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

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

Item # AM3S160
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Our Price: $121.97
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Shipping Weight: 29 lbs
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Bias tire has a ply rating of 6 and a 1,360-lb maximum load at 50 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. Lowest 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 C part number AM3S160 can be ordered online at etrailer.com or call 800-298-8924 for expert service.
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  • Reviews (2913)
  • Q & A (11)
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Kenda Trailer Tires and Wheels - AM3S160

  • Tire with Wheel
  • 13 Inch
  • 5 on 4-1/2 Inch
  • 175/80-13
  • Load Range C
  • Steel Wheels - Galvanized
  • Boat Trailer Wheels
  • Bias Ply Tire
  • Kenda
  • M - 81 mph

Bias tire has a ply rating of 6 and a 1,360-lb maximum load at 50 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.


  • 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


  • 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
  • Pilot diameter: 3.19"
  • Tire size: ST175/80D13
    • Section width: 6.6"
    • Outer diameter: 24"
  • Tire capacity:
    • Load range: C
    • Ply rating: 6
    • Maximum load: 1,360 lbs at 50 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"

3S160 8-Spoke 13" Galvanized Wheel and Loadstar K550 Bias Tire - LR C

Customer Reviews

Loadstar ST175/80D13 Bias Trailer Tire with 13" Galvanized Wheel - 5 on 4-1/2 - Load Range C - AM3S160

Average Customer Rating:  4.9 out of 5 stars   (2913 Customer Reviews)

Bias tire has a ply rating of 6 and a 1,360-lb maximum load at 50 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.

- AM3S160

I have about 3000 miles on them and they have worked well. They hold air well and track true and straight. I keep them at the recommended pressure and do not overload them. They support a 17' boat that has a total weight of 1900 LBS. That includes trailer, boat and motor. Very little corrosion but I keep them rinsed off after saltwater use and also they are covered from the sun. 784657

- AM3S160
by: 09/15/2020


- AM3S160

Wheel and tire was delivered ready to go as a spare for my jet ski trailer. Very happy with Etrailer and their products. 863591

- AM3S160

Great tires 859165

- AM3S160
by: 08/08/2020


- AM3S160

Your personnel were very helpful in getting the right product for my needs. 854486

- AM3S160

Great product. Great service. Thank you 852678

- AM3S160

Very knowledgeable folks. Super fast s hipping. 845494

- AM3S160

The wheels are working great. The galvanized rims have dulled due to weather but they haven’t rusted like my painted ones eventually did 820339

- AM3S160

Great company to order from, quick order placement and they keep you updated on your order status. 805547

- AM3S160

The tire arrived in a timely manner and it was well packaged during shipment. It was exactly what I needed for my boat trailer. 797615

- AM3S160

Item was exactly as described ! Product was delivered on stated date. Russ S 765433

- AM3S160

Customer service was great ,it’s nice to be able to talk to a person .I was having problems finding wheels and tires for my boat trailer,and some other parts. etrailer had everything I wanted and at a great price .The products came well boxed and ahead of schedule.I also found the etrailer website one of the best out there.If I need anything else for my trailer I know where to go .Thanks for the great service. 760397

- AM3S160

Great service and fast delivery. 756844

- AM3S160

After searching the internet (other online retailers) and based on prior good expierence I decided to go with etrailer.com. The tires arrived very nicely boxed, for protection, with very fast delivery. They were exactly what I was looking for at a fair price and high quality! I have had similar results with other purchases from etrailer.com in the past therefore I am a returning customer. High quality at a fair price with no hassle is what I look for in a supplier. Tires look great on my boat trailer- would buy them again. 756588

- AM3S160

Excellence Product was very satisfactory I recommend To anyone Thank you etrailer.com for excellence product and service 747391

- AM3S160

The items shipped promptly, arrived in mint condition and met all expectations. I am refurbishing an older aluminum trailer and found everything I need for the job quickly and easily at etrailer's Web site. 747060

- AM3S160

Excellent product and service! Tires arrived way sooner than expected. Could not be happier with purchase! 745009

- AM3S160

Supper fast shipping, product was in a great container for shipping. I was impressed with how they shipped two tires and wheels. I will buy and recommend them to people I know. 740349

- AM3S160

Thank You Shipping was fast and the tires and rims look good , thank you . 734206

- AM3S160

Good quality wheel and tire. Arrived ahead of schedule. Ordering was seamless. Highly recommend. 728942

- AM3S160

I'm really happy with the entire etrailer experience. My order arrived on time and the packaging was exceptional. Thanks a bunch! Regards, BP 699677

- AM3S160

Great product Fast Delivery 699576

- AM3S160

Spare tire and Fulton mount arrived in perfect condition and on schedule. Nice addition to the boat, and way cheaper than my local marine dealer. Road trip approved. 698416

- AM3S160

I just received the tire and rim and it is a perfect match and fix to my old tire. 693401

Show More Reviews

Ask the Experts about this Kenda Trailer Tires and Wheels

  • Best Trailer Tire Recommendation for Size ST175/80-13
    Radial tires are generally preferred over bias ply tires. A radial tire flexes more than a bias tire, giving it better ground contact, traction, stability, and tread wear. A radial tire will normally run cooler than a bias ply tire, especially when the tire is under a load. A tire that runs cooler will last longer. Best recommendation I can make would be the Lionshead tire part # LHWL101. This radial tire has a weight capacity of 1,360-lb max load at 50 psi, has a speed rating...
    view full answer...
  • Recommended Narrower Tire for 2-Place Karavan Snowmobile Trailer
    My research indicates that Karavan used 205/65-10 tires on their 2 place snowmobile trailers, mounted on a wheel with a 5 lug on a 4-1/2 inch bolt circle. You can certainly go with a taller tire, but you'll want to retain a bare minimum of 3 inches from the top of the tire to the inside of the fender or wheel well when the trailer is loaded so the tires don't rub. For a narrower radial tire mounted on a galvanized rim with a 5 lug on 5-1/2 inch bolt pattern, I'd recommend the # AM31202...
    view full answer...
  • What is the Trailer Tire Metric Equivalent to a 4.80 x 12 Trailer Tire
    The closest metric trailer tire size to a 4.80x12 is going to be a 145/80-12. The typical diameter of a 4.80x12 tire is 20.5 inches. On a 145/80-12, it is 21.3 inches. So the metric size will be a little over 1/4 inch taller. Make sure to measure the clearance around the tire to make sure it will fit. These two different sizes fit a 4 inch rim, but have different load capacities. The metric tire has higher capacities. You will still need to make sure you stay within the limits of the...
    view full answer...
  • Can 175/80D13 Tires of C and D Load Ratings be Mixed on a Trailer
    The two 175/80D13 tires/wheels you referenced, Load Range C # AM3S160 and Load Range D # AM31985, will both have an overall diameter of approximately 24-inches, give or take a small fraction. The Load Range B and C tires/wheels will share a 6.6-inch section width while a D-range will have a section width of 7-inches. We do not recommend mixing tire types, sizes or load ranges but for example in the case of a spare tire that will be used for only a short distance (and at or below its...
    view full answer...
  • Trailer Tire and Wheel Recommendation for a 13 Inch Tire for Small Trailer Carrying a Sailboat
    A lot of times what happens with trailer tires is that the trailer is not used often so the tires sit and can get dry rot. Then, when they are used, they might blow out or wear quickly and people might think it is the construction of the tire or the brand that is no good when in reality the tires were not properly maintained. Another issue is that sometimes people use vehicle tires not rated for the capacities typically handled by trailers instead of trailer tires. This can cause the...
    view full answer...
  • Galvanized Spare Wheel and Tire for PWC Trailer with Tire Size ST175/80R13
    For what you are looking for we have the part # AM3S160 which is the tire size ST175/80R13 mounted on a galvanized wheel with a 5 lug bolt pattern like you are looking for. The ply rating is also 6 as well.
    view full answer...
  • Need ST175/70R13 Radial Tire And Galvanized Wheel 5 On 4-1/2 Inch For 1989 Bass Tracker Trailer
    On your 1989 Bass Tracker trailer you will need to check the side of your tire and see what load range is on your current tire. It will be either a load range C (6 ply rated) which has a maximum load of 1,360 lbs. at 50 psi. or a load range D (8 ply rated) with a maximum load of 1,610 at 65 psi. I have both of the load ranges available in the ST175/80R13 radial tire size with a 5 on 4-1/2 galvanized wheel. The Karrier ST175/80R13 Radial Trailer Tire with 13 Inch Galvanized Wheel - 5...
    view full answer...
  • Rim and Tire Recommendation for Use on a 1989 Easyloader Trailer
    From a clearance point of view, the Loadstar ST175/80D13 Bias Trailer Tire with 13 inch Galvanized Wheel, part # AM3S160, should work fine since you have plenty of clearance. The rim that is on the # AM3S160 has a 5 on 4-1/2 inch bolt pattern, you will want to confirm that that is the bolt pattern hub you have on your 1989 Easyloader Trailer. Check out the link below to see how to determine what bolt pattern hubs you have. There is also a link below on how to measure a trailer tire that...
    view full answer...
  • Speed Rating and Tire Pressure Recommendation On a ST175/80-13 Tire
    The speed rating on all special trailer tires (ST) is 65 miles per hour. It is not recommended to run a trailer tire at a higher speed than 65 miles per hour due to the heat buildup that will occur inside the tire and cause the tire to break down and cause the tire to fail. Special trailer (ST) tires should be inflated to the maximum air pressure that is stamped on the sidewall of the tire. It will be stamped with a designation of maximum load at a maximum psi. On a ST175/80-13 tire...
    view full answer...
  • Recommendation for Trailer Tires to Replace 6.5 X 13 Tires on a Boat Trailer
    If the wheel size on your boat trailer is 6-1/2 inches wide overall by 13 inches then you can use either ST175/80-13 tires and wheels such as # AM3S160 or ST185/80-13 tires and wheels such as # AM3S334. These tire and wheel combos come with galvanized wheels so they are great for marine applications like boat trailers. They also both have a 5 on 4-1/2 bolt pattern. I have included some links on these tires and trailer tires in general for you.
    view full answer...
  • Replacement ST175/80D-13 Load Range C Galvanized Wheel/Tire Combo for 2012 Trailstar Boat Trailer
    We do indeed offer the wheel/tire combo you're looking for. The # AM3S160 features a 175/80-13 bias-ply load range C tire mounted on a 13 x 4-1/2 inch galvanized rim with a 5 on 4-1/2 inch bolt pattern. If you'd prefer a cooler-running radial tire of the same size and load range on the same wheel, use part # AM31952. Assuming you have 1/2-20 lug nuts, we offer solid stainless lug nuts as part # KALN1375S, which are sold individually. For a less expensive option, there's a steel lug nut...
    view full answer...

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Info for this part was:

Expert Research:
Mike L
Expert Research:
Michael H
Expert Research:
Jeff D
Expert Research:
Jameson C
Updated by:
Laura H
Updated by:
Mary E
Updated by:
Sarah W
Updated by:
Isabelle B

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