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Kenda 4.80/4.00-8 Bias Trailer Tire with 8" White Wheel - 5 on 4-1/2 - Load Range B

Kenda 4.80/4.00-8 Bias Trailer Tire with 8" White Wheel - 5 on 4-1/2 - Load Range B

Item # AM30020
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AM30020 - 5 on 4-1/2 Inch Kenda Trailer Tires and Wheels
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Bias tire has a ply rating of 4 and a 590-lb maximum load at 60 psi. The 8" diameter x 3-3/4" wide steel trailer wheel features a 5 on 4-1/2 bolt pattern and a corrosion-resistant powder coat finish. Lowest Prices for the best trailer tires and wheels from Kenda. Kenda 4.80/4.00-8 Bias Trailer Tire with 8" White Wheel - 5 on 4-1/2 - Load Range B part number AM30020 can be ordered online at or call 1-833-496-1390 for expert service.
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Kenda Trailer Tires and Wheels - AM30020

  • Tire with Wheel
  • 8 Inch
  • 5 on 4-1/2 Inch
  • 4.80/4.00-8
  • Load Range B
  • Steel Wheels - Powder Coat
  • Bias Ply Tire
  • Kenda

Bias tire has a ply rating of 4 and a 590-lb maximum load at 60 psi. The 8" diameter x 3-3/4" wide steel trailer wheel features a 5 on 4-1/2 bolt pattern and a corrosion-resistant powder coat finish.


  • Trailer tire by Kenda is designed for excellent handling at high speeds
  • Steel wheel resists rust and corrosion
    • White powder coat finish over e-coat primer
  • Tire-and-wheel assembly meets Department of Transportation specifications


  • Rim dimensions: 8" diameter x 3-3/4" wide
  • Bolt pattern: 5 on 4-1/2"
  • Wheel capacity: 910 lbs
  • Wheel bolt size: 1/2"-20
  • Pilot diameter: 2.8"
  • Offset: 0
  • Tire size: 4.80/4.00-8
    • Section width: 4.6"
    • Outer diameter (when inflated): 16.1"
  • Tire capacity:
    • Load range: B
    • Ply rating: 4
    • Maximum load: 590 lbs at 60 psi
  • Warranty:
    • 5-Year on tire
    • Limited 1-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"

A good alternative to 20.5 x 8-10 tires

30020 Solid 8" White Wheel and Kenda K371 Bias Tire - LR B

Customer Reviews

Kenda 4.80/4.00-8 Bias Trailer Tire with 8" White Wheel - 5 on 4-1/2 - Load Range B - AM30020

Average Customer Rating:  4.9 out of 5 stars   (7309 Customer Reviews)

Bias tire has a ply rating of 4 and a 590-lb maximum load at 60 psi. The 8" diameter x 3-3/4" wide steel trailer wheel features a 5 on 4-1/2 bolt pattern and a corrosion-resistant powder coat finish.


Perfect replacement for sea doo yacht club trailer


I will say i will be ordering from e-trailer whenever i need tires for my boat trailers again.The web sight is very easy to navigate and find what i was looking for.Shipping was fast (2 days) i am back on the water.


Etrailer is always my "Go To" site for all of my trailer needs. I have always gotten fast shipping and great prices! Free Shipping on orders over $99 is a real plus! 5 Star!


Purchased to replace 20 year old trailer tires. Seem to be a quality product. Would purchase again.


Tires and Wheels seem of good quality and solid. They went on without a problem and look great. Didn't have time for a road test but felt solid on a quick trip up and down the street.


I have a small boat trailer that these tires are just right for. The trailer sat out for a long time and the original wheels were going to cost to much to fix. This was the easy option. They work great.


I bought a use jet-ski trailer, after a couple of weeks the tires went flat, noticed they were weather worn. Bought these tires to replace the bad ones. Worked great, looks great. Exactly what I needed at a very reasonable price. Super fast shipping.


Very surprised with how good of a quality these tires are. They are perfect for what i wanted. Very durable feeling.


This is not the 1st. time I have purchased from etrailer. I was very pleased with each and every transaction. I will contact Lori when I am in need of "STUFF".


Shipping was quick and there was communication all the way through. Tires and wheels seem like they will work out really good.


Fast, Fast service. With your great help I got the correct lug pattern and all fit perfect. Thank you again, Doug


Great product, arrived a couple days earlier than originally quoted. Couldn't be happier


Fast delivery and exactly what I needed! Thanks etrailer


Great service and delivered as promised.



I made a mistake when I order it will not fit

I will have our customer service team reach out to you. I recommend measuring the bolt pattern on the rim to make sure the correct bolt pattern is chosen. We have a great FAQ on how effectively measure the bolt pattern.
-- Etrailer Expert Jenny N - 01/20/2022


I can't complain. Quality product and excellent seller too.


I've had these on for about a year. They were the cheapest I could find and I've had no issues with them. The trailer doesn't get used very often, the tires probably only have about 1,000 miles. One long road trip at high speeds in pretty warm weather, and the rest local trips in varying weather. No cracks, leaks, or other signs of trouble with the tires and the wheels held their torque where some tend to loosen after the initial installation.


We were traveling over 500 miles to purchase an older sailboat and were not confident that the tires already on the trailer would get us home safely. So we ordered this pair for back up. Surprisingly this is the same company I purchased a trailer from for our canoe.... right there I need to say... Awesome customer service.... we are now safely home with our “new” old boat and the new tires worked perfectly not to mention giving us peace of mind! Would highly recommend this company and any of their products.... will be purchasing new tires for the rims that came with the trailer!


Haven't used the spare I purchased yet, which is good, but the folks at etrailer offered this at the best price I could find and shipped it very quickly. They are in my favorites folder now and will probably will get the next order for more trailer goodies. I have four trailers of various kinds so there is always a need.

Thanks for asking. Still maintain that the tire deal was the best around. Will buy from you again.
Curt S - 04/22/2015


Very quick delivery, good value, good service.
tires and wheels are for a backyard/garden trailer I built from parts from another trailer that rusted and eventually fell apart. They will not see the road. The new tires and wheels will probably outlive me.
The only comment I could make is about the ad for the tires. I bought the Kenda tires and when I opened the box I saw Load Star. It might be good to include the make and model in your ad such as "Kenda - Load Star". I'm sure I'm not the only one to pick up on this.
Will buy again. I have another trailer for the road.


The tires are great. Shipping and service from etrailer was also great.


Had exactly what I needed at the best price with super fast order processing,awesome packaging and fast free shipping. Don't get any better than these folks!


Quick ship, exactly what I ordered. Great customer service!


i took advantage of the Black Friday deal for free shipping over $50.00. this was an excellent deal so i was able to buy 2 brand new tires and rims for not much more than having the 1 bad tire for my jetski trailer fixed.


I'm very pleased with my new trailer wheels and the service that provided. The wheels were easy to order, shipped promptly, and arrived inflated to the correct tire pressure. I will happily do business with in the future!

Show More Reviews

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

  • Speed and Distance Rating for the 4.80-8 Trailer Tire and Wheel part # AM30020
    The speed limit for the 4.80-8 Trailer Tire and Wheel, part # AM30020, is 65 MPH. It doesn't have a distance rating though. So as long as you stay under 65 mph you can keep driving till the tire wears out!
    view full answer...
  • What is the Difference Between High and Low Speed Rated Trailer Tires
    Most trailer tires are rated for 65 miles per hour. If there isn't a speed rating indicated on the tire, either an actual number or a letter code, then assume that it is rated for 65 miles per hour. Tire manufacturers test and rate the tires. I think Bridgestone says it best "To receive any kind of rating, a tire must demonstrate that it’s capable of sustaining a particular speed. Industry standards govern the process of reaching and maintaining a given speed during a test." We do have...
    view full answer...
  • How to Pick Out Replacement Trailer Wheel and Tire
    The first thing you will need to determine is the bolt pattern of the hubs you have on your trailer. To do this check out the help article I attached. With this information you will know what wheels can bolt up to the hubs of your trailer. From there you will want to check out the other link I attached that will take you to a page that has all of the wheel and tire combos we offer. You will want to select your bolt pattern from the filter and all of the rim/tires we offer that fit will...
    view full answer...
  • What Air Pressure Should I Run in My Trailer Tires?
    We recommend that all trailer tires be inflated to the max psi stated on the sidewall of the tire. If the tire is under inflated, the weight capacity is lowered to an unknown amount for that tire. Although running lower air pressures can improve the ride of the trailer with lighter loads, the weight rating that the tire can carry will be reduced. If a heavier load is put on the trailer without changing the air pressure to the recommended amount, the sidewall of the tire could heat up and...
    view full answer...
  • Troubleshooting Inner Trailer Tire Wear
    Excessive inner wear on both tires typically means that the trailer is being overloaded. When your trailer is overloaded for an extended amount of time the axle could be bent which means that it is not holding your load appropriately resulting in the excessive wear on the inside of your tires. Another possibility is that the axle is flipped. Generally, an axle is flipped to gain more height, however, the natural bow that is in the trailer that helps support the load will be facing the...
    view full answer...
  • What is the Speed Rating for a Kenda 4.80/4.00-8 Bias Trailer Tire
    All of the trailer tires that we carry are rated for 65 miles per hour. Since a higher speed will produce more heat, it is not advised to go more than 65 on a trailer tire. Heat buildup is the main cause of tire failure. Trailer tires are made with a thicker sidewall to handle more vertical load. The thicker sidewall generates more heat. The faster a tire is spinning, the more friction there will be and that will lead to excess heat. I have included a link to our tire FAQ article for you.
    view full answer...
  • What is the Speed Rating for a 4.8x12, 2-Ply Trailer Tire
    If you are using our tires, they are all rated for 65 miles per hour maximum, regardless of how far you are going, unless otherwise noted on the tire sidewall itself. While there is a formula for tire speed based on size and construction of the tire, it is not applied to trailer tires. Trailer tires should also be inflated to the maximum psi rating as indicated on the tire. Because trailer tires are made with a thicker sidewall to handle more vertical load, under inflating a trailer tire...
    view full answer...
  • Correct Replacement Trailer Tire Size for 1-1/2 Ton Utility Trailer That Uses 215/75R/15 Tires
    The tire size currently on your trailer, 215/75R/15, is a light truck/passenger tire and not a trailer tire. You will be better off with tires made specifically for use on a trailer and rated appropriately for the axle. Keep in mind that the load your trailer can carry will be limited to the lowest rated component in the system - either the wheels/tires, the axles or the trailer frame itself. Increasing the capacity of one component, such as the tires/wheels, does not necessarily increase...
    view full answer...
  • Can Adding Larger Tires to a Trailer Increase Its Capacity
    I am glad you asked these questions. First, to tow a trailer level you need only a ball mount with the proper rise or drop. I have included a link to our FAQ article that explains how to measure for rise/drop and a link to our ball mount main page. For the tires, going to a higher capacity tire does not increase the capacity of the trailer itself. The trailer capacity is set by the axle capacity. There should be a plate or sticker on the trailer tongue or frame somewhere that lists the...
    view full answer...
  • Trailer Tires on a 4-Horse Trailer Keep Blowing
    First we need to determine why the tires are blowing. Trailer tires are particularly susceptible to heat. This is because trailer tires are built with a thicker sidewall than passenger vehicle tires to handle more vertical load. If under inflated, the thicker sidewall will generate excessive heat and can fail. Always make sure the tires are inflated to the maximum psi as indicated on the tire. Speed can also be a factor. Most trailer tires are not rated for such high speeds. The tires...
    view full answer...
  • Can Different Tires or Hubs be Installed on a Trailer with Fixed Hub Integral Tire and Rim
    Your set up may be fine on the highway. Make sure that the bearings are well greased and check the tires for any indication of a speed rating. Also check the trailer tongue or frame for any speed limitations. You might be able to switch tires and wheels or replace the hubs but if they are what I think they are then you would not be able to replace them and you would have to instead replace the axle and then get new hubs, wheels, and tires. If the hubs can be removed then I would need...
    view full answer...
  • Larger Tire Recommendation for a Horse Trailer to Gain Ground Clearance
    It looks like you would have enough fender clearance to upgrade to a different size tire. Without knowing what size you have it would be hard for me to make a recommendation. But if you check out the link I attached to the right you will see a chart with all of the sizes we of and in the far right column the overall diameter of the tires are listed. If you go with a substantially larger tire you may also need to get a ball mount with less drop to allow your trailer to sit level. I attached...
    view full answer...
    Image 1 for
  • Availability of Tire Size Smaller than 5.70-8 for Trailer
    For a tire that is 2 inches smaller in diameter than your tire size of 5.70-8 we have the size 4.80-8 like part # AM30020 which would put your trailer 1 inch closer to the ground. I was going to recommend just a tire since this size will fit your current rim but the cost is almost equal with or without the rim so it wouldn't really make sense.
    view full answer...
  • What to Consider When Increasing Trailer Wheel Size for Added Ground Clearance
    As long as you have the fender clearance for larger tires on your trailer you could upgrade it from the 13 inch wheels it currently has with 16 inch ones. Most likely you don't have a 6 or 8 lug bolt pattern on your trailer (like what the 16 inch wheels has), so a 15 inch wheel might be a better option. You will need to know the wheel bolt pattern that you currently have first though. I attached a help article that covers how to do that. I also attached a link to a page that has all of...
    view full answer...
  • Can a Trailer with 4.80/4-8 Tires Travel at 50 to 65 MPH
    Your trailer hubs should be just fine for the speeds you listed of 50 to 65 mph. Just make sure the hubs have plenty of clean grease and you would be totally fine. If the tires seem unstable make sure they have the max PSI that the sidewall lists in them at all times. Trailer tires are designed to be run at their max PSI to ensure proper stability and wear.
    view full answer...
  • What is the Speed Rating for the 4.80-8 Trailer Tire and Wheel Combo
    The speed limit for the 4.80-8 Trailer Tire and Wheel, part # AM30020, is 65 MPH.
    view full answer...
  • What is the Overall Width of the Americana Tires and Wheel # AM30020.
    I went out to the warehouse and measured the overall width of the Kenda 4.80/4.00-8 Bias Trailer Tire with wheel, item # AM30020, and got 4-3/4 inches.
    view full answer...
  • Recommendation for the Best Trailer Wheel and Tire Size for Highway Towing
    You are correct that many deck over trailers have lower height wheels and tires. The reason for this is to reduce the height of the deck for ease of loading and unloading and to reduce the propensity for the trailer to be top heavy which can be a factor that contributes to trailer sway. Trailer tires are not rated for high speed towing. As a general rule most trailer trailer tires and wheels are rated for 65 miles per hour depending on the manufacturer. The best way to select the size...
    view full answer...
  • Should Trailer Axle be Changed from a Normal Axle to a Torsion Axle on Home Made Tear Drop Trailer
    You can go to a torsion axle and different tires and wheels if you so choose. You have to consider what you are trying to accomplish by doing so to determine if it is worth the expense or not. Normally I would say you could change to a different tire size if there is clearance to do so but Harbor Freight trailers tend to have odd bearings and if changing the hubs is required to go to a larger size tire and wheel you may not be able to without changing the axle any way. If you do change...
    view full answer...
  • Does Trailer Wheel Bolt Pattern Matter When Picking Out Replacement Tires
    Trailer tires are not wheel lug specific. As long as the size of the tire is correct for the wheel it would not matter what bolt pattern it has. I am not sure what tire size you have/need but I attached a link to a page that has all of the 12 inch trailer tires we offer. You can select from the filters on the page to show you only the size you need once that's determined or if you can get me the size that's on your sidewall I can help you pick out the best option as well.
    view full answer...
    Image 1 for
  • What Determines the Speed Rating of a Trailer
    Yes, typically the tires are what dictate the speed rating. For example, the Kenda 4.80/4.00-8 Bias Trailer Tire # AM30020 has a speed rating of 65 mph so in theory this would raise the speed rating of your trailer. I recommend checking with the trailer manufacturer to ensure that there are no other components on your trailer that would be a limiting factor when it comes to the speed rating. Attached is a link to our selection of tires for you to filter through as well as some FAQs about...
    view full answer...
  • Deciding Between Trailer Tire and Larger Passenger Tire for New Camper
    I definitely recommend going with the 13 inch radial ply tire, assuming it is a special trailer tire. I am not sure why the manufacturer would offer or consider putting vehicle/passenger tires on the trailer, but this is not something we ever recommend. Special trailer tires (which will have "ST" in front of the tire size) feature a stiffer sidewall that is designed specifically to better support the weight of a loaded camper/trailer. Even if the passenger car tire is larger the smaller...
    view full answer...
  • What is 5 on 4-1/2 inch Bolt Pattern for Trailer Wheel
    The bolt pattern of 5 on 4-1/2 inch is the dimensions of the mounting holes of most trailer 5 bolt lug patterns and is what the part # AM30020 that you referenced fits. If you have wheels that are held on with a 5 lug pattern there is a very strong probability you have the 5 on 4-1/2 inch bolt pattern. If you are not sure you can check out the help article that I attached that shows how to determine bolt pattern.
    view full answer...
  • How Much Air Pressure for Boat Trailer Tires
    You are absolutely correct. In order to utilize their full load rating, trailer tires should always remain fully inflated to the pressure rating listed on the tire's sidewall as opposed to a passenger car tire which will have an acceptable range. I've linked to our trailer tire/wheel help articles which can tell you everything you ever wanted to know about trailer tires but were afraid to ask.
    view full answer...

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