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  1. Trailer Tires and Wheels
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  6. Load Range D
Loadstar ST175/80D13 Bias Trailer Tire - Load Range D
Kenda

Loadstar ST175/80D13 Bias Trailer Tire - Load Range D

Part Number: AM1ST77
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Trailer Tires and Wheels
AM1ST77 - 13 Inch Kenda Trailer Tires and Wheels
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Top-quality, bias trailer tire has been rigorously tested to ensure that it exceeds Department of Transportation standards. This tire fits 13" wheels; its maximum load is 1,610 lbs at 65 psi. Great Prices for the best trailer tires and wheels from Kenda. Loadstar ST175/80D13 Bias Trailer Tire - Load Range D part number AM1ST77 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 - AM1ST77

  • 13 Inch
  • Tire Only
  • 175/80-13
  • Load Range D
  • Bias Ply Tire
  • M - 81 mph
  • Kenda

Top-quality, bias trailer tire has been rigorously tested to ensure that it exceeds Department of Transportation standards. This tire fits 13" wheels; its maximum load is 1,610 lbs at 65 psi.


Features:

  • Flatter tread offers improved stability for excellent handling
  • 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
  • Advanced rubber compound
    • Longer tread wear
    • Low rolling resistance for smooth ride
  • Bias tire meets DOT requirements


Specs:

  • Fits: 13" x 4-1/2", 13" x 5", and 13" x 5-1/2" rims
  • Tire size: ST175/80D13
    • Section width: 6.6"
    • Outer diameter: 24"
  • Capacity:
    • Load range: D
    • Ply rating: 8
    • Maximum load: 1,610 lbs at 65 psi
  • Maximum speed: 81 mph (speed rating M)
  • 5-Year limited warranty
  • 1-Year worry-free guarantee


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.



1ST77 Loadstar K550 Bias Tire - LR D





Customer Satisfaction Score:

Ratings & Reviews

4.8

3657 reviews
5 Stars
(3098)
4 Stars
(386)
3 Stars
(76)
2 Stars
(33)
1 Star
(64)
Top-quality, bias trailer tire has been rigorously tested to ensure that it exceeds Department of Transportation standards. This tire fits 13" wheels; its maximum load is 1,610 lbs at 65 psi.

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Great Product, Price and Delivery Time.



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3657
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See what our Experts say about this Kenda Trailer Tires and Wheels

  • 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.
    view full answer...
  • Tire Recommendation for a Trailer Used on Paved and Dirt Roads Size 175/80-13
    The best tire for your trailer will really depend on how much time you spend on paved roads versus dirt or gravel roads. At the 175/80-13 tire size, you can choose between a radial tire and a bias ply tire. Radial tires, like part # AM10210, have more flex, better ground contact, traction, tread wear and runs cooler than a bias ply tire. A bias ply tire, like part # AM1ST77 has a thicker sidewall and is ideal for off-road use, but if you spend more time traveling on paved roads, a radial...
    view full answer...
  • What is the Difference Between ST175/80D13 and ST185/80D13 Tires and Load Range C and D
    The ST185/80D13 trailer tire will be 10mm wider and the tire will go from 24 inches tall to 24-1/2 inches tall. Just make sure you have space to accommodate the extra height and width so that you do not end up with tire rub. Load range C tires have a ply rating of 6, and load range D tires have a ply rating of 8. Load range D tires are bit heavier built and have a higher weight capacity. The ST175/80D13 tire you were looking at is load range D and can bear 1,610 pounds at 65 psi. An ST17580D13...
    view full answer...
  • What is the Difference Between Load Range C and D ST175/80D13 Trailer Tires
    The difference between an load range C and load range D tire in the same size is the capacity and psi rating. The two tires will still have the same dimensions and fit on the same wheel. The D rated tire has a higher capacity. For a ST175/80D13 like # AM1ST77, the capacity is 1,610 pounds at 65 psi. For a C load range in the same size, like # AM1ST76 , the capacity is 1,360 pounds at 50 psi. Adding the D load range tires of the same size will fit your trailer, but they will not allow you...
    view full answer...
  • Comparing a 185/80-13 Tire to the 175/80-13 Size on Americana Trailer Tire AM1ST77
    In height or total diameter, a 185/80-13 and 175/80-13 like part # AM1ST77 only differ by about 5/8 of an inch. The 185 would have a diameter of 24.65 inches while the 175 would have a diameter of 24.02 inches. The section width, or thickness of the tires differs is slightly more noticeable. The 185 would be 7.28 inches wide while the 175 is 6.89 inches wide. Take a look a the FAQ I have linked for more information on tire sizing.
    view full answer...
  • Recommended Tire for Camper With 7,700 lb GVWR
    A radial tire is actually a better option than a bias tire; radial tires are going to flex more than bias tires and also run cooler, which means they are better for standard driving. A bias tire is going to be better for off-road, agricultural use so I highly recommend a radial tire for a camper. In terms of your load range C tire with a rating of 1,820 lbs, that would mean when inflated to the max 50 psi the tires have a capacity of 7,280 lbs and you will want a capacity that is at least...
    view full answer...
  • How to Determine the Right Air Pressure to Fill a Trailer Tire
    I can end this debate for you real fast! Trailer tires, which will have an ST in front of the size, should always be inflated to the maximum psi indicated on the tire. Trailer tires usually do not have a recommended and maximum psi indication so I am curious if the tries on the camper are ST tires or regular passenger vehicle tires. On a regular trailer tire you would inflate it to the max psi indicated on the tire because trailer tires are built with a thicker sidewall to handle more vertical...
    view full answer...
  • Reducing The Overall Height Of A 2022 Helio O4 Travel Trailer
    Hey Jim, Why are you wanting to lower the height of the trailer? Lowering the wheel sizing is likely going to give you more problems than it helps solve.
    view full answer...
  • Can Trailer Tires be put on Horse Drawn Wagon?
    It is feasible to put trailer tires on your horse drawn wagon. You would need to get tires that fit the same size wheel, which is 13 inches, and also make sure that your new tires have the appropriate load range for your wagon. We have tires that will fit 13" wheels and are sized 175/80-13. Your current tires are 7.3" wide and have a diameter of 23.2"; tires that are 175/80-13 are 6.9" wide and have a diameter of 24". The option for a load range D radial tire, which has a maximum capacity...
    view full answer...
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  • Replacement Trailer Tire 175/80R13
    We have a great replacement tire that is 175/80R13, part # AM10210. It is not a white wall tire though, and we don't carry any white wall tires. But this tire is a radial tire that would work great on your camper. Check out the review video I attached for this tire as well as the help article I attached on trailer tires.
    view full answer...
  • Upgrading Trailer Tires from 13 Inch Tire to a 14 Inch Tire
    Sounds like you would like to upgrade your tire and wheels on your trailer. You may substitute a 14 inch tire and wheel as long as you have both the wheel well height and width clearance for it, the capacity of your trailer, and has the 5 on 4-1/2 same bolt pattern. If you are trying to substitute just the tires, the Kenda # AM1ST77 will fit rims that measure 13 x 4-1/2 inches, 13 x 5 inches, and 13 x 5-1/2 inches. Increasing to the 14 inch 205/75-14 tire like # TR20514 will fit a 14...
    view full answer...
  • Should trailer Tires Be Inflated To The Max PSI When Cold?
    Hello there Cathy, I can definitely help clear this up. Trailer tires should always be run at the listed max psi and filled to that psi while cold. By cold I mean when it is not being used on the road. So, filling a tire to the max PSI on a hot Florida day is still considered "cold" in tire terms. The 80 psi for cold is just for the tire being cold and wouldn't be the max psi once it actually heats up. You are right that the PSI does increase when you start driving. Generally, it is 1...
    view full answer...
  • Do All Load Range D Trailer Tires Require Same Pressure
    Hey Tammy, when in doubt always go with what's on the tire as that's for sure correct. Not all Load Range D tires use the same pressure rating though. Especially different tire size Load Range D tires will have different pressure ratings.
    view full answer...
  • Can I Reduce The PSI On My Load Range G Trailer Tires?
    Hello Mike, thanks for reaching out. We do not recommend that you lower the PSI on your tires. Trailer tires should always be inflated to the maximum PSI listed on the sidewall. The load capacity of the tire is dependent on them being inflated properly. Lowing the PSI lowers the capacity to an unknown rating. This can potentially lead to overloading the tires.
    view full answer...
  • Correct Pressure for Trailer Tires
    Your typical trailer tire like your Carlisle Sport 5.30-12 tires should be run at the max psi rating unless you have some kind of chart like Goodyear tires have. At 80 psi you know the tires have a max load of 1,050 lbs. If you chose to not inflate the tires to 80 psi then you would have an unknown capacity for that tire.
    view full answer...
  • Comparison of Load Range C And Load Range D Trailer Tires
    Whether a load range C or the greater capacity load range D, your will need to keep your tires inflated to their maximum psi rating for best performance and longest life. For a ST175/80D13 with load range D like the Loadstar Item # AM1ST77, the capacity is 1,610-lbs at 65 psi. For a C load range in a similar Loadstar like Item # AM1ST76, the capacity is 1,360-lbs at 50 psi. Both "would fit" but which is best will depend on overall capacity as determined by your axle capacity and to some...
    view full answer...
  • Moving from Load Range C Trailer Tires to Load Range D Trailer Tires and Radial versus Bias Tires
    The load range has to do with the horizontal and sidewall strength of a trailer tire. The C range tires are 6 ply and the D range tires are 8 ply. Because you are operating at half of the spring capacity of your trailer, bumping to a higher load range won't adding much of a benefit other than giving yourself greater peace of mind. You will adding a stronger tire which can technically create a more rigid ride for the trailer, but this isn't very noticeable when moving up one load rating....
    view full answer...
  • Proper Tire Pressure For Loadstar Trailer Tires
    We have 3 tire options that are Kenda Loadstar in that size. We have the Loadstar ST175/80D13 Bias Trailer Tire - Load Range D # AM1ST77, the Loadstar ST175/80D13 Bias Trailer Tire - Load Range C # AM1ST76, and the Loadstar ST175/80D13 Bias Trailer Tire - Load Range B # AM1ST74. The difference between these are their load capacity and ply rating with the strongest being the Load Range D tires. To ensure proper tire pressure on Loadstar tires, you will inflate them to their max capacity...
    view full answer...
  • What Causes Trailer Suspension Equalizers to Sit Unlevel
    What causes the equalizers of the trailer suspension to not sit level can be caused by a few things. Typically it's just a trailer not sitting perfectly level which can easily be leveled by lowering or raising nose of trailer. Or it can be that the leaf springs are too long, or that the hangers were mounted too close to each other. So shorter springs can fix this or spacing out the hangers a little more.
    view full answer...
  • Recommended Heavy Duty 17.5 Trailer Wheels And Tires For 16000lb Trailer
    I have another option for you, but 17" wheels are not very common on trailers so there is not many tire or wheel options available. Instead I recommend a 17.5" wheel and tire as they offer quite a few heavy duty options. I recommend going with a wheel like the Aluminum Lynx Trailer Wheel - 17-1/2" x 6-3/4" Rim - 8 on 6-1/2 - Black # 274-000006 as it is centered by the lug nuts like your current wheels where the steel wheels in this size center on the hub and would require a different hub. Though...
    view full answer...
  • Can Radial Tires be Used to Replace Bias Ply Tires on a Trailer
    Yes, you can put radial tires on your trailer to replace the bias ply. You will just need to make sure that the new tires are the same size and load range as the old tires. Radial tires track better and run cooler than bias ply tires. But for either style make sure that the tires are inflated to the maximum psi indicated on the tire sidewall. Trailer tires, whether radial or bias, are made with a thick sidewall so if they are under inflated it will cause the thick sidewall to generate...
    view full answer...
  • Recommended Radial Versus Bias Trailer Tires for Tandem Axle Trailer
    When using trailer tires, you want all your tires to match so they will wear evenly and have the same traction. It is not recommended to use a mix of radial and bias tires. The radial tires are made differently from the bias tires, so they will absolutely wear differently and will also heat up differently when in use. The friction from contact with the ground will allow the bias tires to heat up more than the radial. Since you often go in the bush, you will want to determine if a bias...
    view full answer...
  • Recommended 13 Tire to Replace Loadstar H188 Trailer Tires
    Although the Kenda Loadstar # AM1ST77 is a great tire, it is a bias tire and is better for off-road use. When traveling on the highway radial tires are the better option. Radial tires have cords that 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 gives them less rolling resistance and allows them to remain cooler and last longer on the highway. For your application I recommend going with the...
    view full answer...
  • Weight Ratings and Inflation Pressure Required for Special Trailer Tires in Size ST175/80R13
    We do offer several brands of special trailer tires (ST tires) but not Carlisle so I cannot comment on their products. RV forums may help you find out what folks think about them and other brands. Right on our site you can refer to the customer reviews we post on each tire page; just click on the gold stars to see what etrailer customers think of that product after having owned it for a while. The tire size ST175/80R13 can require more or less inflation pressure depending on the tire's...
    view full answer...


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