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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

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AM3S040 - 4 on 4 Inch Kenda Trailer Tires and Wheels
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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. Great 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 1-800-940-8924 for expert service.
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Kenda Trailer Tires and Wheels

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

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
  • Offset: 0
  • 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

Item # AM3S040





Customer Satisfaction Score:


Customer Reviews

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

Average Customer Rating:  4.8 out of 5 stars   (6433 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.

by:

Wheel was not balanced, made the whole trailer shake, had to have that done, along with two other wheels purchased from etrailer. The tire place showed me a weld on the rim that was definitely not done by a professional, they recommended only using that wheel as a spare only. The other two wheels were in good shape, just badly out of balance.

Etrailer Expert

Jenny N.

7/17/2023

Typically trailer tires will not come balanced like vehicle tires are. They are meant just to support the trailer load versus providing a smooth ride for people. You can have the trailer tires balanced. Just remember that many trailer wheels are centered by the position of the lug bolts [these wheels are lug-centric] and not the center bore of the wheel. For best results, have them balanced using a pin plate adapter. This mimics the way a lug-centric wheel is mounted to a hub.



by:

These tires and wheels are in use every day on my honey bee trailer. Great product and recommend them to anyone who wants tires for their trailers.



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.



by:

Arrived quickly. Appears to be a good product for a great price. Put them on the trailer but won’t know for sure for several months. Seems to be as advertised



by:

Wheels and tires look and perform great! This was used on a motorcycle “trike” kit assembly. Perfect for this application!



by:

Good looking wheels and tires.. making a kayak trailer from an old boat trailer with a 4 lug axle.. these are just a fit and a good replacement for old 12” wheels



by:

A great product in a timely arrival, the tires and wheels fit like they were supposed to and they look great.



by:

This tire and wheel is as advertised.
It
is a spare for my very old boat trailer - to limp me home on surface streets if get a flat.
Doing its job fine.



by:

Ordering was simple and easy enough, I ordered the wheels (galvanized rims) and new tires. The web site showed me how to tell my wheel size, received and installed both on my trailer in a few minutes each side. Price was great and a name brand quality that I was looking for . I highly recommend e trailer! South Florida boat trailer salt water

Thomas

10/22/2022

Most excellent! Still happy with my purchases



by:

Tire arrived flat. I inflated to proper pressure and within a couple days it was flat again. Note, these tires were never used and the trailer I installed them on never left the garage. So, zero mileage on the tires. I. Called your phone number listed only to be told I had to go to the tire Manufacture to figure out how to return the tire, if they would even allow me to. So if you want to deal with this company and take your chance on any sort of customer service you are in the right spot. I’ll take my future business elsewhere.



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.



by:

Great tires for th kayak trailer. These made a huge difference.



by:

Great Customer service, great packaging and shipping speed. Overall 5 Stars.



by:

Arrived on time and appears to be a good value.



by:

Nice setup.



by:

Excellent site for trailer needs.



by:

I ordered 2 replacements tires for my boat trailer. I decided to get rims as well since I needed a spare and with the cost of mounting tires, I figured to break even selling the other original as a spare.

My initial impression of the rims and tires is great. In fact, I was even surprised as I expected some tires off a shelf with a layer of accumulated dust. Not the case at all. These were clean and shiny with not even a scuff. I ordered 2 and they were shipped in a box! Frankly, I was impressed and I don't impress easily.

Shipping was UPS and tracking was accurate. Product arrived on time.

I also want to add that I appreciate the short hold times and informed staff at etrailer. They proved very helpful on my purchase.

Very pleased with these tires.

Thomas

4/2/2021

I have put quite a few miles on these tires and they have held up very well. Very pleased with my purchase and if I had the chance, would buy them again from etrailer.



by:

I would never purchase this model of tire again. First trip, less than 350 miles on tires, the left one blew out completely (a very large rip about a foot long). The total trailer weight for this maiden trip was only 500 lbs, so only 250 lbs load on the tire.

Also, I was surprised by the tread pattern. Looked nothing like a road trailer tire or even a car road tire that I have used. Looked more for off-road, yet with without thick nobbies.

I'm anticipating some small partial warranty refund, but after paying tire disposal fees, and realizing the matching tire is not to be trusted; I'll be out about $[XX] bucks. I didn't expect this from an etrailer purchase. Granted etrailer's customer service is quick & polite, but I'm still out $[XX].



by:

Good tires at a very good price with quick shipping



by:

Always have what i need , and quick shi pping



by:

Looks like good quality. Very fast and free shipping. No complaints here. Thanks!



by:

Efficient, knowledgeable, and helpful, I've used etrailer for 2 towbars and now wheels and they are a great company to deal with.



by:

Fast service quality product



by:

tires were better than expected and fit perfectly!
this is my second time using
e-trailer and I will again in the future.
excellent communication from the time I purchased to the time they arrived! great company to deal with thank you guys..



by:

Wonderful customer service by phone and chat prior to order. Arrived quickly and exactly what was needed for trailer.


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

  • 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 psi...
    view full answer...
  • Replacement Tire Recommendation for a B78-13 Trailer Tire
    Yes, your Loadstar ST175/80D13 Bias Trailer Tire with 13" Galvanized Wheel - 4 on 4 - Load Range B # AM3S040 would be a great option for replacing the tires on your boat trailer. The 4 on 4" bolt pattern can be verified by measuring center to center of opposite bolt holes and then you just need to check that the 1,100 lb load range B rating is high enough for your boat and trailer combined. Please note you'll combine the weight rating of both tires so altogether you're looking at 2,200...
    view full answer...
  • 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...
  • What is Largest Trailer Tire and Wheel Combo that Fits 4 on 4 inch Bolt Pattern
    The tallest wheel and tire combo we offer that fits a 4 on 4 inch bolt pattern would be the size 175//80-13 like the Loadstar ST175/80D13 Bias Trailer Tire with 13" Galvanized Wheel # AM3S040 which has an overall diameter of 24 inches.
    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 a pilot...
    view full answer...
  • Best Wheel Finish For Salt Water Using ST175/80D13 Boat Trailer Tire
    The galvanized finish is better for salt water than your white powder coated wheels. If you want the best wheel for use in salt water you will want to use an aluminum wheel. I see that you were looking at the Loadstar ST175/80D13 Bias Trailer Tire # AM1ST77, below is a list of the wheels for this tire that you can use. Galvanized Steel Spoke Trailer Wheel 5 on 4-1/2 # AM20234 Galvanized Steel Spoke Trailer Wheel 4 on 4 # AM20224 White Powder Coated Steel Spoke Trailer Wheel 5 on 4-1/2...
    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...
    Image 1 for
  • 13 Inch Boat Trailer Wheel and Tires With 4-Bolt Pattern
    Sure, you can go from 12 inch to 13 inch wheels and tires on your boat trailer that has 4-bolt hubs. You just want to be sure to maintain 3" of clearance from the top of the tire to your fender and at least 1" of clearance between the inside of the tire and your trailer's frame rail. If you have that you can choose from the following wheels and tires for your boat trailer, depending on the load capacity you need, and they measure 24" in diameter and 6.6" wide. - Load Range B (1,100 lbs...
    view full answer...
  • Replacement Trailer Wheel and Tire for Size ST175/80R13
    We have wheel and tire combos that are exactly what you have now so that would be what I would recommend sticking with since it's a size you know fits. Now the only variable will be the wheel bolt pattern. If your current wheels are held on with 5 lug nuts then you'd want the part # AM31994 which has a 5 bolt pattern but if it's a 4 bolt pattern instead you'd want the # AM3S040.
    view full answer...
  • Tire and Wheel Options For a Thule 1700 Adventurer Trailer with 145/80r13 75T Tires
    I have an alternate option for you, but from what I found it appears the 145/80r13 75T is an automotive tire. We carry trailer tires, but not automotive tires and recommend the use of trailer tires on a trailer like your Thule Adventurer. Since you have a 4 on 4 bolt pattern and a 13" tire, you can use a tire and wheel like the Loadstar ST175/80D13 Bias Trailer Tire with 13" Galvanized Wheel # AM3S040. These will be a little different in size, so you would want to get 3 and use the 3rd...
    view full answer...
  • Availability of Trailer Wheel and Tire with Size ST175/80D13
    For a galvanized wheel with a ST175/80D13 mounted on it we have the part # AM3S130 for a 5 lug wheel or part # AM3S040 for a 4 lug wheel.
    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...
  • 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).
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  • 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...
  • 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...
  • Determining If Wider Tire Can Be Installed On Jayco Qwest Pop-Up with 5.30x12 Tires
    I may have one option for a 1" wider tire to replace the 5.30 x 12 tires on your Jayco Qwest Pop-up, but to be honest you're probably better off sticking with the tire size you have as pop-up trailers rarely have much room for larger tires. The only option would be a 175/80D13 tire and wheel like the # AM3S040 which has the same 4 on 4" bolt pattern you need, but will be a 1" wider tire at 6.6" overall width. However to make sure this is going to work you need to make sure you have at...
    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.
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  • 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 # TTWTRTM1758013C 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...
    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...
  • Largest Diameter Wheels and Tires For a Trailer With 4 on 4 Wheel Bolt Pattern
    The Loadstar ST175/80D13 Bias Trailer Tire with 13" Galvanized Wheel # AM3S040 is our largest wheel and tires capable of fitting on a hub with 4 on 4" bolt pattern. To move up to a larger 14" # AM32156 or 15" # AM32182 wheel and tire combination you will need to change out your hubs for the larger 5 on 4-1/2" bolt pattern. We have the Hub Assembly # AKIHUB-545-2-EZ-1K which will fit a 1" diameter BT8 spindle or a Hub Assembly # AKIHUB-545-2-EZ-2K which will fit a 1-1/16" diameter BTR...
    view full answer...
  • Can Trailer Wheel and Tire with Size 5.30-12 Upgrade to 13 inch Setup
    It's fairly common for trailer wheel/tire combos to be changed like you asked about. Assuming you have the additional fender clearance you could replace your current 5.3-12 tire that is mounted on a 4 inch wheel with a 4 bolt pattern with a 175/80-13 like the Loadstar Wheel and Tire part # AM3S040. This will be right at 2 inches taller and would take up 1 inch of your fender clearance. The advantage of going to a bigger tire is a little more ground clearance, more weight capacity, slightly...
    view full answer...

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Info for this part was:

Employee Jameson C
Expert Research:
Jameson C
Employee Laura H
Updated by:
Laura H
Employee Mary K
Updated by:
Mary K
Employee Wilson B
Updated by:
Wilson B
Employee Isabelle B
Updated by:
Isabelle B
Employee Dustin K
Video Edited:
Dustin K
Employee Cole B
Installed by:
Cole B

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