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Kenda Karrier S-Trail ST145/R12 Radial Trailer Tire - Load Range E

Kenda Karrier S-Trail ST145/R12 Radial Trailer Tire - Load Range E

Item # AM10140
Retail:$160.99
Our Price: $104.76
You Save: $56.23
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Shipping Weight: 14 lbs
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Radial special trailer tire with automotive-grade tread has a ply rating of 10 and a 1,520-lb max load at 80 psi. Designed for highway use. Constructed of double steel belts and full nylon plies. Fits 12" wheels. Great Prices for the best trailer tires and wheels from Kenda. Kenda Karrier S-Trail ST145/R12 Radial Trailer Tire - Load Range E part number AM10140 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 - AM10140

  • 12 Inch
  • Tire Only
  • 145/80-12
  • Load Range E
  • Radial Tire
  • M - 81 mph
  • Kenda

Radial special trailer tire with automotive-grade tread has a ply rating of 10 and a 1,520-lb max load at 80 psi. Designed for highway use. Constructed of double steel belts and full nylon plies. Fits 12" wheels.


Features:

  • Radial ply tire is great for highway use
  • Constructed with double steel belts and full nylon plies for superior function and long life
    • Premium rubber compound materials help disperse heat
  • Automotive-grade, computer-generated tread has sipes that channel water away from the tire to improve traction during wet, snowy, or icy conditions
  • 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
  • Meets DOT specifications


Specs:

  • Fits: 12" x 4" rims
  • Tire size: ST145/R12
    • Section width: 5.7"
    • Outer diameter (when inflated): 21.3"
  • Capacity:
    • Load range: E
    • Ply rating: 10
    • Maximum load: 1,520 lbs at 80 psi
  • Maximum 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.


Karrier S-Trail Radials with Automotive-Grade Tread

Kenda Karrier S-Trail Tread Vs Standard Tread

Unlike standard trailer tire tread, which has solid, continuous ribs, the automotive-grade, computer-generated tread on these Karrier S-Trail radials has ribs with breaks. These breaks allow water to run off to the sides. The Karrier S-Trail tread also has sipes. Siping is a process in which thin grooves (or sipes) are cut into the rubber of the tire. The grooves channel water away from the tread so that the tire makes better contact with the road. Both of these features greatly improve traction during wet, snowy, or icy conditions.


Karrier S-Trail radials are constructed with double steel belts and full nylon plies for increased durability and endurance. The premium rubber compound materials of this tire help disperse heat.


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.



10140 Kenda Karrier KR25 S-Trail ST145/R12 Radial Tire - LR E





Customer Satisfaction Score:


Customer Reviews

Kenda Karrier S-Trail ST145/R12 Radial Trailer Tire - Load Range E - AM10140

Average Customer Rating:  4.8 out of 5 stars   (2170 Customer Reviews)

Radial special trailer tire with automotive-grade tread has a ply rating of 10 and a 1,520-lb max load at 80 psi. Designed for highway use. Constructed of double steel belts and full nylon plies. Fits 12" wheels.

by:

In our fast paced world where customer service seems to be a thing of the past, I am always amazed when shopping on etrailer. Prompt service, fast shipping and people who actually follow-up to ensure that you are satisfied!

This should be your one stop location for trailer parts.

David K.

5/3/2024

Great wheel and tire set. I put a lot of miles on these last season and they are holding up very well.



by:

Excellent shipping packaging, was in stock and arrived on time. Taking the tires to discount tires tomorrow to have them mounted to my rims.



by:

Had a rough time finding tires this small with a load range E. I found Etrailer.com and found the right size. I purchased 2 and they were very quality and shipped in a box u like previous times I've ordered tires they ship just the tire without box. I ended up purchasing a 3rd tire as a spare and will only deal with etrailer.com from now on



by:

Was sent 22 month old trailer tires and was told by etrailer that they couldn’t help me but I could pay shipping to return them.
Alex in customer service told me that it could take 2 years from the time etrailer ordered the tires to receive.



by:

The tires look fine. Only time will tell how good they are. As for the service from Robert at etrailer...wow, excellently took care of my mistake and delivered the goods as needed. Thanks Robert B.



by:

Wear like iron! Towed to Arizona in 115 degree heat at high speeds. I expected them to be pretty worn by the time I got back, since the OEM tires were almost toast just going to the Keys and back. The Kenda tires still looked almost new. Now after about 10k more miles. They still look great.



by:

It’s the only tire to use on my tow dol ly.



by:

They have lasted alot more compare to other tires I have used.



by:

I needed a quality set of tires for my 1959 Lil Loafer camper trailer, the only tires I could find at any tire shop local to me were bias ply and nothing over a load range D. So needless to say those would wear out real fast and not track very will. These Kenda radials will fill the need perfectly. A load range E 10 ply rating will give me the confidence I need when hitting the road. I had them mounted at a local tire shop and took it out for a test run and they sure help the little trailer track nice. Great tire for a little vintage trailer.

Delivery was fast as well, less than a week. The price is fair with the exception of the Canadian exchange on the US dollar. And the website works smooth for orders, I'll be back for other stuff for sure.

Doug K.

5/29/2018

The tires are performing very well. We have a longer trip planned this summer so that will give them a good run, but I’m sure they will be great.



by:

The tires arrived ONE DAY after ordering them. They look good and I am hoping they will perform better than the 'cheap ass trailer tires' I have been using for years. And they have good service and were helpful when ordering.



by:

Got the new tires and had them mounted up. Im glad etrailer had a better small tire for my 5x8 trailer. Ive Had other tire shops tell me 4 or 6ply was the only ply available for the small trailer i had and the farm stores only offered the 4 or 6 ply tire.
Etrailer had 10 ply,radial tires for my need that is rated up to 65 mph on the highway and im very happy. Living on a gravel road, and using the small trailer on the farm i would have flat tires all the time with the old weaker 6 ply tires it came with and they wouldnt last very Long if used them on the pavement.

James

9/7/2019

Still going strong. No flats and tread wear is still doing great also. Id say theres only about 1000 miles on them as i dont use the trailer every day but i did use it on my farm where the other tires wouldnt last long before getting a flat from a cut off tree stump or thorns. I will buy again when needed and have told plenty other people about the tires and where to get them.



by:

I had a small 4 x 8 trailer that I beefed up the suspension and framework so that I could haul dirt on it I've been hauling dirt on it for a year now with those tires approximately 2500 to 3,000 pounds



by:

Received tires very quickly after order was placed. E-trailer has never disapointed me yet. Their prices may be slightly higher than other vendors but they more than make up for this with their service.

Robert L.

8/19/2023

A+ You cannot go wrong with these tires.



by:

After two seasons on my tandem axle boat trailer (5100 lb combination) I’ve been very happy with the tires. I have about 5k miles on them and they are holding up nicely. Highly recommend, far better performance than what I got out of the factory supplied tires (tread separated and broken cords after 2 years on factory tires)



by:

The tires were delivered extremely fast and immediately the quality was noticeable. I recommend this brand and this website 100 percent and after running thru 2 brands in one month these tires saved my business. I will not shop anywhere else for my tires



by:

I am 100 percent happy with the tires and rims, they are exactly what I was looking for. In the last year I have purchased 4 new 6 ply bias tires due to the new tires I had purchased the year before blowing out with a load. I purchased the 10 ply radial tires with the new rims for a new look and better reliability. The trailer pulls great and the tires and wheels handle excellent. These are great products that I couldn't find anywhere else. Thanks etrailer.



by:

I bought this tire because of its Load Range E rating. It has performed well and I would recommend for any trailer that has tire size physical space constraints, yet needs for a greater load rating.



by:

This is the second pair of these ST 145/12 radial I have purchased for my vintage 1959 Lil Loafer trailer. After taking the first pair on a couple of short trips I realized I did not have a radial spare, only my old bias ply tires. Since I don't want to mix radial and bias I figured I should buy another pair for spares, (in spite of the exchange rate on the Canadian dollar and the cost of shipping to Canada). Still loving these tires in comparison to the bias ply, we are planning a longer trip still this year so that will be a good test.

Oh, I even reused the packaging to protect my bench top while repacking the bearings.



by:

Good quality tires at a reasonable pric e.



by:

I just received the tires today and haven't had them mounted yet so all I can is they look great. Summer before last, we took our pop up camper out West through 18 states in about 60 days. All of our camping up that point had been around Florida where we live, so no long road trips. On our out West trip we had 4 blowouts on our little pop up camper and since we were on the road, we would pick up tire/wheel assemblies from Wal-Mart or Harbor Freight. Did not really know what else to do. Experience has taught us better and that's why I ordered these load range E, 65 mph, 10 ply rating tires. The proof is in the pudding as they say, so in the fall, we will find out how good these tires are and I will write a full review then.

Joseph

4/4/2020

Very happy with these tires. Took another long trip last year, Florida to Maine, back home, then to Alabama, Ga and home. Towed 65 mph. No tire problems at all. What a relief!



by:

Great tire !Replaced the same one I had on my trailer . This tire offers a smooth ride . This is the only tires I would buy and has the best ply and speed rating . Definitely recommend .



by:

After one year, they're still round and have plenty of tread. No leaks. Decent tires.



by:

I love doing business with e trailer . Customer service is exceptional. Eric is a top notch 5 star customer service representative!



by:

Very good service



by:

Great wearing and dependable tire. Always had issues with nearly new trailer tires blowing out until I switched to these on all four of my trailers, and in thousands of miles have had zero failures.


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Show More Reviews

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

  • Recommended ST145/R12 Replacement Tire for Camper
    If you replace your existing ST145/R12 tires with 4.80-12 tires like the # AM10062 Kenda K353 Bias Trailer Tire - 4.80-12 - Load Range C they will fit the same 12 inch wheel with a 4 inch width. The 4.80-12 tires will be about 0.8 inches smaller in diameter. However, this is not necessary since we have ST145/R12 replacement tires. I recommend the # AM10140 Kenda Karrier S-Trail ST145/R12 Radial Trailer Tire. This tire has automotive-grade tread and has a ply rating of 10 with a 1,520-lb...
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  • Do All ST145R12 Trailer Tires Have The Same Load Rating?
    No, not all 145R12 trailer tires have the same load rating. There is not a specific heat rating for tires, but the load rating is what diferenciates trailer tires. The highest rated 145R12 trailer tire is the Kenda Karrier S-Trail ST145/R12 Radial Trailer Tire - Load Range E # AM10140 you were looking at which has a load rating of 1520lbs per tire at 80 PSI. Since you are having multiple blow outs I recommend double checking that you are not overloading the tires. You will want to take...
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  • Will Higher Load Range Tires on 2017 Coachmen Clipper Be Beneficial
    You can definitely replace the load range D tires on your 2012 Coachmen Clipper with the Kenda Karrier S-Trail ST145/R12 # AM10140. The higher load range will result in the tire lasting longer so there is a benefit. The load range E tires have a higher ply rating so they're a bit stronger and will run a little cooler increasing the life of the tire.
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  • Replacement 20.5x8-10 Boat Trailer Tire Recommendation
    If you are looking to replace your current 20.5x8-10 tires, I suggest the Kenda 205/65-10 Bias Trailer Tire with 10" Galvanized Wheel - 5 on 4-1/2 - Load Range E # AM3H490. This will have a galvanized wheel, 1,650 pounds of capacity at 90 psi, and an N speed rating (87 miles per hour). This will be fully mounted and ready to go when received.
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  • Is Kenda Karrier S-Trail ST145/R12 Available Mounted on Wheel with 4 on 4" Bolt Pattern
    While we do carry the Kenda Karrier S-Trail ST145/R12 Radial Trailer Tire - Load Range E (1,520 lbs at 80 psi per tire) # AM10140, we unfortunately don't have this specific tire pre-mounted to a wheel that has a 4 on 4" bolt pattern. Since all of the 12" wheels that have a 4 on 4" bolt pattern have lower weight capacities (1,250 lbs at the most) I recommend checking out the Kenda Karrier S-Trail ST145/R12 Radial Tire Load Range D (1,220 lbs at 65 psi) w/ 12" White Spoke Wheel # AM35351DX....
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  • Recommended Suspension Components for 2014 Flagstaff MAC 206 LTD Camper
    To help you with the replacement parts you need, you will need to measure your springs from eye to eye. We have the 3-Leaf Double-Eye Spring for 2,000-lb Trailer Axles - 20-3/8" Long # e84SR, the 4-Leaf Double-Eye Spring for 2,000-lb Trailer Axles - 26" Long # e77SR, or the 3-Leaf Double-Eye Spring for 2,000-lb Trailer Axles - 23-1/2" Long # SP-113275. If you are replacing one hanger, then you will need to know the dimensions. I have attached the link to your options. If you are replacing...
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    Image 1 for
  • Can 12 inch Trailer Tire Be Upgraded to 13 inch Trailer Wheel and Tire
    An ST145/R12 tire like the Kenda Karrier S-Trail # AM10140 measures 21.3 inches in diameter when inflated and is 5.7 wide. The smallest 13 inch tire is ST175/80R13 quite a bit bigger, measuring 24.1 inches in diameter and 7 inches wide. You'll need to measure to determine if you have clearance. If so, and if you have a 5 on 4-1/2 inch bolt pattern there are a number of options available for this tire with different styles of wheel (if you are unsure of your exact bolt pattern you can...
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  • Are 15 Year Old Tires Safe to Use or Should They be Replaced
    The rubber in tires degrades over time, even if they have never seen the light of day; a tire should not be used if it is older than six to ten years (depending on who you ask). Either way a 15-year-old tire is not safe to use so you should avoid the danger and replace it with a ST145/12 tire, the Kenda # AM10130 (load range D) or Kenda # AM10140 (load range E).
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  • Do Trailer Tires have a Wear or Mileage Rating
    No, trailer tires like # AM10140 typically do not have a wear or mileage rating on them. The treads do have the wear indicators that you can see in the picture I have included.
    view full answer...
    Image 1 for
  • Trailer Tire Recommendation for Size 145R12
    In your tire size of 145R12C the only option we have is a Load Range E actually with part # AM10140 that should work great for you as it has more weight capacity than you'd need at 1,520 lbs at 80 psi.
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  • Kenda Karrier S-Trail ST145/R12 Radial Trailer Tire # AM10140 Speed Rating
    The Kenda Karrier S-Trail ST145/R12 Radial Trailer Tire # AM10140 that you referenced has a 65 mph speed rating. While we don't have an exact replacement for your tire this will work great for you.
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  • How To Determine Fit of the Kenda Karrier S-Trail ST145/R12 Radial Tire and 12 Aluminum Wheel
    The Kenda Karrier S-Trail ST145/R12 Radial Trailer Tire - Load Range E # AM10140 will fit on the # LH45FR wheel. This wheel is designed to be used with 5 on 4-1/2" trailer hubs which are the most common. In regard to weight, both the tie and the wheel have a 1,520 lb capacity so on a tandem axle trailer that gives you 6,080 lbs which is plenty. Therefore, if the size is correct, they will work well for you. In regard to lug nuts, you'll need the long acorn closed style part # AM90049...
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  • Radial Trailer Tire to Replace 5.30-12 Recommendation
    In the 5.30-12 size we only have bias ply options. For a similar size that would work that is radial we have the ST145R12 like the part # AM10140 which would work really well. This will fit the same wheel size.
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  • Replacement Trailer Tires for a Sea King Boat Trailer with 155/80-12 Tires
    A 155 indicates 155 millimeters or 6.107 inches wide. A 155/80-12 is not a trailer tire size or at least not common. The closest match is a 145/80-12 such as # AM10130 for a load range D rated for 1,220 pounds at 65 psi. Or # AM10140 rated for 1,520 pounds at 80 psi. These tires will fit on rims that are 4 inches wide measured on the inside where the tire sets. For a steel spoke 12x4 with 4 on 4 bolt pattern use # AM20122.
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  • Replacement ST145/R12 Tires
    I recommend the Kenda Karrier S-Trail ST145/R12 Radial Trailer Tire # AM10140. This tire has a maximum load of 1,520 lbs at 80 psi and a maximum speed of 65 mph. It comes with a 5-year warranty and 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. If you need a higher speed rating, then I would choose the # AM10130 instead. This has a lower maximum load of 1,220 lbs at 65 psi. The speed rating for this tire is...
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  • Trailer Tire Size to Replace 185/60R12
    That tire size is not a standard trailer tire size so the best option is the closest trailer tire size ST145R12 like part number # AM10140. It's not recommended to use a passenger vehicle on a trailer so it's important to use a tire rated for trailer applications like this.
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  • Tougher Tires to Use in Place of 5.30-12 Tires on a 2007 Fleetwood Yuma Pop-up Camper
    Trailer tire # AM10068 which is a 5.30-12 load range D will have a higher capacity, 1,250 pounds at 105 psi, than a C load range. And it will have a higher ply rating, 8, which translates into a tougher tire. Please note that the higher capacity tires will not increase the capacity of the trailer. You might actually want to go to an ST145/12 tire, # AM10140. This is a load range E tire that will fit the same wheel size as a 5.30-12. It has a 10 ply rating and is rated for 1,520 pounds...
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  • Replacement ST145R12 Tire And Rim Combo With A 5 On 4-1/2 Inch Bolt Pattern
    Though we do not have a ST145R12 Tire on a white modular wheel, we do have The Kenda Karrier S-Trail ST145/R12 Radial Tire w/ 12 inch Galvanized Spoke Wheel # AM31202. This tire and wheel combo has a galvanized wheel which will provide a superior protection from rust and corrosion way better then a white wheel. The tire has a Load Range D with a ply rating of 8 and has a maximum load up to 1,220 pounds at 65 psi. The tire has a maximum speed of 65 mph. You can separate the combo and...
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  • Availability of 4.80 X 12 Tire that Fits 4 Inch Wheel
    The closest metric trailer tire size to a 4.80x12 is going to be a 145/80-12. The two tires we have in that size are # AM10140 and # AM10130. These tires fit 12" x 4" wheels. # AM10130 has a maximum load capacity 1,220 lbs at 65 psi # AM10140 has a maximum load capacity of 1,520 lbs at 80 psi. I have included demonstration videos of these tires for you to check out.
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  • Can Kenda Karrier S-Trail ST145R12 AM10140 Be Mounted On Standard Trailer Wheel Then Shipped?
    You can order a standard trailer wheel like the # AM20151 with the common 5 on 4-1/2" bolt pattern or the # AM20122 with the 4 on 4" bolt pattern and have a local tire shop mount the Kenda Karrier S-Trail ST145R12 # AM10140 to the wheel for you. We do not have the equipment to do the mounting ourselves. The combinations we offer are shipped to us that way from the manufacturer. I included videos of the products mentioned for you to take a look at.
    view full answer...
  • Can 145/12 Trailer Tires be Used in Place of 5.30-12 Trailer Tires
    The difference in section width between a 5.30-12 and a 145/12 is just 0.1 inches. Only half of that is applied towards the trailer. On wheel and tire combo # AM35354 the wheel is a black mod wheel with a zero offset meaning that the mounting surface of the wheel is in the dead center equal distance from either sidewall. Both tire sizes fit the same wheel size so if you just wanted to go to radial tires then you could use # AM10130 for a load range D rated for 1,220 pounds at 65 psi. Or...
    view full answer...
  • Troubleshooting 12 Inch Trailer Tires that Have Worn Out After 1,000 Miles
    Without knowing more about how the tires are wearing and what tires you have it's hard for me to say why your trailer tires are wearing like they are. It doesn't sound like they are overloaded so the first thing I would check is the tire pressure. Trailer tires should always be inflated to their max psi to ensure they get the max amount of mileage for the tires. Another place I would look is at the suspension components of your trailer. Worn out suspension can cause tires to wear strange....
    view full answer...
  • Aluminum HWT Wheel Compatibility With Timbren Axle-Less Trailer Suspension System With Hubs
    The Timbren Axle-Less Trailer Suspension System with Hubs - 5 on 4-1/2 - Off-Road Tires - 1,200 lbs # A12WS545 is compatible with the Aluminum HWT Series S5 Split Spoke Trailer Wheel - 12" x 4" Rim - 5 on 4-1/2 # AM22319HWT. With these wheels you most likely want valve stems # AM20903. For tires, I recommend the Kenda Karrier S-Trail ST145/R12 Radial Trailer Tire - Load Range D # AM10130. You may also be interested in the Trailer Wheel Center Cap, 3.19" Pilot Size # 319EZ for that...
    view full answer...
  • Will Karrier S-Trail ST145/R12 Radial Trailer Tire # AM10140 Fit on 4-Inch Rims
    Both tire sizes you referenced, 5.30-12 and ST145/R12, fit on the same 4-inch width rims. Both tire sizes have an overall diameter when inflated of a bit over 21-inches. The linked article on tire sizing may be of interest to you. Switching from a bias ply to a radial tire offers several advantages. A radial tire flexes more than a bias tire, giving it better ground contact, traction, stability, and tread wear. A radial tire will normally run cooler than a bias ply tire, especially when...
    view full answer...


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