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

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

Item # AM31242
Retail:$183.89
Our Price: $136.16
You Save: $47.73
Trailer Tires and Wheels
Shipping Weight: 29 lbs
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AM31242 - 13 Inch Kenda Tire with Wheel
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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 galvanized finish. Great Prices for the best trailer tires and wheels from Kenda. Loadstar ST175/80D13 Bias Trailer Tire with 13" Galvanized Wheel - 5 on 4-1/2 - Load Range D part number AM31242 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 - AM31242

  • Tire with Wheel
  • 13 Inch
  • 5 on 4-1/2 Inch
  • 175/80-13
  • Load Range D
  • Steel Wheels - Galvanized
  • Boat Trailer Wheels
  • 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 galvanized finish.


Features:

  • 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
    • Galvanized to resist rust
  • Tire-and-wheel assembly meets Department of Transportation specifications


Specs:

  • 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 2-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"




31242 8-Spoke 13" Galvanized Wheel and Loadstar K550 Bias Tire - LR D





Customer Satisfaction Score:


Customer Reviews

Loadstar ST175/80D13 Bias Trailer Tire with 13" Galvanized Wheel - 5 on 4-1/2 - Load Range D - AM31242

Average Customer Rating:  4.8 out of 5 stars   (6377 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 galvanized finish.

by:

The offset tire mount is very well designed…. Tire and rim are nice…. Fit great on my whaler



by:

My two tire and wheel combos arrived today. The tires seem to be decent (time will tell), but the wheels are atrocious. The slag left by the galvanization process has poured into a 1/4 inch thick blob on the edge of the rim and is flaking off. If you are looking for a decent wheel these are not it and you should look elsewhere.

Etrailer Expert

Katrina D.

9/14/2023

Yeah, unfortunately this is a common issue with the galvanized rims. The manufacturer dips the rims then hangs them up to air dry, then they are shipped out. I can send you over to our customer service department to see if we can get some other ones sent out to you.



by:

Nice replacement for rusted OEM Wheels. Super fast delivery. Bought 2 and decided to buy another for spare.



by:

Tires look great but the wheel are almost chrome looking and on the inside of them there appears to be casting defects in the same area on all the ones I purchased. Big raised rough spot on them.

Etrailer Expert

Jenny N.

1/11/2024

While the galvanized finish on the wheels can be rough, I am not sure what happened with the ones you received. I will have our Customer Service team reach out to you so we can look into it.



by:

Ordering was a breeze. Shipped and received in a flash. Etrailer has a new long term customer with me! Great tire/rim combo. They spiced up my little boat pretty good.



by:

Loadstar ST175/80D13 Bias with Galvanized 5 hole wheels. It has been hard to find a set of 13" tires to take this load weight, but you had them!

Used on a custom built tilt bed trailer that hauls a 1976 "Morrison Trailblazer", one of only 300 built to make trails in the woods as narrow as 24" wide, or up to 6 feet wide. Morrison Trailblazers were the first mechanized trail building machines made, each built one at a time by Jerry Morrison, each one an improvement over the last one built, this one is # 276, his name is "DINO" and this trailer takes him deep into the woods.

Lee

11/20/2019

No issues with this set of tires and rims



by:

These are load range D tires that I needed for my Tritoon. The rims have a good finish that should not rust for a while. etrailer customer service is the best. I called on Thursday to inquire about my order and was told they didn't know when the shipment would arrive. Since I needed the tires quickly, etrailer substituted another tire in stock and I got them the next day with free shipping. Triple AAA plus for customer service.



by:

Perfect replacement wheels/tires for my 1990 Magic Loader boat trailer. Quick free shipping was a plus. My previous tires were installed in 2008 and just started leaking air. These are supposed to be high quality tires from Tawain (Kenda). We'll see how well they last on my tandem axle trailer with a 4800 lb Wellcraft boat



by:

The spare tire mount was easy to install, came with clear instructions and I got it all installed in about 5 minutes. Wheel is galvanized to help prevent corrosion and should hold up very well on my boat trailer. Order arrived very quickly too: Etrailer rocks! Thanks guys!



by:

Easy Swap. Bent the rim on our boat trailer and needed to replace it. Matches all the other wheels and tires and had it changed in about 10 minutes. great product.



by:

very fast delivery,great looking ,will make the boat trailer look very sharp



by:

The tire looked fine but like other reviews stated- the rim looks like crap!!!!



by:

This tire and wheel are a spare for my 6 x 12 utility trailer. I mounted it with a mount also purchased from etrailer and secured it with a wheel lock I also purchased from this website. I have made many purchases from etrailer for my boat, utility, and Airstream trailers and have always been very satisfied with every aspect of all my purchases. This business is a KEEPER! Purchase with confidence.



by:

I would like to comment that the wheels purchased look great. Arrived in 4 days from my order. The quality is excellent along with the price. I have attached a picture where I replaced the standard rims, wheels, and hub caps on my Tracker Boat trailer with the new wheels from etrailer. The center piece from my old hub cap set matched perfect with my new galvanized wheels.



by:

The trailer tires on rims I ordered came to my house in just a few days. Shipping was included for free and they got here fast. Price was the best I could find so I’m very happy with the entire purchase. I highly recommend trailer.



by:

Quick delivery, great packaging, excellent service!!!



by:

Great service and fast delivery. We have been using Load Star tires on our boat trailer for years.



by:

Tire and lock set were in the same box without any filling and the lock set got destroyed. Notified etrailer and they sent a new lock set which was very nice of them. A little filler in the box would have prevented their loss. I have bought from them a few times over the years without issues and will continue to buy in the future. Thank you etrailer!



by:

I'm very impressed with your shipping system: we got our tires/wheels on time as promised and in excellent condition. The real clincher in ordering from you is the free shipping on larger orders. Now that I know that these new wheels fit my homemade trailer (distance between tire sidewall and trailer is critical), I just ordered your 60 inch axle.



by:

Very fast delivery!!



by:

As described, fast shipping.



by:

Came quickly, fit perfectly. Couldn’t have been more pleased.



by:

Fast and efficient



by:

Great job .



by:

I’ve had several purchases and I’ve always had a great experience with etrailer. Shipping is prompt and their products are of high quality. Just received a new set of load rated wheels and tires for my trailer and looking forward to a safe journey. Thanks etrailer!


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

  • Comparing Bias Ply and Radial Trailer Tires
    Bias ply trailer tires you see more on agricultural and off-road applications but they still work well on pavement. Radial tires track better and run cooler than bias ply tires and are best suited for pavement. A trailer can sway no matter what type of tires are on the trailer. To prevent sway you would use a friction sway control bar, # 83660, or a weight distribution system with sway control. I have included links to our FAQ article on trailer tires and weight distribution and sway...
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  • Can a Mix of Bias Ply and Radial Trailer Tires be Used at the Same Time
    For a short distance, you can use radial and bias tires at the same time, but you would not want to have the mix for long distances or periods of time. The problem is that the 2 different tires track and perform differently and this can affect ride quality and increase wear on the tires. For a bias ply tire, load range D, 175/80-13, use # AM1ST77. For the same tire on a 5 on 4-1/2 inch galvanized 13 inch wheel use # AM31242. I have included a link to our tire FAQ article for you.
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  • How To Measure The Bolt Pattern On Trailer Wheel While On The Trailer
    You sure can measure to find the correct bolt pattern on your wheels if you can see the lugs. On a 5-bolt pattern, the easiest way is to measure from the center of one bolt hole center to the center of the bolt hole next to it. If that measurement is 2-5/8 inches - the bolt pattern is 5 on 4-1/2. If 2-3/4inches - the bolt pattern is 5 on 4-3/4. If 3 inches - the bolt pattern is 5 on 5, and if it measures 3-1/4 inches - the bolt pattern is 5 on 5-1/2. I have attached a helpful article...
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  • Replacement Modern Tire Size for B78-13ST Tires on Tandem Axle Boat Trailer
    The old B78-13ST tire size translates into a modern ST175/80-13 tire size which is compatible with a 13 inch diameter rim that's 4-1/2, 5 or 5-1/2 inches wide. We offer a load range C radial tire (1360lbs at 50psi) part # TTWTRTM1758013C or a bias ply, same load range as part # AM1ST76. Either tire would offer plenty of capacity. I'd recommend the radials, as radial tires tend to run cooler. Since excessive heat is the number one enemy of tires, the cooler you can keep the tire, the longer...
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    We may be able to help you out, although the reason you cannot find 14 or 15 inch tires that are smaller than a ST205/75R14 is because that is the smallest size, and they are 8 inches wide. For a narrower tire you will need to get smaller, 13 inch wheels, either ST175/80D13 which are 6.6 inches wide and 24 inches in diameter or ST185/80D13 which are 7.2 inches wide and 24.4 inches in diameter. You also need to ensure you have the matching wheel bolt pattern and load capacity. If you are...
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  • Wheel and Tire Recommendation for Use On Timbren Axle Less 3,500 lb Kit
    We don't have anything that's specifically designed for off-road applications but we do know that bias ply type tires tend to do better than radials in this application. The Loadstar wheel and tire part # AM31242 would be a solid choice that would have plenty of capacity and is also mounted on a galvanized wheel too.
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  • Tire Recommendation to Replace 155R13 on a 1988 Coleman Chesapeake
    The closest trailer tire size to the 155r x 13 that we carry is the 175/80-13 like the part # TTWTRTM1758013C. This would fit your current trailer rims and would work well. You should note that these tires are 24.1 inches tall so you may need to consider that if your current tires are considerable smaller than that.
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  • John Deere Trailer for Snowmobiles Replacement Wheel
    Since the wheel on the Loadstar ST175/80D13 Bias Trailer Tire with 13" Galvanized Wheel # AM31242 is a lug centric wheel, it won't matter that the pilot diameter of the wheel doesn't match with the hub since the lugs will center the wheel. This wheel has the 5 on 4-1/2" bolt pattern and 1/2" studs that will work with the hubs on your trailer.
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  • What Is the Difference Between Tire With Wheel Combo Item # AM3S334 And Item # AM31242
    The Loadstar ST185/80D13 Tire With Wheel, Item # AM3S334, and the Loadstar ST175/80D13 Tire With Wheel, Item # AM31242, are very similar. Both are galvanized steel wheels with bias trailer tires and have a maximum speed of 81 mph. The Loadstar Item # AM31242 is slightly smaller with a section width of 6.6 inches and an outer diameter of 24 inches. It also has a lower load capacity of 1,610-lbs at 65 psi which is determined by the lowest rated component. Between these two options,...
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  • Replacing B78-13ST Trailer Tires on a 1991 Coleman Pop Up Camper
    The modern equivalent to a B78-13ST is going to be a 175/80-13 trailer tire. The tires and wheels that we have in this size come in 2 different bolt patterns, 4 on 4 or 5 on 4-1/2. For a 4 on 4, in a galvanized wheel like the one you have referenced, we have # AM3S130. This is a load range C tire with 1,360 pound capacity at 50 psi. For a 5 on 4-1/2, we have # AM31242, that you have referenced. This is a load range D rated for 1,660 pounds at 65 psi. If you just want the tires and not...
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  • Recommend Replacement Spare Tire and Galvanized Wheel For Karavan Trailer Tire ST 175/80D13
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  • Trailer Fender Recommendation for Boat Trailer with 13 inch Diameter Wheels
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    Image 1 for
  • What Size Radial Tires to Replace Existing B78-13ST Load Range B Tires on Boat Trailer
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  • Best Replacement Wheel and Tire Combination for the B78-13ST Tires on my Boat Trailer
    I spoke with our in-house tire expert. Your best bet would be a 175-80. The wheel and tire combo you were looking at, part # AM31242 from Americana, should do just fine. It is a galvanized wheel, so it should hold up better in your marine application, and the ST175/80-D13 tire is the proper replacement size for your B78x13ST. I am including some links to information that will be helpful when picking out a tire and wheel for your setup.
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  • Replacement for ST175/85D13 Tire and Wheel
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  • Replacement Wheel and Tire for Car Hauler with B78-13ST
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  • Maximum Speed and Load Rating for Kenda Loadstar ST175/80D13 Bias Trailer Tire, Part # AM31233
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  • Recommended Wheel/Tire Combo for 1991 Coleman Newport Pop-Up Camper
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  • Is the Part # AM31242 for a Single Tire and Wheel or a Set of 2 Tires and Wheels
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  • Should I Get Higher Load Range Tires Than Needed
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  • Tire Replacement Recommendation for 155R13 C90/88Q on Boat Trailer
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