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Karrier ST175/80R13 Radial Trailer Tire with 13" White Wheel - 5 on 4-1/2 - Load Range D

Karrier ST175/80R13 Radial Trailer Tire with 13" White Wheel - 5 on 4-1/2 - Load Range D

Item # AM31985
Our Price: $154.08
Trailer Tires and Wheels
Shipping Weight: 32 lbs
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AM31985 - 175/80-13 Kenda Trailer Tires and Wheels
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Radial tire has a ply rating of 8 and a 1,650-lb maximum load at 70 psi. The 13" diameter x 4-1/2" wide steel trailer wheel features a 5 on 4-1/2 bolt pattern and a corrosion-resistant powder coat finish. Great Prices for the best trailer tires and wheels from Kenda. Karrier ST175/80R13 Radial Trailer Tire with 13" White Wheel - 5 on 4-1/2 - Load Range D part number AM31985 can be ordered online at or call 1-800-940-8924 for expert service.
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Kenda Trailer Tires and Wheels - AM31985

  • Tire with Wheel
  • 13 Inch
  • 5 on 4-1/2 Inch
  • 175/80-13
  • Load Range D
  • Steel Wheels - Powder Coat
  • Radial Tire
  • M - 81 mph
  • Kenda

Radial tire has a ply rating of 8 and a 1,650-lb maximum load at 70 psi. The 13" diameter x 4-1/2" wide steel trailer wheel features a 5 on 4-1/2 bolt pattern and a corrosion-resistant powder coat finish.


  • Kenda Karrier special trailer radial tire
    • Special trailer tire design
      • Couples the strength of a bias tire with the durability and stability of a radial tire
      • 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 life
    • Computer-generated tread design and premium rubber-compound materials
      • Superior traction in wet or dry conditions
  • Steel wheel has 8-spoke design
    • Resists rust with e-coat and white powder coat finishes
  • Tire-and-wheel assembly meets Department of Transportation specifications


  • Rim dimensions: 13" diameter x 4-1/2" wide
  • Bolt pattern: 5 on 4-1/2"
  • Wheel capacity: 1,660 lbs
  • Wheel bolt size: 1/2"-20
  • Offset: 0
  • Pilot diameter: 3.19"
  • Tire size: ST175/80R13
    • Section width: 7"
    • Outer diameter (when inflated): 24.1"
  • Tire capacity:
    • Load range: D
    • Ply rating: 8
    • Maximum load: 1,650 lbs at 70 psi
  • Maximum speed: 81 mph (speed rating M)
  • 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.

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"

31985 8-Spoke 13" White Wheel and Karrier KR03 Radial Tire - LR D

Replaces Americana 31985DX

Customer Satisfaction Score:

Customer Reviews

Karrier ST175/80R13 Radial Trailer Tire with 13" White Wheel - 5 on 4-1/2 - Load Range D - AM31985

Average Customer Rating:  4.8 out of 5 stars   (5414 Customer Reviews)

Radial tire has a ply rating of 8 and a 1,650-lb maximum load at 70 psi. The 13" diameter x 4-1/2" wide steel trailer wheel features a 5 on 4-1/2 bolt pattern and a corrosion-resistant powder coat finish.


Great fit ,excellent paint on wheels ,tires were nice looking too...thanks



Absolutely perfect...dependable and have several hundred miles on them now ...and still look new


Great products and very good prices on quality tire. Quick shipment and boxed very nicely. Fit on trailer hub perfectly. Videos really helped me measure hub lugs and explain ply difference and load range differences. I have a better product which will haul more.
I will be buying a hitch and wiring for another car and the videos show me how easy it is to install. Companies around here want up to $400.00 to install. Thanks for the service will be back



The tires are perfect on my trailer. Hardly ever lose air and so trilled to have good rubber when I go across town. Really easy process on buying tires with a rim. No waiting at store installer and helped me learn to change my own tire. I tell people even lately about this business and how wonderful the experience has been. I used to have a raggedy $150.00 yard trailer someone built and neighbors would borrow until last neighbor called and told me he arrived with only the hitch clasp. Bought me a good trailer later and updated the wheels and tires and don’t worry about accidents so much when pulling a load. Thanks for helping me improve my responsibilities towards others on the road


I bought these for my 2001 Starcraft pop up, that fully loaded was pushing the max load limit of the load range C tires, and I didn't have clearance for larger wheels and tires. These load range D tires are just what I needed since they have a 250 lb higher limit on each tire. I ordered these on a Saturday afternoon and they were delivered three days later.



where are these tires Kendra manufactured ?

Patrick B.


They are typically either manufactured in China or Taiwan.


I ordered these tires for my boat trailer. Have not been anywhere yet but I do a lot of fishing all over Tx.I have had several flats and I believe these tires will elimiinate some. Better load range



no flats or low tires. so far so good


Tires were perfect for the trailer, replaced boths sides and now the trailer rolls so smooth along the drive that I hardly think I am towing a boat behind me. Gave me an extra spare tire as well.

Tommy X.


Product works as promised. Still rolling after a year with no hiccups.probably can get through two more seasons without changing the tires.


I purchased this tire/wheel combo to replace my older bias-ply tires and wheels on my camper. I upgraded to these radials because I do tow my camper on the highway. So far, so good. I’ve only taken these tires out camping a few times - but the trailer is pulling great and the tires seem to be wearing fine. I’d also like to note, that I asked multiple questions to the etrailer folks before buying these. As always, etrailer responded quickly and were very helpful in my decision making. This wheel/tire combo was fairly priced, and I got them within a few days of ordering them.


My order for new tires and rims and other accessories came days earlier than it was supposed to, which made me happy. I did find a damaged item,I contacted them and they were getting a replacement in the mail ASAP. I think their customer service is tops.


I purchased Loadstar 5.30 12 Bias Trailer Tire 5 on 4 1/2 Load Range C . I failed to notice that it was a Bias Ply which only has a Load Range C at 65 mph. I got back with etrailer for a refund and replace them with a 175 13 Radial that has a Load Range D at 81 mph . It was a hassle free Exchange. Of course they deducted shipping on my refund. Make sure that's the item you want it will save you on shipping cost on your return. Overall I'm very happy with the Tires and rims and they fit perfectly. Very good customer service. I received them in three days. I would recommend this company. 5


Several hundred miles after one year and the tires and rims are holding up great on rough roads and loading just below the maximum weight rating.



Another year and two cross-country trips later, tires and rims are still doing great. I keep the trailer loaded near maximum allowable weight.


5500 miles on an extended camping trip through 7 national parks and three monuments from Missouri to California. Put a new set (4) of Kenda tires and wheels on my restored 1991 Sunlight trailer and had no problems whatsoever. Would not hesitate to recommend.


These arrived quickly and look good. I ordered them mid August, 2022, and the date codes on the tires were 1422, and 3621. So one was about a year out from the manufacture date while the other was quite new.


The tires and rims package we selected,Karrier ST175/80R 13 radial tire with White spoke wheels, came in three days among other holiday gifts thanks for the prompt shipping. We found the quality amazing for the price .These rims and tires are replacing six year old rusted out and dry rotted ones.Perfect fit on our snowmobile trailer. Thanks again.


Tires look great. Nice to see the rims were made in the USA. Will be making our first trip with the new tires soon


Put the tires/wheels on pop up camper. About 1000 miles so far, no issues, still looks good and rides smoothly. Good tires.


Wonderful customer service! Tires arrived right on time and were exactly what I needed for my trailer!


The tires went right on without any problem,the taillights are from etrailer also.
One of the taillights was broken during shipping and they sent another one right away at no additional charge.
I will be purchasing more from them as i keep this oldie rolling.


Fast delivery, tire and package arrived without damage and correct.


Very nice tire and wheel. Was east transaction. Sipped fast. Exactly what I needed.


Just as described and we'll packaged. They came quickly and make the travel trailer tow much better. Thank you


Put these radials on my 21 ft boat trailer for better ride and tire life. They arrived at my house within a few days of placing order and have improved ride. Look great too. Nice to do business with a company that delivers superior service!


Great stuff, shipped fast and free, great pricing and quality products.


A high-quality wheel and tire that arrived fast and in excellent condition.


These are great tires and shipping is really fast.


Megan G. in customer service assisted me in getting the tires/wheels I needed for my fishing boat trailer. Now, in the scheme of all things important, I think we all know how critical preparedness is when speaking of fishing gear.

Imagine me with my trailer on jack stands and seeing all the other boats out on the lake hauling in their limits of salmon and lake trout. This cannot stand.

Megan followed up with phone calls and email to ensure all my transportation needs were met and did so with grace, friendly and capable service. I have purchased from etrailer before and will continue doing so. BTW, the wheels and tires are perfectly fine and were shipped in a smart cardboard overwrap and arrived right on time, if not earlier than expected. Thank you Megan and to your support team. They are on my trailer and I am rolling today.

Goin F.


They have been a disappointment. They have rusted, and I would not buy them again. I would surely buy from etrailer, but not that brand of wheels.


Thanks for the excellent customer service as always. I was happy to find a radial tire with a greater load capacity than my camper came with. The OEM tires were bias-ply and were too close to their load rating, wearing out their inner and outer most tread blocks prematurely. For now, the towing experience only changed my peace of mind. Hopefully I will see better than 2000 miles out of these tires. I did have this set balanced, and they required a substantial amount of weight. Please check back in the summer of 2017.



Great! This tire is rated for a heavier load than the OEM tires on my camper. The OEM were borderline without adding gear to my camper. I went through two sets of the OEM before switching to these. This set is holding up much much better. I am thankful that etrailer offers this tire for my needs.

Show More Reviews

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

  • How to Determine if Wheel is Hub Centric or Lug Centric
    Since you mention that the bolts are pressed in with nuts to hold the wheels on, it sounds like you have lug centric wheels. Lug centric wheels slide onto studs on the hub and are secured with lug nuts. If a wheel is hub centric, the wheel centers on the hub and bolts are threaded into the hub to secure the wheel. If you can provide me with your axle capacity, tire size, and bolt pattern I would be happy to assist you in finding a wheel that will work for you.
    view full answer...
  • Difference Between a ST175/80D13 and a ST175/80R13 Trailer Tire
    The difference between the letter D in your ST175/80D13 and the R in the tire size of the Wheel and Tire ST175/80R13 part # AM31985 that you referenced is the tire construction. D stands for bias-ply which is a less preferred tire construction, whereas R stands for radial. Because of the construction of a radial tire, the tire has more flex and will allow for more ground contact. That will improve traction and better tread wear. It also gives the radial tire better stability. The radial...
    view full answer...
  • Do Tire and Wheel Combination Need Further Balancing Before Installing On Trailer?
    The Karrier ST175/80R13 Radial Trailer Tire with 13" White Wheel - 5 on 4-1/2 - Load Range D # AM31985 do not need further balanced. They come ready to be installed and used. Just make sure the air pressure is at the 70 psi listed on the tire as the max when filled prior to your trip and you'll be good to go.
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  • Replacing Tires and Wheels on a Texture Spray Rig to Reduce Bounce When Towing
    I am certain that the tires currently on your trailer are causing your problems. Those tires have two different widths and diameters and should not be used together. I would recommend replacing both tires with two of the same tires because both of your current tires will have uneven wear. There are a few things to look at before choosing the correct tire and wheel combination for your trailer. The main factors to consider is the axle weight capacity and the bolt hole pattern of your current...
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  • Changing from a ST205/75D15 Tire and Wheel to a ST205/75D14 Tire and Wheel on a Trailer
    The main factors that you will want to take into consideration when moving from a st205/75d15 tire and wheel to a st205/75d14 tire and wheel is the weight capacity of the smaller tire and wheel and the bolt pattern. The weight capacity of a trailer tire is divided into load ranges, B, C, D, E, or F, however, tires with the same load range will have different weight capacities for different size wheels. For example, a load range C tire for a st205/75d15 tire and wheel will have a weight...
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  • Torque Rating for Lug Nuts on a Camper Trailer
    In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.
    view full answer...
    Image 1 for
  • Replacement Tire for 1994 Coleman Pop-Up Camper in 205/8-10 Tire Size
    I believe the tire size you are looking for is a 20.5 x 8-10, which is an obsolete tire size. The closest modern tire size would be a 205/65-10. The two sizes would be pretty similar in size, but we highly recommend replacing both tires on an axle at the same time. Having two tires with different sizes (even if they are pretty close) and tread patterns can have a negative effect on how the trailer tracks down the road. You could replace two tires and then save the one your Dad purchased...
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  • Increasing Wheel and Tire Size to Increase Trailer Ground Clearance
    By going with the 5.3x12 tire, you will gain 1/4 inch in width and 3.8 inches in diameter which would gain you approximately 2 inches of additional ground clearance. Other than having to move or modify your existing fenders, going with the larger tire size will work just fine for you.
    view full answer...
  • Which 10 inch Hub Drums Can Fit Behind a 13 inch Trailer Wheel
    For 10 inch hub drums 13 inch wheels like the part # AM31985 can fit over them depending on what hubs are used on the trailer. We offer several 10 inch hubs that will work with 13 inch rims (see link), but not every 10 inch hub will fit behind a 13 inch wheel. You will need to check out the link I attached to see if your hub is on that page. If so the part # AM31985 would fit and work well.
    view full answer...
  • How to Determine Correct Replacement Trailer Tire Size
    I don't have the specific information, but I can tell you how to determine what tire size you would need. If you check the plate on the trailer frame near the coupler there will the VIN, axle capacities, as well as the trailer tire size and Load Range recommended. Or, if you can't find that info you can look at the size of the tires that is listed on the sides of the current tires you have and go with the same ones. I attached a picture that shows what the size will look like. I attached...
    view full answer...
    Image 1 for
  • What is the Minimum Clearance Between Tires on a Dual Axle Gooseneck Trailer
    Normally, at the very least, there should be 2 inches between the tires on a dual axle trailer. This will allow the suspension components room to work properly. Also, if the axles are too far apart, the tires are more likely to drag some when turning.
    view full answer...
  • Could a 4.80-12 Wheel and Tire be Replaced with a ST175/80R13 on a Pioneer Pop up Camper
    You would be increasing the overall diameter of the tires from 20.5 inches to 24.1 inches if you went with the part # AM31985 that you referenced. If you have room for 1.8 inches less of fender clearance then the wheel and tire you mentioned would fit just fine.
    view full answer...
  • Troubleshooting the Removal of Tire and Wheel Rim on Old Trailer
    Whether your trailer has wheel bolts or lug nuts they will still remove in the same way about 99 percent of the time so you would simply use a tire wrench or what is called a breaker bar with a socket. For increased leverage sometimes a longer bar or pipe is needed to assist. You may want to use a penetrating oil or WD-40 at the closest part of the lug nut or wheel bolts to the threads. Then a little vibration from a rubber mallet or other hammer that won't damage the components The...
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  • Would Trailer Tire Karrier ST175/80R13 Load Range D Have Capcity for 2,600 lb Trailer
    The Karrier ST175/80R13 Radial Trailer Tire with 13" White Wheel - 5 on 4-1/2 - Load Range D # AM31985 has an individual capacity of 1,650 lbs at 70 psi so it would easily have enough capacity for your 2,600 lb trailer.
    view full answer...
  • Will Karrier Tire/Wheel Combo Load Range D Replace Same Size Tires That Are Load Range C
    The easiest way to make sure the Karrier ST175/80R13 Radial Trailer Tire with 13 inch White Wheel, part # AM31985 will work with your trailer is to take a quick measurement. The # AM31985 measures 24.1 inches when inflated. Just use a yardstick or a tape measure and measure the height of the tires you currently have on the trailer. If they measure 24.1 inches or more then the AM31985 would be a great replacement for you. The wheels with this combo have a 5 on 4-1/2 bolt pattern and has...
    view full answer...
  • How to Find Replacement Wheel Tire Combo for a Boat Trailer
    We most likely have the correct wheel and tire for you to use on your boat trailer, but without knowing the tire size I can't really say for certain what you would need. You will need to get the size that is listed on the sidewall and we can go from there. I attached a picture of what the size will look like as well as a link to a page that has all of the wheel and tire combos we offer. You will want to select your size from the filters on the page and all of the correct products we offer...
    view full answer...
    Image 1 for
  • What is the Speed Rating for the ST 175/80R13 Radial Trailer Tire
    The ST rated wheel and tire combination you referred to, # AM31985, is rated for 65 miles per hour which meets DOT standards for trailer tire applications. Unless otherwise noted all ST (special trailer) tires that we carry are rated for 65 miles per hour.
    view full answer...
  • What is the Speed Rating for Kenda Karrier ST175/80R13 Tire and Wheel # AM31985
    The Kenda Karrier ST175/80R13 Radial Trailer Tire with 13 Inch White Wheel # AM31985 referenced in your question has an excellent maximum speed of 81 mph. This is a really nice, durable radial tire and wheel combo that features a maximum load of 1,610 pounds at 65 psi. It includes a limited 2-year warranty. This is the highest speed rating for the ST175/80R13 sized tire in the Load Range D that we have available.
    view full answer...
  • Can Larger Wheels And Tires Be Put On 2005 Fleetwood Popup With 12 Inch Tires
    You can move to 14 inch wheels and tires but there are a couple of things you need to be cautious of. One is the clearance you have by installing bigger wheels. You will want to make sure you have at least 3 inches of clearance above the tire tread when under a full load (or at max deflection of the spring - max deflection is usually 1.5 - 2 inches for leaf springs) and a couple inches between the inside wall of the tire and the closest part of the trailer. You want to make sure you match...
    view full answer...
  • Do the Wheels in The Tire/Wheel Combo AM31985 Come with the Blue and Red Pin Stripes
    We have just recently taken photos of the actual part so that we can replace the Typical Photo image. The pictures are in the editing process, but I verified with our Photo Team that the AM31985 wheels do indeed have the red and blue pin stripes. I also ran out to the warehouse to double check and the AM31985 do have the stripes.
    view full answer...
  • Does Karrier ST175/80R13 Trailer Wheel and Tire AM31985 Need to be Balanced
    The tire and wheel combos we carry like the part # AM31985 are not machined balanced. You can have the tire and wheel combos balanced at a local tire shop if you wanted to. What some manufacturers will do is line up the light spot on the tire with the heavy spot on the wheel. This is a type of balancing but not like how car tires are balanced (with weights on a balancing machine).
    view full answer...
  • What Does Date Code on Trailer Tire Look Like
    That doesn't sound like a standard date code. The code should be a 4 digit number. The first 2 are the week and the last 2 are the year. So for example if it was 2314 that means that tire was made in the 23rd week of 2014. I attached a picture that shows what the date code of a tire looks like.
    view full answer...
    Image 1 for
  • Changing Existing 5.30-12 Tires on 1997 Coleman Sea Pine Pop-Up with 175/80-13 Tires
    A 5.30-12 tire measures about 22 inches in diameter. A 175/80-13 tire would be about 2 inches larger in diameter at 24 inches. This means that the top of the tire will be 1 inch closer to the underside of the fender. Under a full load, we recommend at least 3 inches of clearance between the top of the tire and the underside of the fender. If you currently have 4 inches of clearance, adding a tire that will be 1 inch closer won't be a problem. If you don't have that kind of clearance, you'll...
    view full answer...
  • Age of Kenda 175/80R13 LRD Tires
    We sell quite a few trailer tires, so for the most part, they don't hang around here for long. Most of the tires we have in stock in the more popular sizes will have DOT date stamps within the previous calendar year. Slower movers might go back a bit further. Since the 175/80R-13 is a very popular size, we sell through our shipments quickly. Keep in mind that a tire on a warehouse shelf isn't exposed to the weather or UV radiation which can break down tires over time.
    view full answer...

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