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Kenda Karrier S-Trail ST145/R12 Radial Tire w/ 12" White Spoke Wheel - 5 on 4-1/2 - LR D

Kenda Karrier S-Trail ST145/R12 Radial Tire w/ 12" White Spoke Wheel - 5 on 4-1/2 - LR D

Item # AM31199DX
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AM31199DX - 5 on 4-1/2 Inch Kenda Tire with Wheel
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Radial tire with automotive-grade tread has an 8-ply rating and a 1,220-lb max load at 65 psi. 12" x 4" Steel wheel has a 5 on 4-1/2 bolt pattern and a corrosion-resistant white powder coat finish. Beveled stud holes keep wheel secure. Lowest Prices for the best trailer tires and wheels from Kenda. Kenda Karrier S-Trail ST145/R12 Radial Tire w/ 12" White Spoke Wheel - 5 on 4-1/2 - LR D part number AM31199DX can be ordered online at etrailer.com or call 800-298-8924 for expert service.
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Kenda Trailer Tires and Wheels - AM31199DX

  • Tire with Wheel
  • 12 Inch
  • 5 on 4-1/2 Inch
  • 145/80-12
  • Load Range D
  • Steel Wheels - Powder Coat
  • Radial Tire
  • Kenda
  • Standard Rust Resistance

Radial tire with automotive-grade tread has an 8-ply rating and a 1,220-lb max load at 65 psi. 12" x 4" Steel wheel has a 5 on 4-1/2 bolt pattern and a corrosion-resistant white powder coat finish. Beveled stud holes keep wheel secure.


  • Tire-and-wheel assembly is ideal for stock trailers, utility trailers, and campers
  • Sturdy steel wheel with 8-spoke design by Dexstar
    • White powder coat over e-coat primer for excellent corrosion resistance
  • Beveled stud holes help to keep wheel securely in place on trailer hub
    • Eliminate the need for constant retightening of lug nuts
  • Karrier S-Trail radial tire
    • Double steel belts and full nylon plies combine for superior function and long life
    • Premium rubber compound materials help disperse heat
    • Radial ply tire is great for highway use
  • 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
  • Assembly meets DOT specifications
  • Wheel is made in the USA


  • Rim dimensions: 12" diameter x 4" wide
  • Bolt pattern: 5 on 4-1/2"
  • Wheel bolt size: 1/2"-20
  • Wheel capacity: 1,250 lbs
  • Pilot diameter: 3.19"
  • Offset: 0
  • Tire size: ST145/R12
    • Section width: 5.7"
    • Outer diameter: 21.3"
  • Tire capacity:
    • Load range: D
    • Ply rating: 8
    • Maximum load: 1,220 lbs at 65 psi
  • Tread depth: 7/32"
  • Maximum speed: 65 mph
  • Warranty:
    • 5-Year on tire
    • Limited 1-year on wheel

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.

Beveled Stud Holes

Beveled Stud Holes Front and Back

The stud holes on this steel wheel are beveled to ensure that the wheel stays tight against your trailer hub. This also eliminates the need to constantly retorque the lug nuts.

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.

Determining the Bolt Pattern

The first number in the bolt pattern is the number of bolt holes. The second number denotes the diameter, in inches, of the circle on which the bolt holes sit.

Bolt Pattern - Odd

To determine the bolt-circle diameter on wheels with an odd number of bolt holes, measure from the center of any bolt hole to the point halfway between the two bolt holes directly across from the first. (Example: "5 on 4-1/2" means 5 bolt holes with 4-1/2" measured to a point halfway between the opposite bolt holes.)

Bolt Pattern - Even

On wheels with an even number of bolt holes, measure from the center of one bolt hole to the center of the hole directly across from it. (Example: "8 on 6-1/2" means 8 bolt holes with 6-1/2" from the center of one hole to the center of another on the opposite side.)

Bolt Pattern - Side

Measuring the distance from the center of one bolt hole on the wheel to the center of a bolt hole right next to it can also help to determine the bolt pattern.

  • If D = 2-5/8", then the bolt pattern is 5 on 4-1/2"
  • If D = 2-3/4", then the bolt pattern is 5 on 4-3/4"
  • If D = 3", then the bolt pattern is 5 on 5"
  • If D = 3-1/4", then the bolt pattern is 5 on 5-1/2"

31199DX Kenda Karrier KR25 S-Trail ST145/R12 Radial Tire with 12" White Dexstar 8-Spoke Rim - 5 on 4.5 - Load Range D

Customer Reviews

Kenda Karrier S-Trail ST145/R12 Radial Tire w/ 12" White Spoke Wheel - 5 on 4-1/2 - LR D - AM31199DX

Average Customer Rating:  4.9 out of 5 stars   (1870 Customer Reviews)

Radial tire with automotive-grade tread has an 8-ply rating and a 1,220-lb max load at 65 psi. 12" x 4" Steel wheel has a 5 on 4-1/2 bolt pattern and a corrosion-resistant white powder coat finish. Beveled stud holes keep wheel secure.

- AM31199DX

Great product! It's hard to find a 12 inch radial trailer tire. For the price delivered to you're door mounted on a rim, you can't beat it. 616912

- AM31199DX

The 2 Kenda Karrier S-trail ST145/R12 Radial Tire w/12" White Spoke Wheel - 5 0n 4-1/2 - LR -D (AM31199DX) tire/wheels were purchased to replace 2 old & worn 6.00-12 tire/wheels on a used boat trailer recently purchased off craigslist. The 2 new tire/wheels were shipped free and arrived within two days of ordering. They were fully inflated and fit the boat trailer perfectly. The new tire/wheels were reasonably priced and the cost free shipping and followup postal tracking and delivery confirmation suggest a very well administered customer service system. Well Done! 433153

The6.00-12 tirewheels are still working well after sitting through a Michigan winter on a boat trailer exposed to snow, rain, etc. Very satisfied with them and again grateful for the free shipping that brought them to me.
Dave C - 09/16/2018


- AM31199DX

Very good customer service. We ordered the wrong tires for our Camper online. I called but the orginal order had already shipped. They were able to get the right tires out and we received both orders the very next day. Took the wrong tires to UPS and shipped them back to them. We were going camping on Friday so having the quick turn around was fantastic. We ordered them on Wednday, received them on Thursday, put them on the camper so we were ready to go on Friday. Great job! We were frantic trieing to find the right tires for out camper and they came through with flying colors. I have told everyone I know that has a trailer or camper about the extra ordinary service. 713337

- AM31199DX

3+ stars for the Product, 5 for etrailer = 4+ Average. As you probably already know, etrailer is a bastion of information about trailer questions and problems. My original 20.5 x 8 - 10s were always too wide for my 1995 Fleetwood Utah pop-up camper, requiring a crowbar to wedge them back into place between the frame and the 7" electric brake hub. In one section on the etrailer website I found someone who had the same problem, and these wheels were recommended (being narrower by about 2.5"), so I ordered three (one for a spare) after measuring my camper carefully. The wheels arrived promptly. Two had some slight wobble to both the rim and tire (runout), but the third was really bad. (I replaced and checked one of my originals - it also had some slight runout; I guess trailer wheels are not perfect?) I called etrailer customer service to explain my dissatisfaction with the one wheel. The rep (who is evidently learning the trade) was not familiar with the term "runout", and twice had to put me on hold to confer with the techs. When I was told I would be called sometime later in the week by a tech, I was worried, anticipating a long drawn-out return process. However, I was very surprised when I was called by the same rep early the next morning and was told that a new wheel was being shipped to me immediately (even before I shipped my wobbler back), along with a printable call tag via email to ship the wobbler back - all for free! That's customer service! The new one also arrived promptly - it has runout about the same as the other two, so I kept it. Lessons here: research on etrailer to solve your problems; mount your wheels carefully and check them for runout before you tow your rig an inch; use a reputable company like etrailer, so if you have a problem, you have some recourse. 445504

NO problems with the tires. Weve put almost a thousand miles on these wheels and they have performed well. No issues Im a happy camper!
tealbingy - 10/23/2018


- AM31199DX


- AM31199DX

Exactly what I needed. Easy website/order pay; estimated delivery date was spot-on. Order tracking was very accurate...I was kept informed throughout the process. I’d recommend etrailer.com and will buy from them again. 854312

- AM31199DX

Have had on my boat trailer for 1 year, about 6000 miles. Show no sign of tread ware or signs of being out of round. 851949

- AM31199DX

Great product, looked everywhere locally with no luck until I called etrailer. Spoke to a great representative who assisted throughout the process and found the right tire and rim color. She actually found what I was looking for, which was not readily found on the website. Very happy! Highly recommended, especially the representative of the company. Very professional and extremely helpful. 849678

- AM31199DX

Fast delivery. Good product. 822704

- AM31199DX

The tires and wheels have worked great on my small trailer. The product is great. 811220

- AM31199DX

Tires arrived just as promised. Looking forward to leaving Monday morning. 805402

- AM31199DX

outstanding service 799856

- AM31199DX

Great tires. Quick delivery and quality. 785029

- AM31199DX

These work great on a 5X8 open trailer. They are quiet and wear much better than bias ply tires. 772843

- AM31199DX

These work great and really are a good upgrade to bias ply tires. No longer checking tire pressure every time the trailer load changes. 772348

- AM31199DX

This is an excellent tire/wheel combo for the price. The tires arrived inflated and ready to go. I only have about 1000 miles on them, but they seem to be wearing well. The tires also held air for the entire year, and only required a small topping off once. They might have lost 3 or 4 psi. 762211

- AM31199DX

I purchased these tires hoping they would perform well under tough situations like long hauls and gravely terrain launch sites. These radials are wearing three times better than previous 10 ply rated bias tires. Excellent product and am well pleased with my purchase. Again thank you . 726030

- AM31199DX

As advertised, delivered on time, Paula was extremely helpful 717905

- AM31199DX

I needed to replace my old trailer tires. I wanted tires and rims. I am very pleased I found this item. This has a slightly higher profile than my former tires that were also 12". I had the room in my wheel well. Not problems installing. 711613

- AM31199DX

Thank you for prompt service and received my order in good condition. 672868

- AM31199DX

I ordered a tire and rim for my camper. It was delivered very quickly. Angela was able to find the tire that I needed quickly which was wonderful, since I had been to 3 tire stores that day and no one could help me. 666712

- AM31199DX

Product was exactly as described and a perfect fit. Arrived very quickly and in excellent condition. 662345

- AM31199DX

Tires arrived on time and in good condition. Fit perfectly. 661291

- AM31199DX

I couldn't find the right tires for my pop up camper locally. I found them easily on etrailer.com's web site. Good price and quality with very fast and free shipping. I will definitely order from etrailer.com in the future and highly recommend them to everyone. 652756

- AM31199DX

Since I live in a medium size city I use the internet a lot to order goods. Recently I concluded I needed new tires for my 1995 boat trailer I use for my Aluma Craft boat. However popular tire sizes have changed substantially since 1995. I had problems finding the right size for my trailer. Plus I wanted to order rims with the tires so I could install them myself. Fortunately I found etrailer.com which had the right size available at a very reasonable price. I ordered and had my rims and tires within a few days. They are in excellent condition and have been installed. What a pleasant ordering experience. I give etrailer.com an A+ for service, availability, and price! 651718

Show More Reviews

Ask the Experts about this Kenda Trailer Tires and Wheels

  • Will Changing Trailer Tires From 530-12 To 145/80-12 Work
    Changing your tires from a 530-12 to 145/80-12 will not cause any issues with the diameter of the tires as the 530-12 tire measures 21.9 inches and the 145/80-12 measures 21.3 inches. The width of the tires differ as well. The 530-12 tire measures 5.3 inches wide and the 145/80-12 tire measures 5.7 inches wide. The Kenda Karrier S-Trail Radial Tire, part # AM31199DX should work well with your trailer. The pilot hole in the wheel really won't matter if you have studs on the hub that...
    view full answer...
  • Compatibility of ST145/R12 Trailer Tire In Place of 4.80 x 12 Tire
    The 4.80 x 12 tires you already have give you an overall diameter of 20.7 inches and width of 4.9 inches. The Kenda Karrier S-Trail ST145/R12 Radial Tire w/ 12" White Spoke Wheel - 5 on 4-1/2 - LR D # AM31199DX give you an overall diameter of 21.3 inches and width of 5.7 inches. This bigger wheel size will give you a 0.8 inch width difference, which when you split that for each side since the wheel has no offset, the inside of your tire will be an additional 0.4 inches. If you have 7/16...
    view full answer...
  • Available 12-Inch Aluminum Trailer Wheel with ST145/80-12 Radial Tire Already Mounted
    Most of the photos I found showing the 2015 Forest River Flagstaff 176LTD pop-up camper trailer show it equipped with 12-inch white steel spoked wheels with the 5-on-4-1/2 bolt pattern, such as # AM31199DX. But we do offer the aluminum wheel you referenced, HWT Series S5 Split Spoke AluminumTrailer Wheel # AM22319HWTB with a ST145/80-12 radial tire already mounted. For this item order part # AM31206HWTB. This wheel/tire combination is rated for 1,220-lbs at 65-psi inflation pressure....
    view full answer...
  • Recommendation For Replacement Boat Trailer Tires
    If you are just wanting to change the tires and have the same rims then they will not work. The Kenda Karrier ST145/R12 Radial Tire, Item # AM10130, fits a 4 inch rim while your current wheels with tires like the Loadstar ST175/80D13 have 4-1/2 inch to 5-1/2 rims. If you are open to changing your wheels and your tires then the change is possible. To change your tires and wheels, I recommend the Kenda Karrier S-Trail ST145/R12 Radial Tire with 12 inch Wheel, Item # AM31199DX. This...
    view full answer...
  • Available Trailer Tires with 5-Bolt Lug Pattern
    The 4 x 12-inch rims you have now for your 4.80-12 trailer tires cannot accept another tire size so in order to use wider tires you will also need new wheels. Since there are several types of 5-lug trailer wheels I have linked you to our main page for all wheel/tire combinations. The most popular 5-bolt type is the 5-on-4-1/2 pattern but the linked article will show you how to confirm which you have. Then simply click on that bolt pattern on the linked page to see options. You can...
    view full answer...
  • Replacement Wheel and Tire for Size 145R12 on 5 on 4-1/2 inch Bolt Pattern
    If you measure the outside of a trailer rim the overall diameter won't necessarily match the size. That's because of the mounting lip. But since we know your tire size is 145R12 we know you have a 12 inch rim. For a replacement wheel and tire in that size the part # AM31199DX would be a great option.
    view full answer...
  • Tire Replacement On Boat Trailer with 155R12 Tires
    We don't have the exact tire size replacement, but as long as you are replacing all your tires, you will be fine with a slightly different size. I recommend the Kenda Karrier S-Trail ST145/R12 Radial Tire w/ 12" White Spoke Wheel - 5 on 4-1/2 - LR D # AM31199DX. This tire will have an outer diameter of 21.3 inches and width of 5.7 inches. If you just want the tire and not the wheel combo, you can use part # AM10130 which will fit 12x4 inch wheel rims. If these dimensions are not close...
    view full answer...
  • Recommended 145/80-12 Radial Tire and Wheel to Replace Bias Tires on 5 x 8 Utility Trailer
    The Kenda Karrier S-Trail ST145/R12 Radial Tire w/ 12" White Spoke Wheel # AM31199DX is the correct model to look at to replace your current Kenda # AM30820. Switching to radial tires is also a very good idea since you are driving on the highway for longer periods of time. The reason for this is radial tires flex a bit more than bias tires as well as run cooler under a load, allowing them to last longer and withstand highway driving. As for the tires, the 145/80-12 tires on the Kenda...
    view full answer...
  • Replacing 155r12-76 Automotive Tires on a Trailer
    A tire marked 155r12-76 is an automotive tire, but we should be able to get you something close. Trailer tires are typically less expensive than automotive tires because they do not have to meet the same safety standards since they are not designed for use on a vehicle transporting people. All trailer tire numbers will start with the letters ST, which stands for Special Trailer Tires. Your 155/12 tires should be 6.1" wide. The closest trailer tire size we offer is ST145/R12, which is...
    view full answer...
  • What is the Difference Between the Kenda S-Trail and Kenda KR25
    I'll start off by saying that the Kenda KR25 which comes on the # AM31206 and the Kenda S-Trail which is on the # AM31199DX are the same tire; I've linked a photo from the manufacturer that explains this. So what it's going to come down to between these two options is the wheel that they're mounted on. The Kenda Karrier S-Trail # AM31199DX are going to be a more basic, white spoke wheel which is just going to give basic rust protection. The # AM31206 are an aluminum wheel that is going...
    view full answer...
  • Recommendation to Replace ST145/70R12 Tires
    You definitely don't want to use different sized tires because it will cause your trailer to sit uneven and will cause uneven wear both on the tires as well as your trailer suspension and who knows what else. I really wouldn't advise using that as a spare unless you are only going to be traveling a very short distance for repairs (like within a mile). I personally recommend going with the tire size 145/80-12 because these come in radial which are much better for highway use than bias...
    view full answer...
  • Determining Correct Tire and Wheel Size for Trailer with 2,000 Pound Axle
    There is not a specific tire/wheel size that is recommended for your trailer, although you are likely limited to a maximum 12 inch wheel size with the hubs for its 2,000 pound axle. I recommend taking a look at the tire size you currently have mounted, which will be located on the sidewall of the tire itself. If there are no tires or wheels present, you can also look for a sticker or plate somewhere on the trailer that might indicate the recommended tire size. Otherwise, you will just...
    view full answer...
  • What Size Tires Are Needed For a 2005 Fleetwood Rushmore Pop-Up
    I do have options for you but we don't have any sort of comprehensive list that shows all trailer tires available for any particular trailer model. However, most pop-up tent trailers this size will use 12" or 13" wheels/tires. The Kenda Karrier S-Trail ST145/R12 Radial Tire w/ 12" White Spoke Wheel part # AM31199DX or the Karrier ST175/80R13 Radial Trailer Tire with 13" White Wheel part # AM31951 are two viable options.That said, so long as you have space and are within the weigh capacity...
    view full answer...
  • Upgrading Axles from 2,200 lbs to 3,500 lbs to Utilize 10 Inch Electric Brake Assemblies
    The 4 hole brake mounting flange will work for 10 inch brakes because the 7 inch and 10 inch assemblies use the same 2-7/8 inch on center mounting holes. The brake assemblies like # AKEBRK-35 or self-adjusting assemblies like # AKEBRK-35-SA will both fit 10 x 2-1/4 inch hubs. The issue you will find is with the 2,200 lb spindles because you won't find the 10 inch hubs compatible, so you will need to upgrade your axles as you stated to the 3,500 lbs axles. We have a couple of options...
    view full answer...
  • Replacement Wheel Tire for Carlisle 145R12C 95/93L
    To replace your Carlisle 145R12C 95/93L wheel/tire I recommend the Karrier S-Trail ST145/R12 Radial Tire and 5-on-4-1/2 wheel part # AM31199DX. This item consists of a Load Range D tire that is rated to 1220-lbs mounted on a white spoked Dexter wheel with the popular 5-on-4-1/2 bolt pattern. If you need a 4-bolt wheel then instead use # AM35351DX. Both are rated for 65-mph.
    view full answer...
  • Can 10 Inch Wheels be Replaced by 12 Inch Wheels on Trailer
    You are smart to move to radial tires and you do not need to make any axle modifications on your trailer you only need to know your wheel's bolt pattern; if it is 4 on 4" or 5 on 4-1/2" you can simply replace your wheels with new 12" wheels. If you are unsure of what your bolt pattern is please take a look at the help article I have added which explains how to determine the bolt pattern of a trailer wheel. Keep in mind you also need to know your Coleman Sequoia's GVWR to get the proper...
    view full answer...
  • Correct Tire Pressure for 5.30x12 Trailer Tires
    In order to realize their full weight carrying capacity, trailer tires should remain at their maximum pressure as stated on the tire's sidewall. When fully pressured up, your current tires have a capacity of 2170 lbs per axle. When you subtract the 1300 lb weight of the trailer, you're only left with 870 lbs for payload. Running at a lower pressure rating reduces the weight capacity of your tires, but the actual capacity is unknown because the tires are tested at the recommended full pressure....
    view full answer...
  • Why Can't 13 Inch Wheels Fit Trailer Hubs Designed for 12 Inch Wheels
    The issue with using a 13 inch wheel on the Dexter Trailer Hub and Drum Assembly for 2,000-lb E-Z Lube Axles # 8-257-5UC3-EZ, which you correctly noted is for 8 inch to 12 inch wheels, is that hubs of that size do not have a large enough flange diameter in order to to provide the necessary side-to-side support for a larger 13 inch wheel. Technically it may fit but it would not be recommended. The best option is to go with smaller 12 inch wheels and tires. For a 5 on 4-1/2" bolt pattern,...
    view full answer...
  • Recommended ST145/R12 Tire with Steel Wheels or Aluminum Wheel with Higher Load Rating
    That particular tire size we only have available in one wheel choice and it is the Kenda Karrier S-Trail ST145/R12 Radial Tire w/ 12" Aluminum Wheel - 5 on 4-1/2 - Load Range E # AM31215. This is because we didn't want to limit the load capacity of the tire. We do have the tire available separately so it can be put on a steel wheel. It is the Kenda Karrier S-Trail ST145/R12 Radial Trailer Tire - Load Range E # AM10140, but your weight capacity will be limited by the steel wheel....
    view full answer...
  • Replacement ST145/R12 Tires and Wheels for 2012 Triton Trailer
    We do have a nice selection of ST145/R12 tire and wheel sets that will work great on your 2012 Triton Trailer. For a Load Range E Tire, we have the Kenda Karrier S-Trail Radial Tire w/ 12 Inch Aluminum Wheel # AM31215. This tire has a 10-ply rating and a 1,520 pound maximum load at 80 psi. The aluminum wheel has a 5 on 4-1/2 bolt pattern and a sharp star spoke design. For the Load Range D options, a lot will depend on the type of wheel you are looking for. For example, the # AM31199DX...
    view full answer...
  • Best Wheels for 2003 Rockwood Freedom Pop-Up and 145R12 Tires
    Based on my research your 2003 Rockwood Freedom pop-up camper will have wheels that are 5 on 4-1/2 inches. Your 145R12 tires will fit any 12x4 inch rim, so I've attached the link to all your options. For a traditional option, I recommend the Taskmaster Steel 8-Spoke Trailer Wheel # TTW240545WS1 which will give you the factory original look. If you want an upgraded look I recommend the Aluminum HWT Series S5 Split Spoke Trailer Wheel # AM22319HWTB which will give you a really...
    view full answer...
  • Is Larger Load Range Tire Okay for 1992 Coleman Trailer
    Yes, you can use a larger load range tire, like a load range E tire on your 1992 Coleman trailer, so long as the tire fits your current wheel and you have enough clearance (3" from the top of the tire to the fender and 1" from the inside of the tire to your frame rail). For example, if you have 12" wheels and your trailer uses ST145/12 tires, you can swap to the Kenda Karrier S-Trail ST145/R12 Radial Trailer Tire - Load Range E # AM10140. If you don't have 12" wheels you will also...
    view full answer...
  • Are Radial Trailer Tires a Better Choice for Small Cargo Trailer
    The # AM31199DX wheel/tire combo you referenced would be a great choice for you. The radial tires will give you a much better highway ride, and because radial tires typically run cooler you'll likely get longer life out of them. The tires will have plenty of capacity for the load you're carrying, and since the tire's diameter is right about the same as the existing tires you're using, you won't have any clearance problems. I've linked you to one of our help articles that contains more...
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  • Recommended Trailer Tires Size 5.70 x 8 for Highway Speeds
    The only 5.70 x 8 sized tire we carry that is a Load Range D is the Kenda K353 # AM10013. It's a bias tire with a maximum capacity of 1,075 at 100 psi. The maximum speed rating on this tire is 65 mph. I don't know what your current tires are rated for but they might say somewhere on the tire's sidewall. You will want to stay within the speed rating. Exceeding it will cause the tire to heat up more than it should which can cause the tire to fail. Radial tires are generally better...
    view full answer...
  • Recommended Wheel For Trailer W/12 inch x 4 inch 5 on 4-1/2 Bolt Pattern
    Since we do not carry any radial tires that are size 5.30-12, the next closest option is a 145/80-12 sized tire. The new tire is about 1/2 inch smaller so it will work great for you. Radial tires are a good choice because they flex more than a bias tire which gives better ground contact, traction, stability, and tread wear. Radial tires generally run cooler than bias tires as well which usually leads to a longer tire life. With your wheel size, you have several options. I recommend the...
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  • Smallest Radial Tire For A Snowmobile Trailer Application
    The smallest radial tire we have is a 12 inch tire. I've done the calculations with the tire on a 12 inch rim and you'd be looking at a little over 21 inches diameter with # AM31199DX. The load rating would right around 1220 at 65 psi with a load rating of D. You would be limited by your axle and not the tire if you are able to fit this large a tire when loaded. The radial tires will run cooler on your long drives.
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  • Replacement Wheel and Tire to Replace 14.5x7 Tire Size
    Probably the best option we would have would be to replace the wheel and tire together. The closest overall diameter wheel and tire we have would be the size 145/80-12 which is overall 21.3 inches. If you need a 4 on 4 inch bolt pattern you would need the part # AM35351DX or for 5 on 4-1/2 inch bolt pattern the part # AM31199DX.
    view full answer...
  • Kenda Karrier S-Trail ST155/R12 Compatibility With 12x4.5 Inch Wheel
    I reached out to the manufacturer and the Kenda Karrier S-Trail ST145/R12 Radial Trailer Tire - Load Range E # AM10140 will fit a 4.5 inch wide rim, however it may change the load capacity as the tire may be stronger than the wheel. If you have a heavy load you are carrying, you may want to have a 12x4 inch rim. We do have some pre-mounted options for that tire: Kenda Karrier S-Trail ST145/R12 Radial Tire w/ 12" Aluminum Wheel - 5 on 4-1/2 - Load Range E # AM31215 Kenda Karrier...
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  • Replacement Tire and Wheels For Size 6.00-12
    I do have some options for you. The closest tires and wheels that compare to the one pictured are our 145/80-12s. I recommend using either the Kenda Karrier S-Trail # AM31199DX, or the Kenda Karrier Black Mod # AM35354; both of these tires have a 1,220 lbs maximum load at 65 psi. I am recommending the tires with the wheels because even though your wheel might be functional, it looks like it is a little beat up around the edges. Keep in mind that you will want to verify that these tires...
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  • Can You Upgrade From 18x8.50-8 Tires to 145/R12 Tires on 1976 Jayco Tent Trailer?
    You may be able to go from a 18x8.50-8 tire to a 145/R12 tire so long as the wheel has the same bolt pattern and you have enough clearance from the fender to the top of the tire; we generally recommend at least 3 inches of clearance from the top of the tire to the fender. We have 145/R12 tire and wheel combinations that may work for you. The Kenda Karrier S-Trail # AM35351DX has a wheel with a 4 on 4" bolt pattern and the Kenda Karrier S-Trail # AM31199DX has a wheel with a 5 on 4-1/2"...
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Info for this part was:

Edited by:
Leah B
Installed by:
Jeff D
Expert Research:
Jameson C
Expert Research:
Adam R
Expert Research:
Jeffrey L
Written by:
Mary E
Updated by:
Isabelle B

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