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Loadstar ST175/80D13 Bias Trailer Tire with 13" White Wheel - 5 on 4-1/2 - Load Range D

Loadstar ST175/80D13 Bias Trailer Tire with 13" White Wheel - 5 on 4-1/2 - Load Range D

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Shipping Weight: 31 lbs
Kenda Tire with Wheel - AM31233
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Bias tire has a ply rating of 8 and a 1,610-lb maximum load at 65 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. Lowest Prices for the best trailer tires and wheels from Kenda. Loadstar ST175/80D13 Bias Trailer Tire with 13" White Wheel - 5 on 4-1/2 - Load Range D part number AM31233 can be ordered online at etrailer.com or call 800-298-1624 for expert service.
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Kenda Trailer Tires and Wheels

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

Bias tire has a ply rating of 8 and a 1,610-lb maximum load at 65 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.


  • Loadstar special trailer tire outshines other bias tires
    • Flatter tread offers improved stability for excellent handling
    • 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
    • Advanced rubber compound
      • Longer tread wear
      • Low rolling resistance for smooth ride
  • Steel wheel has 8-spoke design by Dexstar
    • 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: ST175/80D13
    • Section width: 6.6"
    • Outer diameter: 24"
  • Tire capacity:
    • Load range: D
    • Ply rating: 8
    • Maximum load: 1,610 lbs at 65 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.

Bias Tires vs. Radial Tires

Bias vs. radial tire graphic

Bias ply tires are designed for off-road or agricultural applications. They are built with thick, durable nylon cords that are positioned at a 30- to 45-degree angle to the direction of travel. The layers alternate in a crisscross pattern, making the sidewalls stiffer so that the entire tire is able to flex easily. As a result, the tire provides a smooth ride and improved handling when trailering on uneven surfaces.

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"

31233 8-Spoke 13" White Wheel and Loadstar K550 Bias Tire - LR D

Replaces Americana 31233DX

Item # AM31233

Customer Reviews

Loadstar ST175/80D13 Bias Trailer Tire with 13" White Wheel - 5 on 4-1/2 - Load Range D - AM31233

Average Customer Rating:  4.9 out of 5 stars   (6318 Customer Reviews)

Bias tire has a ply rating of 8 and a 1,610-lb maximum load at 65 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.

- AM31233

Great tires, wheels, packing job, packing and delivery! Pictures don't do wheels justice! They look much better in person.

- AM31233

These wheels and tires have been on the small teardrop camper I built over a year. They work great. The team at etrailer helped me select the best wheel and tire for my application and then they shipped very fast. I couldn't be more pleased.

I have had no issues with the tires. During the past year I have been over some pretty rough roads full of pot holes in SC. They have preformed perfectly. Thanks to etrailer for recommending them.
David J - 01/19/2018

- AM31233

They were months late on delivery and would not discount the product or offer a substitute at a discount. etrailer did nothing to make the extremely late shipment right. If you need anything in a timely manner or when your told you would receive it, I would go elsewhere.

- AM31233

Fine spare tire, and thankfully it hasn't needed to be used yet.

- AM31233

Great tires, great value, finished off my 'new to me' camper nicely.

- AM31233

My order was delivered ahead of schedule and fits my trailer

- AM31233

Looks great and the service was great Tire is for my boat now I can go fishing tomorrow

- AM31233

Item was in stock. Fair price. Quick shipment. trailer is a great place to shop.

- AM31233

The tires came really fast and they look great on my trailer!

- AM31233

Direct fit replacement for my ATV trailer and much cheaper than the dealer wanted. It has held pressure for the past year. Very happy with it.

- AM31233

Goofd price and arrived earlier than pr omissed

- AM31233

Time will tell if I am happy with the tires and rims I purchased from etrailer.com. But I can say that when I called with a few questions about my purchase, Donna was very friendly and helpful. She answered all my questions and made this internet order very easy. I ordered my tires and rims on Wednesday April 11th and they were at my front door on Monday April 16th. The tires were freshly manufactured according to the date stamp on the tires. I raised the load and speed rating from my old trailer tires for added safety and durability. Free shipping, no tax, on complaints. Thank you Donna and all at etrailer.com.

- AM31233

Got the new tires quick and got the crappie barge out on the lake thanks to etrailer.com for having right tires for the job

- AM31233

nice unit good quality

- AM31233

The tires arrived in great condition and served me well. Last fall though I noticed that one had gone flat but it was really late in the season for me to take a look at it. And where I need to park my vehicle I can't easily check it out. I'll be doing so within the next day or so and am hoping it isn't a defect in the tire. Probably a nail or something.

- AM31233

Great price for this tire.

- AM31233

The product was most excellent and the low price even better. Having the tires mounted by etrailer made for a less expensive experience at the tire shop, as I only needed balancing which cost me $10.00. The quick delivery and the web site information at etrailer was perfect. The page describing how to measure for the correct rims was succinct and yet straightforward simple. I would recommend etrailer for price and for inventory to any of my family and friends.

- AM31233

Wow, etrailer.com is great! I live in Phoenix, AZ and I could not believe that none of the big tire companies in the city could get these tires. Etrailer.com not only had them in stock for immediate shipping but, also the price was very reasonable. No charge for shipping and they arrived in 4 business days. They were packaged so there was no abrasions during shipping. They were mfg. in 2013. They were not old left over stock. I have not had them on the road yet but I don't for see any problems. If you need this tire size with a load range-D you can't go wrong getting them at etrailer.com.

- AM31233

Great people to deal with

- AM31233

Easy website. Good confirmation email with shipping details. Fast delivery.

- AM31233

Great quality product. It was received exactly as described in the product details. I mounted this as a spare tire and wheel on my 2010 Carry-on utility trailer's tongue using the MT70214 spare tire carrier.

After a year since my purchase, the tire and wheel are still performing as expected. I am still very pleased with my purchase from etrailer.com
Mike B - 10/23/2015

- AM31233

Couldn't have been easier. Great selection. Had exactly the tire I needed (LRD for my camp trailer to replace the aging LRC tires on it). Shipped same day and arrived 3 days later. Excellent communication. Easy install and great looking. If I need tires for my camp trailer again, I'll know where to go first and save time and money shopping around. Thanks a bunch!

- AM31233

After one year the rim and tire are holding up well!

- AM31233

these guys are the best. fast shipping and best prices. thank you etrailer team

hey patrick. the tires just came back from a 4000 mile round trip thru the good ol usa and look like new. im very happy with my purchase 1 year and about 4500 total miles later. it was less expensive to buy 2 new tires and wheels than it would have been for me to buy tires and install them.
dean d - 05/18/2015

- AM31233

received tire and wheel for my trailer ;;shipped fast;;quality product;;;5000 miles later;;rides smooth ;;good even tread ware;; four 1100 mile round trips to Florida with stands heat and heavy loads ;;; I RECOMMEND ETRAILER TO EVERY ONE

Show More Reviews

Ask the Experts about this Kenda Trailer Tires and Wheels

  • 13 inch Trailer Tire and Wheel Combos with 4 on 4 Bolt Pattern and 2.8 inch Pilot Hole
    The pilot hole on a wheel for a trailer only matters if the wheel secures to the hub using lug bolts instead of lug nuts or if the hole size is too small to fit over the hub. One of our 13 inch tire and wheel combos with the 4 on 4 bolt pattern does have a 2.8 inch pilot hole. It is # AM3S101. I have linked a video review of it for you.
    view full answer...
  • Maximum Speed and Load Rating for Kenda Loadstar ST175/80D13 Bias Trailer Tire, Part # AM31233
    The Kenda Loadstar ST175/80D13 Load Range D Bias Trailer Tire, part # AM31233, is a pre-mounted trailer tire and wheel combination that uses a 5 on 4-1/2 inch bolt pattern and has a white powder-coat finish. We also offer a version with a galvanized steel wheel, part # AM31242. This tire/wheel is rated for a maximum speed of 65 mph, but local speed limit laws should always be observed. It is rated for a maximum load of 1610 pounds at 65 lbs psi inflation. It is vital that your trailer...
    view full answer...
  • Can I Use a Trailer Wheel with a Different Size Pilot Diameter
    The only time the pilot diameter will matter is if the wheel is hub piloted (wheel is centered by the hub) or if the diameter is too small. So you can use a wheel that has a larger pilot diameter as long as it is stud piloted (centered by the wheel studs). You will be able to use the Loadstar ST175/80D13 Bias Trailer Tire, # AM31233. The Loadstar tire will be about 2 inches wider than your existing tire so you will need to make sure the trailer can accept a tire this size.
    view full answer...
  • Differences Between Bias Ply and Radial Tire
    There are two types of tires, a radial ply and bias ply tire. The difference lies in how the tire is constructed. The cords inside the tire are run in different directions. On a bias tire, the cords run at a 32 degree angle at a bias to the direction of travel. On a radial tire, the cords will run at 90 degrees or perpendicular to the direction of travel, across the tire. Because of the way it is constructed, a radial tire will has more flex and will allow ground contact that is more...
    view full answer...
  • Do the Loadstar ST175/80D13 Bias Trailer Tire with 13 inch Wheel, part # AM31233, Come Balanced
    The Loadstar ST175/80D13 Bias Trailer Tire with 13 inch White Wheel, part # AM31233, is received from the supplier already with the tire mounted on the wheel. The supplier does not balance the combination, but when the tire is installed to the wheel they will line the high (heavy) spot on the tire with the low (light) spot on the wheel. This does not completely balance the tire and wheel combination but it does eliminate any excessive out of balance condition. It would be a good idea...
    view full answer...
  • Will Using a Load Range C Trailer Tire Provide a Better Ride than a Load Range D in the Same Size
    If you are talking about the same tire you would want to keep it inflated to the maximum psi indicated on the tire sidewall. With less air pressure the capacity will decrease. Also, when under inflated a trailer tire will build up excessive heat and that can lead to tire failure. So if the tire is rated for 65psi you will want to keep 65psi in it. If the trailer requires load range C tires and you put a load range D on it instead you might notice a stiffer ride because the load range...
    view full answer...
  • What Wheel Size is Required for Standard Trailer Towing Speeds
    All of the ST (special trailer) tires that we stock are designed, tested and DOT approved for 65 miles per hour, which is the standard for trailer tires, unless otherwise indicated on the product page. The wheel size and/or tire size does not change the rating or standard speed which the tire is designed to travel at. When towing a trailer, you should select your wheel and tire combination based on the trailer manufacturers recommendation or, if there is no manufacturer recommendation,...
    view full answer...
  • Wheel and Tire Recommendation for a Boat Trailer with 3,500 lb Boat
    The Loadstar ST175/80D13 Bias Trailer Tire with 13" White Wheel # AM31233 that you referenced has a 1,610 lbs at 65 psi weight capacity per wheel/tire. For your trailer that is towing a 3,500 lb boat this should work well since your trailer has tandem axles. To get the maximum capacity for a trailer tire you need to have it inflated to it's max psi. This wheel has a 5 on 4-1/2 inch bolt pattern. You will need to verify that you have the same bolt pattern on your trailer. See linked article. Your...
    view full answer...
  • Looking for Replacement Wheel/Tires for 1977 StarCraft Galaxy 8 Pop Up Camper
    If your hubs are lug centric, the fact that the # AM31233 has a larger pilot diameter won't cause any problem. If you attach your current wheels with lug nuts (and NOT lug bolts) you have a lug centric wheel. However, if you have a hub centric wheel where the wheels are held on with lug bolts, the pilot diameter of your new wheel would need to match that of your old ones. The # AM31233 wheel/tire combo you mentioned uses a ST175/80-13 tire that's 24 inches in diameter and has a section...
    view full answer...
  • What is Best Replacement 175/D13 Trailer Tire: Loadstar ST175/D13, Part # AM31233, or Carlisle
    All other things being equal, it is always preferable to have matching tires on your trailer. Different tire brands may have different tread depths and may wear at different rates due to variances in the formula used in their rubber compound. However, you can use the two different tires if you wish. As we do not offer the Carlisle tires, I suggest you use a second Kenda Loadstar ST175/80D13, part # AM31233, and keep the Carlisle as your spare.
    view full answer...
  • What Is The Offset of The 13 X 4.5 Inch Wheel on the Americana Tire and Wheel, # AM31233
    The offset on the 13x4.5 inch wheel in the Americana Tires and Wheels, # AM31233, is zero. On most trailer wheels the offset will be zero because the wheel is designed along with the tire to be able to handle a certain maximum load, so you will want the load distributed equally to both sides of the wheel.
    view full answer...
  • Availability of 175/80-13 Trailer Tire Mounted on Gray Powder Coat Rim
    We don't offer any gray powder coated wheels, but if silver powder coat would come close enough to gray for your liking, we have a solution or tow that would work for you. Since we don't carry a 175/80-13 Load Range D tire mounted on a silver rim, you could purchase the wheel and tire separately. The bias ply tire is part # AM1ST77, or for a radial tire, choose # AM10210. For wheels, you can choose from a 13 x 4-1/2 inch silver powder coated modular wheel with a 5 on 4-1/2 inch bolt...
    view full answer...
  • Can a Wheel That Uses 1/2 Inch Wheel Studs Be Used on a Trailer that Uses 7/16 Inch Studs
    In this situation I would actually recommend just replacing the wheel studs themselves. The studs on your current hubs should be able to be knocked out, working at the front side of the hub. That way, you would be able to compare your current studs to ones offered with the 1/2 inch diameter and replace them. You can get a good idea of how the measurements are taken by looking at the diagram on the product page for 1/2 inch wheel stud # RG03-040. I am including a link to all the...
    view full answer...
  • Can Full-Wheel-Diameter Hub Caps be Installed on Kenda 13-Inch Tire/Wheel # AM31233
    The ST175/80D13 bias-type trailer tire/13-inch wheel combination you referenced, part # AM31233, can be fitted with a full-diameter hub cap. Its outer wheel circumference has the lip required to attach aftermarket full-diameter hub caps. We do not offer these but we do have center caps that will fit the 3.19-inch pilot hole diameter, such as # 319EZ for EZ-Lube spindles, as well as # AM90175.
    view full answer...
  • Rim and Tire Recommendation for Use with 84550BX Hubs
    For starters it's not recommended to use vehicle rims on a trailer hub. Truck rims are not rated for the vertical loads that trailers see so I would strongly recommend you go with a trailer tire. That being said, the Hub Assembly part # 84550BX that you referenced centers on the lugs so pilot diameter isn't important. This is a lug-centric setup. If the hub used wheel bolts instead of lugs the setup would be considered hub-centric and the pilot diameter would be important. It's also...
    view full answer...
  • Recommended Wheels And Tires To Replace B78 13 Tires On Landscaper Trailer
    I would be happy to help! To replace your B78 13 tires you will want to go with a 175/80R13 as it is the closest tire size, but there are a few load rating options to consider based on the weight of your trailer when loaded. I recommend going with either the Loadstar ST175/80D13 Bias Trailer Tire with 13" White Wheel - 5 on 4-1/2 - Load Range C # AM3S140 you were looking at which has a load rating of 1360lbs at 50 PSI, or the # AM31233 which has a load rating of 1610lbs at 65 PSI. Both...
    view full answer...
  • Recommended 175/80-13 Wheel/Tire for Coleman Pop-Up Camper
    The Karrier ST175/80R13 Radial Trailer Tire with 13" White Wheel part # AM31985 for radial or Loadstar ST175/80D13 Bias Trailer Tire with 13" White Wheel part # AM31233 for bias is just what you are looking for and they should both work well on a Coleman Pop-Up Camper. I recommend the radial option if you have the extra funds as they will perform better out on the highway.
    view full answer...
  • Can Bias Ply Spare Be Used on Trailer with Radial Tires
    Yes, as long as the spare tire is the same size, load range (weight rating) and has the matching wheel bolt pattern you can use a bias ply spare to replace a radial main tire for the short distance you'll travel to get the radial repaired or replaced. For example, the 5-on-4-1/2 bias ply # AM31233 can be used as a spare to replace radial # AM31994. You do not want to run the trailer with mixed tires for any substantial distance but to get you to a repair shop it is fine.
    view full answer...
  • Wheel and Tire Recommendation for Trailer Size ST175/80D13 with Higher Speed Rating
    Yes, the Loadstar ST175/80D13 Bias Trailer Tire with 13" White Wheel # AM31233 comes with the tire mounted to the wheel so that you would be ready to throw it on your trailer and be on your way. Since you are concerned about speed rating I have a much better solution for you though. The Taskmaster ST175/80R13 Radial Trailer Tire with 13" White Spoke Wheel # A13RWMQ has an M speed rating which means it can go up to 81 MPH. Plus the tire is a radial which will wear better and provide a...
    view full answer...
  • Recommended Axle With 5 On 4-1/2 Bolt Pattern Idler Hubs And Wheels
    I contacted Harbor Freight's tech services line regarding your Haul Master Trailer. Your trailer may have an odd size axle, so the industry standard size parts would not be compatible. Their tech services can't give me the information to help you, so I would need you to pull your hub and give me the bearing number on it for me to tell you if we can change the hubs out for 5 lug or not.
    view full answer...
  • Does Kenda Loadstar ST175/80D13 Bias Trailer Tire Part # AM1ST77 Require Changing Rims
    The Kenda Loadstar ST175/80D13 Load Range D Bias Trailer Tire, part # AM1ST77, is a tubeless bias-ply tire designed for use on 13 x 4-1/2, 13 x 5, and 13 x 5-1/2-inch trailer wheels. Please note that not all bias ply tires are tubeless. I have provided a link to a product review video for this tire. If you wish you can take your current rims to a local tire dealer who can inspect them and advise you whether they are safe for use with a tubeless tire. Depending on the age of your rims...
    view full answer...
  • Can I Replace My 5-1/2 Inch Wide Wheels with Smaller 4-1/2 Inch Wide Wheels on a Boat Trailer
    You can use a smaller wheel on your trailer as long as it has the same bolt pattern and a hub diameter equal to or larger than the existing wheels and the weight capacity of the wheel and tire combination are compatible with the trailer and axle. Of course, you would need tires that fit the smaller wheel such as the Loadstar ST185/80D13 Bias Trailer Tire - Load Range D, # AM1ST79. We do offer 5-1/2 inch wide rims, like # AM20304, if you wanted to replace your existing wheels. Or if you...
    view full answer...
  • Correct Axle and 13 Inch Tire and Wheel Kit for Homemade Trailer with 58 Inch Spring-Centers
    Thank you for all of the info! I'd be more than happy to help out. For an axle that meets your specs I recommend going with our etrailer Trailer Axle # e37YR which has the 58" spring-center measurement, a 72" hub-face measurement, has an easy-lube spindle, and comes with idler hubs that are compatible with a 13" wheel. When it comes to the tires and wheels we have a few options for you; a 175/80-13 size tire would be more than enough and for that I recommend the Kenda part # AM31985...
    view full answer...

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