the wheel you found has the same 2,150lb weight capacity. The manufacturer calls for a tire pressure of 50psi for this particular tire. You always want to use the tire manufacturers pressure...
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  • What Size Trailer Tire Replaces an L78-15 Tire on a Boat Trailer
    A 78-15 is an older tire size and the metric equivalent is going to be either a 205/75-15 or a 225/75-15 depending on the capacity you need to match the old tires. A 205/75-15, load range C, # TTWTRTM2057515C, is rated for 1,80 pounds at 50 psi, and a load range D, # AM10245 is rated for 2,150 pounds at 65 psi. By comparison a 225/75-15 load range C, # AM10251, is rated for 2,150 pounds at 50 psi. A load range D, # TTWTRTM2257515D, is rated for 2,540 pounds at 65 psi. And a load range...
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  • What Size Wheel Will 215/75-15 Tire Fit On
    Based on my research, it looks like a 215/75-15 tire will fit 15 inch wheels that feature a width of 5-1/2 to 7-1/2 inches. With that in mind, a 215/75-15 is not a common trailer tire size so I recommend verifying that your existing tires are designed to be used on your utility trailer. Trailer tires are built with thicker/stronger sidewalls so they can handle the heavy weights of a fully loaded trailer. For a trailer tire in a similar size the Kenda Karrier ST225/75R15 Radial Trailer...
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  • Will Trailer Tire With Higher load Rating Last Longer
    Going to a tire with a higher rated load range will mean you will need a higher psi rating. The problem with going to a higher rated tire is that it may result in a stiffer ride. For example, a Load Range E tire like part # TR225LRE is rated for a maximum load of 2,830 lbs at 80 psi. A load Range C like part # AM10251 is rated at 2,150 lbs at 50 psi and a Load Range D tire like part # TTWTRTM2257515D is rated at 2,540 lbs at 65 psi. I have attached a link to a helpful article about...
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  • Replacing an Old H78-15 Tire with its Modern Equivalent
    The modern equivalent of the H78-15 tires are tires sized at 225/75-15. A good replacement for your tire in this size is the Kenda Karrier 225/75-15 Radial Tire, part # AM10251. This tire has Load Range of C and is a 6 ply (the lowest we have in this size). I've linked to a video review of this tire for you to look at. It's meant for 15" rims, which the inside of your current rim is. The outside of your rim from flange to flange is 16-1/2", but the inside where the tire seats is 15". I...
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  • Can a 215/75-15 Tire Replace a 225/75-15 Tire
    A 215/75-15 tire will fit a 15 inch rim and has a rim width range of 5-1/2 to 7-1/2 inches. A 225/75-15 tire also fits a 15 inch rim and has a rim width range of 5 to 7 inches. Assuming the width of your 15 inch rim is within the 5-1/2 to 7-1/2 inch range of the 215/75-15 tire you will be able to substitute it. Keep in mind, the 215/75-15 is not a common trailer size so you want to make sure it is designed to be used with your trailer. I would look to see if the tire has ST on it for...
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  • Compatible Modern Tire Size for 8.25-15 and 7.75-15 Size Tires
    The tire sizes you mention are considered to be obsolete sizes. The 8.25-15 tire would have an 8-1/4 inch width and a diameter around 28-1/2 inches. The 7.75-15 tire would be around 7-3/4 inches wide with an approximate diameter of 27-3/4 inches. The closest modern tire size to the 8.25-15 would be a ST225/75-15, available in bias ply load range D as part # AM1ST96, or in radial load range D as part # AM10256 or load range C as part # AM10251. A ST225/75-15 would be about the same diameter...
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  • Replacement Tires for LT215/75R15 on a Car Trailer
    The LT215/75R15 tires are 27.7 inches diameter and 8.5 inches wide. The tire options you have are going slightly bigger or slightly smaller. For instance the Provider ST225/75R15 Radial Trailer Tire - Load Range D # TTWTRTM2257515D is 28.31 inches diameter and 8.78 inches wide. It is rated for 2,540 lbs at 65 psi and has a speed rating of 81 mph. That same tire in the smaller size is the Provider ST205/75R15 Radial Trailer Tire - Load Range D # TR20515D which is 7.99 inches wide and...
    view full answer...


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