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Loadstar ST175/80D13 Bias Trailer Tire with 13" Galvanized Wheel - 4 on 4 - Load Range B

Loadstar ST175/80D13 Bias Trailer Tire with 13" Galvanized Wheel - 4 on 4 - Load Range B

Item # AM3S040
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Bias tire has a ply rating of 4 and a 1,100-lb maximum load at 35 psi. The 13" diameter x 4-1/2" wide steel trailer wheel features a 4 on 4 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 - 4 on 4 - Load Range B part number AM3S040 can be ordered online at etrailer.com or call 800-298-8924 for expert service.
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Kenda Trailer Tires and Wheels - AM3S040

  • Tire with Wheel
  • 13 Inch
  • 4 on 4 Inch
  • 175/80-13
  • Load Range B
  • Steel Wheels - Galvanized
  • Boat Trailer Wheels
  • Bias Ply Tire
  • Kenda
  • Good Rust Resistance

Bias tire has a ply rating of 4 and a 1,100-lb maximum load at 35 psi. The 13" diameter x 4-1/2" wide steel trailer wheel features a 4 on 4 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: 4 on 4"
  • Wheel capacity: 1,660 lbs
  • Wheel bolt size: 1/2"-20
  • Pilot diameter: 2.65"
  • Tire size: ST175/80D13
    • Section width: 6.6"
    • Outer diameter: 24"
  • Tire capacity:
    • Load range: B
    • Ply rating: 4
    • Maximum load: 1,100 lbs at 35 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"




3S040 8-Spoke 13" Galvanized Wheel and Loadstar K550 Bias Tire - LR B





Video of Loadstar ST175/80D13 Bias Trailer Tire with 13" Galvanized Wheel - 4 on 4 - Load Range B

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Kenda Tires and Wheels - Tire with Wheel - AM3S040 Review

Today we're going to be taking a look at the Loadstar ST175/80D13 Bias Trailer Tire with a 13 inch galvanized wheel. This is a Loadstar special trailer tire. It's going to feature a flatter tread, so that's going to offer improved stability for excellent handling. It is a special trailer tire design, so it couples the strength of a bias tire with the durability and stability of a regular tire. It is created specifically for trailers and not intended for use on other vehicles. It's going to feature advanced rubber compounds, longer tread wear and low rolling resistance for a smoother ride.

The steel wheel has an eight spoke design. It is galvanized to resist rust and corrosion. The tire and wheel assembly meets the Department of Transportation specifications. When it comes to the dimensions of the rim, that's from bead seat to bead seat, that's a 14 inch diameter rim. It's going to give a width of four and a half inches.

The bolt pattern on the unit is four on four inches. That means that we have four holes and center on center, they're separated apart from one another by four inches. The wheel capacity is 1,660 pounds. Wheel bolt size is a half inch by 20. The pilot hole diameter that's going to be 2.65 inches. Just a really nice design on all the way around.

This does have a speed rating of M, which stands for 81 miles per hour, that's the maximum speed rating for this assembly. When it comes to the tire size, again that's ST175/80D13. Section width, it's going to be 6.6 inches and then outer diameter when properly inflated is around 24 inches. When it comes to the capacity of the tire, that's a load range B, which gives it a four ply rating. Maximum load of 1,100 pounds at 35 psi.

That's going to do it for today's look at the Loadstar ST175/80D13 Bias Trailer Tire with a 13 inch galvanized wheel.


Customer Reviews

Loadstar ST175/80D13 Bias Trailer Tire with 13" Galvanized Wheel - 4 on 4 - Load Range B - AM3S040

Average Customer Rating:  4.9 out of 5 stars   (2514 Customer Reviews)

Bias tire has a ply rating of 4 and a 1,100-lb maximum load at 35 psi. The 13" diameter x 4-1/2" wide steel trailer wheel features a 4 on 4 bolt pattern and a corrosion-resistant galvanized finish.

- AM3S040
by:

Appears to be of good quality. Unfortunately no paperwork as to warranty and recommended tire pressures. Now I can travel faster than 45 mph! Lol. 408398



- AM3S040
by:

Bought these to replace the small 12in wheels that came with my trailer, and I've been extremely happy with them so far. They look great, added nice clearance for my trailer, and increased the speed rating to allow me to comfortably travel at highway speeds. I've made two long trips with the trailer since I bought these (350+ miles), and was very happy with the performance on the road. Visually, I feel these wheels/ tires have improved the look of my trailer also, so that's a nice plus as well. Would definitely recommend these wheels/ tires. 681159



- AM3S040
by:

Great Product and Fantastic Service!!!! Always a Great Experience with etrailer!!! 555276



- AM3S040
by:

Product is exactly as described for a great price. Ordering and checking out were simple. I was kept upto date on my product and shipping details. Was an overall good experience and I look forward to doing business with you again. Thank you 550954



- AM3S040
by:

My biggest issue was would the wheels be straight and run true and these do. 545531



- AM3S040
by:

Excellent service and received tires qu ickly 544455



- AM3S040
by:

Very nice product, extremely fast shipping and nice to have in a package deal of tire and wheel. previous purchaser and will return. Sincerely 499278



- AM3S040
by:

Works great on my boat trailer and etrailer was very good about shipping. Thank you. 437548



- AM3S040
by:

Exactly what I expected. Already put them on my wheel fish house look great! 404098



- AM3S040
by:

looks good,fits good and service was gr eat........ 227096



- AM3H490
by:

Review from a similar Loadstar Galvanized in Trailer Tires and Wheels


Great service, excellent shipping and superior product. 519358



- AM3S334
by:

Review from a similar Loadstar Galvanized in Trailer Tires and Wheels


Very happy and satisfied 654762



- AM3H490
by:

Review from a similar Loadstar Galvanized in Trailer Tires and Wheels


Everything was great from the delivered products to the 2 day shipping time. Will use etrailer.com again in the future and will definitely recommend them to anyone I know looking for trailer tires. 682097



- AM30050
by:

Review from a similar Loadstar Galvanized in Trailer Tires and Wheels


exactly what I expected, easy to install, and good price 698056



- AM3S450
by:

Review from a similar Loadstar Galvanized in Trailer Tires and Wheels


Thanks. On the road right now. I'll look at it all when I get home. 588997



- AM31242
by:

Review from a similar Loadstar Galvanized in Trailer Tires and Wheels


Great company to deal with !!!! I've got products from etrailer many times over the years and they always treated me with the greatest of respect ! Real pros!! 690171



- AM30790
by:

Review from a similar Loadstar Galvanized in Trailer Tires and Wheels


Everything that I wanted, at a great price. Even the neighbors were impressed. 588369



- AM31242
by:

Review from a similar Loadstar Galvanized in Trailer Tires and Wheels


Products showed up on time and in good condition. 680658



- AM31242
by:

Review from a similar Loadstar Galvanized in Trailer Tires and Wheels


Tires look great, ordered and received them in several days as promised !! Thank you !! 440463


Comments
A year later the Tires that I ordered are still looking good and working well. Thanks !!
Bill D - 10/07/2018

44395

- AM3S650
by:

Review from a similar Loadstar Galvanized in Trailer Tires and Wheels


The tire and wheel combo was received just as described and expected from etrailer's web page and discussions with their staff. They were purchased as a complete replacement for an equipment/heavy duty tandem axle utility trailer (which gets occasional use). They meet or exceed the trailer manufacturer's original specs. I was debating between bias ply (original spec) or upgrading to radials. My research, along with support, confirmations and suggestions from etrailer's professional, courteous and knowledgeable staff, prompted the best option/advantage was to stick with the bias ply. I have had good experience with Loadstar bias ply tires in the past, which also helped solidify my decision. My choice of galvanized rims to replace the rusted original white spoke rims should provide better appearance and integrity for years to come. I have yet to mount the tires and rims, but anticipate no problems and they will more than satisfy my needs. I am also confident etrailer and Kenda/Loadstar will stand behind their product should a problem occur. 486450


Comments
I am very pleased with eTrailer and their product. Great quality and value. Tires/wheels have performed well for both on-road and off-road use, under various loads. I highly recommend and trust eTrailers experience, professionalism and advice. It was a pleasure doing business with eTrailer and their staff, especially for their support before and after purchasing. I will have no hesitation contacting eTrailer on any future needs. Thanks.
Bryan B - 03/19/2019

50709

- AM3H320
by:

Review from a similar Loadstar Galvanized in Trailer Tires and Wheels


Exactly what I wanted as a direct replacement for an old rusty and tread worn tire and rim. GREAT JOB AND EXCELLENT PROSUXT AND FAST SERVICE!!!! 566927



- AM3S060
by:

Review from a similar Loadstar Galvanized in Trailer Tires and Wheels


Economy Spare Tire Carrier . Works great for the money and very easy to install. I had to make a easy to do adapter because of the area I had to mount it. 2 short peices of pipe and 2 large washers would do it. I have welding capability so I went one step further. 733770



- AM3H490
by:

Review from a similar Loadstar Galvanized in Trailer Tires and Wheels


I bought six for my pontoon boat, two spares, beautiful look, excellent job, even better price. fast delivery, thank you. 715317



- AM30590
by:

Review from a similar Loadstar Galvanized in Trailer Tires and Wheels


Ordered replacement jet ski trailer tires and wheels. Great price. Quick delivery. 605496



- AM30630
by:

Review from a similar Loadstar Galvanized in Trailer Tires and Wheels


tires were just as described!. Christina was very pleasant to deal with.outstanding service. ordered on wed., was told that they would arrive on the following Tuesday,was very shocked and surprised to have them arrive on Saturday morning!!!!very happy overall!!!!!! will buy again!!! 714011


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Show More Reviews

Ask the Experts about this Kenda Trailer Tires and Wheels

  • What Is the Offset of the Loadstar ST175/80D13 Trailer Tire Galvanized Wheel Part # AM3S040
    The Loadstar ST175/80D13 Bias Trailer Tire with 13" Galvanized Wheel part # AM3S040 has a 0 offset which means the mounting surface is lined up directly with the middle of the wheel (side to side). All of our 13" diameter wheels with 4 on 4" bolt pattern have a 0 offset as with most trailer wheels in general as well.
    view full answer...
  • Speed Rating for Trailer Tire AM3S040
    The speed rating for the trailer tire part # AM3S040 that you referenced is 65 mph. If you wanted a higher speed rated tire we have the part # C17513C which is rated for up to 81 mph. This tire is also a radial which is preferred to the bias ply tire you referenced. The main difference between a radial ply and a bias ply tire is how the tire is constructed. The cords inside a bias ply tire run at a 32 degree angle to the direction of travel, and the cords on a radial tire run at a 90...
    view full answer...
  • Recommended ST175/80D13 Tire for 1966/67 Aristocrat Lo Liner Camper
    The Loadstar ST175/80D13 Bias Trailer Tire w/ 13" Galvanized Wheel # AM3S040 that you referenced will work very nicely on your 1966/67 Aristocrat Lo Liner. This ST175/80D13 size tire features a maximum load of 1,100 pounds at 35 psi, giving you a combined load capacity of 2,200 for the two tires; more than enough to handle the 1,800 pound GVWR on the camper. This tire also has an excellent speed rating of 81 mph and the galvanized wheel, as you mentioned, will provide superior rust resistance....
    view full answer...
  • Do Trailer Wheel and Tires Come Machine Balanced
    The tire and wheel combos we carry 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...
  • Trailer Tire and Wheel With 4 on 4 Bolt Pattern
    The largest tire and wheel combination you can get with a 4 on 4" bolt pattern is going to have a 13" rim and 175/80-13 tire. This will give you a tire and wheel that is a total of 24" in diameter and 6.6" wide, which will be 7.9" larger in diameter and 2" wider than your current set up. Depending on the capacity you need, your options for this are the Loadstar # AM3S040, which has a 1,100 lb capacity at at 35 psi or the Loadstar # AM3S130 which has a 1,360 lb capacity at 50 psi.
    view full answer...
  • Tracker Pontoon 13 inch Trailer Wheel Recommendation
    The rivets you described are just for looks and do not serve an actual purpose. For a 13 inch wheel with a 5 on 4-1/2 inch bolt pattern in a galvanized finish the part # AM20234 would work for you. Or if you have a 4 on 4 inch bolt pattern the # AM20224 would work. Galvanized wheels are great for boat trailers since they do a great job fighting corrosion. Or for a wheel and tire the part # AM31994 for a 5 lug wheel and part # AM3S040 for a 4 lug.
    view full answer...
  • Availability of 13 inch Trailer Tire and Wheel in Shortest Diameter
    The shortest diameter 13 inch trailer tire size we offer is 175/80R13 which we offer mounted on wheels with either a 5 on 4-1/2 inch bolt pattern like the part # AM31994 or with a 4 on 4 inch bolt pattern like part # AM3S040. The diameter of the tire is 24.1 inch.
    view full answer...
  • Can a Harbor Freight Boat Trailer with 4.80x8 Tires be Switched to 175/80-13 Trailer Tires
    There are several things to consider when switching to larger tires and wheels on a trailer. First you need to consider the height difference. On a 4.80x8 trailer tire, you are looking at a diameter of about 16 inches. On a 13 inch, like # AM3S040, the diameter is 26 inches. That 8 inch difference means that the top of the tire will be 4 inches higher than your existing tires. You would need to remove the fenders, if equipped, for the tire to fit. You also have to consider width. A 4.80x8...
    view full answer...
  • 12 Inch Trailer Tire and Wheel Combo for a Boat Trailer Spare Tire
    We only sell new parts and I am sure we will have something that will work for you. For 13 inch tire and wheel combos with 4 on 4 inch bolt pattern we have options in tire size ST175/80-13. White steel wheel, load range B, rated for 1100 pounds at 35 psi use # AM3S030 White steel wheel, load range C, rated for 1360 pounds at 50 psi use # AM3S120 Galvanized wheel, load range B, rated for 1100 pounds at 35 psi use # AM3S040 Galvanized wheel, load range C, rated for 1360 pounds at 50...
    view full answer...
  • Old trailer rim
    If you somehow got a tire for a 13 inch wheel to fit a 14 inch rim I cannot safely recommend that you drive with that setup. Usually, a 175/70-13 is a passenger car tire. The closest fit for a trailer tire size would be a 175/80-13. For a rim and tire with that size that would fit your 4 on 4 bolt pattern I would recommend the part # AM3S040. This has a pilot diameter of 2.65 inches. The only other option for if you have a different pilot diameter would be the # AM3S101 which has...
    view full answer...
  • Trailer Tire Recommendation to Replace Tire Size P155/80R13
    The tire size you have is for passenger vehicles since it starts with the letter P. You shouldn't run that style of tire on a trailer so replacing what you have is the right move. We have a very similar size as 175/80-13 that is rated for trailer use. For a wheel and tire you'd want the part # AM31985 for if you have a 5 on 4-1/2 inch bolt pattern or part # AM3S040 for if you have a 4 on 4 inch bolt pattern.
    view full answer...

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Info for this part was:

Expert Research:
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Updated by:
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Installed by:
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