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Kenda Loadstar K371 Bias Trailer Tire - 4.80/4.00-8 - Load Range B

Kenda Loadstar K371 Bias Trailer Tire - 4.80/4.00-8 - Load Range B

Item # AM10002
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AM10002 - Bias Ply Tire 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 8" x 3-3/4" wheels; its maximum load is 590 lbs at 60 psi. Lowest Prices for the best trailer tires and wheels from Kenda. Kenda Loadstar K371 Bias Trailer Tire - 4.80/4.00-8 - Load Range B part number AM10002 can be ordered online at or call 1-800-496-5010 for expert service.
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Kenda Trailer Tires and Wheels - AM10002

  • Tire Only
  • 8 Inch
  • 4.80/4.00-8
  • Load Range B
  • Bias Ply Tire
  • Kenda

Top-quality, bias trailer tire has been rigorously tested to ensure that it exceeds Department of Transportation standards. This tire fits 8" x 3-3/4" wheels; its maximum load is 590 lbs at 60 psi.


  • Great for off-road and agricultural use
  • Exceeds DOT requirements


  • Fits: 8" x 3-3/4" rims
  • Tire size: 4.80/4.00-8
    • Section width: 4.6"
    • Outer diameter (when inflated): 16.1"
  • Capacity:
    • Load range: B
    • Ply rating: 4
    • Maximum load: 590 lbs at 60 psi
  • 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.

10002 Kenda Loadstar K371 Bias Tire - LR B

Customer Reviews

Kenda Loadstar K371 Bias Trailer Tire - 4.80/4.00-8 - Load Range B - AM10002

Average Customer Rating:  4.8 out of 5 stars   (2478 Customer Reviews)

Top-quality, bias trailer tire has been rigorously tested to ensure that it exceeds Department of Transportation standards. This tire fits 8" x 3-3/4" wheels; its maximum load is 590 lbs at 60 psi.

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

  • Can a 5.7 x 8 Trailer Tire Replace a 4.8 x 8 Tire
    As long as you have the additional clearance required by the bigger 5.70 x 8 you should have no problem installing this size tire as a replacement for your 4.8 x 8. The 5.7 x 8 will be 1 inch taller and .9 inches wider. If you measure your trailer and find that you have enough clearance for the additional height and width you should have no problems. I attached a link to all 5.70 x 8 tires we offer.
    view full answer...
  • How to Measure a Trailer Tire to Determine the Correct Replacement Tires
    Your current tire should have some type of code on it that indicates its size. The Kenda K371 Bias Trailer Tire, # AM10002, is size 4.80/4.00-8. It fits on 8 by 3-3/4 inch rims. It sounds like the 46 and 27 inch measurements you have given are the outer and inner circumferences around the tire, and not the diameter across the tire. The diameter of the Kenda tire is 16.1 inches from the bottom, center of the tire to the top center of the tire. The section width is 4.6 inches. The section...
    view full answer...
  • What Is Maximum Highway Speed For Kenda K371 Bias Trailer Tire
    The maximum speed rating for trailer tires is 65 MPH. The B rating is the load rating for the tire, which is 590 pounds at 65 PSI. You always want to have the tires of your trailer inflated to the maximum PSI rating at all times. If they are not inflated to maximum PSI, the thick sidewalls can heat up and wear faster than normal. I have linked an FAQ on trailer tires that you may find as a good reference.
    view full answer...
  • Things to Consider When Changing to a Different Tire Size on a Trailer
    When considering a different size tire for a trailer there are a couple different things to think about. The first thing to consider is clearance. With a smaller tire you might end up with more clearance in the wheel well, but you might end up with the trailer being too low to the ground. You could potentially drag the rear of the trailer while driving through a valley or going up a hill. Another thing to consider is how the height of the tires will affect the sway of the trailer. A taller...
    view full answer...
  • Will a 5.30 x 12 Trailer Tire Fit the Same Rim as a 4.80 x 12 Trailer Tire
    Yes, a 5.30 x 12 tire will fit the same rim as a 4.80 x 12 tire. Both tire sizes fit on a 4 inch wide rim. There are a couple of things to consider when changing tire sizes. First, the larger 5.30 will be approximately 1.4 inches taller than the 4.80 so you will need to make sure that you have enough clearance above the tire. The 5.30 is also wider by 1/2 an inch so you will need to make sure there is clearance behind the tire as well for the new size. Also, the capacity of the larger...
    view full answer...
  • What Does the 4.00 Mean on the Kenda K371 Bias Trailer Tire 4.80/4.00-8
    On the Kenda K371 Bias Trailer Tire, # AM10002, the 4.00 that you see is there so that people who have the older 4.00x8 tires, which are no longer available, will know that this size is compatible with their trailer. So if you are replacing 4.80 x 8 or 4.00 x 8, it will fit.
    view full answer...
  • Is a 4-Lug, 4.80-8 inch Tire and Wheel Adequate for Trailering a 400 lb Ariens Garden Tractor
    It really just depends on the weight capacities of your rim and tire. The tires we sell that are the same size as yours have capacities of 590 lbs and 760 lbs depending on the load range of the tire. One of these tires would be adequate for your setup. You will need to check the weight capacity of your tires and wheels to determine if your setup is adequate. The weight capacity of the tire should be stamped on the sidewall along with the maximum psi recommendation for the tire. You always...
    view full answer...
  • Replacement 4.80/4.00-8 Tire for Log Splitter
    We can help you pick out a tire but we do not have any wheels like that. For your tire size of 4.80/4.00-8 we have the part # AM10002 which would fit and work well. This is a Kenda brand tire just like what you have.
    view full answer...
  • Can Kenda K371 Bias Trailer Tires be Used with a Tube
    The Kenda K371 Bias Trailer Tire # AM10002 does not require a tube. It's also not recommended to use a tube in a tube-less tire. Due to how tube-less tires are constructed it will cause additional heat buildup which is the number one reason tires fail.
    view full answer...
  • Can Taller Trailer Tires be Used to Raise the Height of a Trailer
    You could go to a larger tire size on the trailer as long as there is enough room all around the existing tires for the larger size. Going from a 4.80-8 to a 5.30-12 is a pretty big jump. The 5.30-12 is about 5.8 inches taller and about 0.5 inches wider. The width is probably not an issue but if the trailer has fenders or anything else above them then the larger size would likely not fit. You will also need to use different wheels. I have included a link to the tire and wheel combos in...
    view full answer...
  • Difference Between Tire Sizes 4:80/4.00-8 and 4:80-8
    The tire size 4.80/4.00-8 actually covers two sizes, 4.80 and 4.00-8. So to answer your question; there is not difference at all. The part # AM10002 would work well for you.
    view full answer...
  • Can 4.80/4.00-8 Trailer Tires be Replaced with 5.70-8 Trailer Tires
    Trailer tire sizes 4.80/4.00-8 and 5.70-8 both fit on the same size wheels so you could use either size provided that there is room enough to use the larger 5.70-8. It will be 2 inches taller and 1.2 inches wider than the 4.80/4.00-8. I have included links to the tires we carry in these 2 sizes. Both sizes are larger than 15-1/2 inches diameter (16.1 and 18.1 inches respectively). Generally vehicle wheels/tires should not be used on a trailer and trailer wheels/tires should not be used...
    view full answer...
  • Should Inner Tube Be Used with Kenda K371 Bias Trailer Tire # AM10002
    I want to start by thanking you again for your purchase. We truly appreciate your business. The Kenda K371 Bias Trailer Tire, # AM10002, that you purchased do not require a tube. This tire is specifically designed for use without a tube and using one would cause too much heat build-up and result in premature failure of the tire. Since our trailer tires are not designed to use the inner tube, we do not carry them.
    view full answer...
  • Tire Pressure For 4.80/4.00-8 Load Range B
    First, try checking the tire's side wall, the recommended psi should be listed. For our trailer tires with a 4.80/4.00-8 size, a 3-3/4 inch rim, load range B, the maximum load is 590 pounds at 60psi. Each tire manufacturer could have different recommended psi for their tires, so it is important to find information for your tire's manufacturer. It is important to remember to inflate your tires when they are cold, and to inflate them to their max psi.
    view full answer...
  • Does Changing the Air Pressure Change the Weight Capacity of a Trailer Tire
    The short answer is 60 psi. If you put less air in tire # AM10002 the capacity does start to go down. But to avoid any potential problems you should just keep trailer tires inflated to the maximum psi indicated on the tire. 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 generates excessive heat and can lead to failure.
    view full answer...
  • Diameter/Height of 4.80/4.00-8 and 5.70-8 Tires
    Actually the overall diameter/height of those tires are different by a few inches. The overall diameter of a 4.80/4.00-8 tire is 16.1 inches. The overall diameter of the 5.70-8 tire is 18.1 inches. The outer diameter of the # AM10002 tire you were looking at will be 16.1 when properly inflated. I have linked you to some Help Articles on determining tire size for your convenience.
    view full answer...
  • Is it Recommended to Go to a Smaller Wheel and Tire Size on a Trailer
    The problem with going from a larger wheel size down to a smaller one is primarily that you lose a lot of weigh capacity when you do this and also the tire sizes for each wheel size don't both give you the same overall tire diameter. The 13 inch tires are much smaller than the 15 inch wheel tire sizes. I would recommend you stick with the size you have. I attached a chart that has all of the tire sizes we carry. You can see the overall diameters in the right column and the capacities...
    view full answer...
  • Will a 4.80-8 Trailer Tire Fit in Place of a 4.00-8 Tire
    Yes, a 4.80-8 tire will fit in place of a 4.00-8 tire. That is why a lot of times you will see both sizes in the product's title or description and even on the actual tire, such as # AM10002. This is a load range B tire rated for 590 pounds at 60 psi. I have linked a video review of this tire for you.
    view full answer...
  • Does the K371 4.80-8 Bias Trailer Tire # AM10002 Use a Tube
    Kenda K371 Bias Trailer Tire # AM10002 is a tubeless tire. No tubes required or recommended for this tire. Actually tube tires are becoming less common. Some people will still use a tube even if the tire is not a tube tire in agricultural applications for additional strength. But this can lead to the tire overheating quickly if towed on pavement at speed.
    view full answer...
  • What are the Dimensions of a 5.70 x 8 Tire
    The overall diameter of a 5.70 x 8 tire and wheel is 18.1 inches. The overall diameter of the tire that you referenced # AM1002 is 16.1 inches. I have included a link to the 5.70 x 8 inch tires that we currently have available. Of these the section width of these tires is 5.8 and 5.9 inches, and the overall diameter is. I have included links to a couple of informational articles about trailer tire and sizing for your reference.
    view full answer...
  • Does Kenda K371 Load Range B Bias Trailer Tire # AM10002 Require an Inner Tube When Mounted
    The Kenda K371 Load Range B Bias Trailer Tire # AM10002 that you referenced does not require an inner tube. It is not recommended to use a tube with a bias-ply trailer tire due to the resulting heat build-up that could cause tire damage. This Kenda trailer tire exceeds DOT specifications, has a maximum load rating of 590-lbs at 60 psi inflation and fits rims that measure 8 x 3-3/4-inches. When fully inflated this tire will have an overall diameter of just over 16-inches. This and all trailer...
    view full answer...
  • How to Choose the Correct Hub and Wheel for a Trailer with a 4.80-8 Tire
    To make sure we choose the correct wheel and hub for your trailer, we are going to need a little more information about the spindle on your trailer. I assume the 1.250 shaft that you mention is the spindle on your trailer. Most trailer spindles are tapered and the spindle does not usually have the same diameter the entire length of the spindle. To make sure we choose the correct hub for you, we will need a few measurements from your spindle. We will need the diameters for the inner and...
    view full answer...
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  • How to Determine Bolt Pattern for a Trailer Wheel Replacement
    It sounds like the new 12 inch wheel and tire combo you have is designed to fit a different bolt pattern hub than what your trailer currently has. The bolt pattern of a wheel tells us the number of lugs (or bolt holes) and the diameter of the circle the lugs sit on. For example, a 5 on 4-1/2" bolt pattern lets us know we need a wheel with 5 lugs that are spaced out evenly on a circle that has a 4-1/2" diameter. Most likely your trailer either has a 4 on 4 inch bolt pattern or it has a...
    view full answer...
  • Can I Replace a 4.80-8 Trailer Tire with a 4.80-12 or 5.30-12 Trailer Tire
    You can replace a 4.80-8 trailer tire with a 4.80-12 or a 5.30-12 trailer tire, but there are a few things to consider before making the change. First, 4.80-12 and 5.30-12 tires are going to have a larger overall diameter than a 4.80-8 tire, by about 4 inches, so you will want to make sure your trailer has enough room in the fender well to accept the larger tire and wheel. Also, a 5.30-12 tire will be about 1 inch wider. The width will not make as big of a difference as the diameter,...
    view full answer...

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