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Kenda 4.80-12 Bias Trailer Tire with 12" White Wheel - 4 on 4 - Load Range B

Kenda 4.80-12 Bias Trailer Tire with 12" White Wheel - 4 on 4 - Load Range B

Item # AM30540
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Kenda Bias Ply Tire Trailer Tires and Wheels - AM30540
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Bias tire has a ply rating of 4 and a 785-lb maximum load at 60 psi. The 12" diameter x 4" wide steel trailer wheel features a 4 on 4 bolt pattern and a corrosion-resistant powder coat finish. Lowest Prices for the best trailer tires and wheels from Kenda. Kenda 4.80-12 Bias Trailer Tire with 12" White Wheel - 4 on 4 - Load Range B part number AM30540 can be ordered online at or call 1-800-496-5010 for expert service.
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Kenda Trailer Tires and Wheels - AM30540

  • Tire with Wheel
  • 12 Inch
  • 4 on 4 Inch
  • 4.80-12
  • Load Range B
  • Steel Wheels - Powder Coat
  • Bias Ply Tire
  • K - 65 mph
  • Kenda

Bias tire has a ply rating of 4 and a 785-lb maximum load at 60 psi. The 12" diameter x 4" wide steel trailer wheel features a 4 on 4 bolt pattern and a corrosion-resistant powder coat finish.


  • Trailer tire by Kenda is designed for excellent handling at high speeds
  • Steel wheel has 8-spoke design by Dexstar
    • Resists rust with e-coat and white powder coat finishes
  • Tire-and-wheel assembly meets Department of Transportation specifications


  • Rim dimensions: 12" diameter x 4" wide
  • Bolt pattern: 4 on 4"
  • Wheel capacity: 1,250 lbs
  • Wheel bolt size: 1/2"-20
  • Pilot diameter: 2.84"
  • Offset: 0
  • Tire size: 4.80-12
    • Section width: 4.8"
    • Outer diameter (when inflated): 20.5"
  • Tire capacity:
    • Load range: B
    • Ply rating: 4
    • Maximum load: 785 lbs at 60 psi
  • Max speed: 65 mph
  • 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

30540 Dexstar 8-Spoke 12" White Wheel and Kenda K353 Bias Tire - LR B

Replaces Americana 30540DX

Customer Reviews

Kenda 4.80-12 Bias Trailer Tire with 12" White Wheel - 4 on 4 - Load Range B - AM30540

Average Customer Rating:  4.9 out of 5 stars   (7346 Customer Reviews)

Bias tire has a ply rating of 4 and a 785-lb maximum load at 60 psi. The 12" diameter x 4" wide steel trailer wheel features a 4 on 4 bolt pattern and a corrosion-resistant powder coat finish.


Recently got me a used Jon Boat trailer and noticed the 8 inch tires were dry rotted. While looking for shackle bushings found these bigger 12 inch for cheaper than local prices. My friend said going to a bigger tire puts less stress on the bearings so I got me a couple. Fit was perfect and it actually set the trailer and boat higher so I can see it in the rearview mirror better. Havent had them on the road yet but expect they should be ok.

So Ive had these about a year and a half now and havent had any issues with them at all. Wear is great. I check the pressures and have yet to have to add any air. The reservoir I fish is about a hour each way and mostly interstate. I have been about 6 times this season as well as to my local river about 30 minutes numerous times. I have been very happy with these and highly recommend them.
melvin s - 11/06/2020


My 10 year old utility trailer got its first flat last week. While changing the tire, I saw the tread was down a bit and the sidewall was starting to crack, so I thought it might be a good time to replace both tires. had these at a good price with free delivery. I ordered them Friday night, they shipped Sunday, and I received them on Wednesday. I couldn't be happier. I will continue to do business with


Ordered 2 of these wheel/tire combos and they were at my door in 2 days. Installed first one on trailer and spun wheel/tire combo and found the wheel/tire was wobbling badly side to side. Took that wheel off and installed 2nd wheel combo on same hub and the wheel ran very true. Called etrailer and told them about it and after 3 emails and a few phone calls later they shipped another wheel that ran very true and looked good. When I got the replacement wheel I had to drop the bad wheel off at a ups store. I guess they welded the wheel wrong at the factory.


Wheels came quickly, tires mounted and ready to go. They installed on my 4'x8' folding trailer without a hiccup. The wheels and tires worked as expected with no issues on their maiden 600 mile round trip.


Great looking wheels for my kayak trailer. The trailer is only about 350# gross weight with two kayaks on board. These taller tires and wheels ride over bumps better than the 8" tires and wheels they are replacing, providing a much smoother ride. The added ground clearance is a plus as well, espcially when two=tracking back to remote launch sites. I have no doubt these will perform as well as the others I have purchased at etrailer in the past.


The tire and wheel assemblies are good. ETrailer once again, has proven to be
a great place to order from. Just great!


I am very pleased with your excellent, fast service. All 3 trailer tires came in great shape. However, I think the shipping department should have stacked the tires on top of one another instead of end to end. The box was so long it was unmanageable, and it is a wonder that the box was not broken because two tires had slid side by side int box and it was bulging badly. It was clearly the wrong shaped box to ship the tires in.


Perfect wheel and tire for a spare on my trailer.


The service was great and the tire and rim were in good condition when I received them. Good job


Arrived quickly in excellent condition


I ordered a variety of products from to help build a custom rooftop tent trailer for a 8 week road trip. These included 2 different jacks to stabilize the trailer, wheel blocks, coupler and hitch locks, and a receiver/hitch for installation on my 2008 Honda Fit Sport. While researching and building my trailer, I was very pleased with the variety of products available on It quickly became my go-to, one-stop site for all my trailer related parts. After 8 weeks on the road, all the components are still going strong and I am looking forward to many more years of adventures with my trailer! The specialty coupler and hitch locks were great for peace of mind on such a long trip, especially for the numerous occasions where my trailer sat unattended for a long duration while my girlfriend and I were out hiking, climbing, or backpacking


Top notch. I build trailers occasionally, and etrailer is where I buy the tires and wheels. I know what I'm getting before they get here, and I've never been disappointed.

One year in, and my wheelstires still look and perform as new. No regrets whatsoever.
alecatt - 10/10/2018


These wheels, that I ordered, were quickly delivered. The quality of the product is excellent! They look just like the photograph. When I got them they were clean and aired up! I was absolutely satisfied with the purchase.


I'm really happy with the service offered by etrailer. Communication was excellent and the delivery was as promised.


These tires arrived two days after I ordered them. I checked the air pressure and it was right where it was supposed to be. These tires were ready to be put on the trailer. I took a 700 mile trip the next day all went great. great tires and great service.

The tires have been fine. Happy with my purchase.
Art G - 05/13/2014


Great and knowledgeable customer service with competitive prices and quick delivery


Bought this wheel and tire combo to replace one on my Jetski trailer and it works great and still holds air, thanks Etrailer.


Not only was the product delivered promptly, but the price (even with shipping) was far better than I could get locally. I needed a spare tire and wheel for my trailer and got exactly what I had hoped for. I also found your website to be by far the most user friendly of the ones I visited for this. Thank you!


trailer tires are great!!!i really like the tires.I went all over town looking for the 8 inch replacement tires,and was told that i wouldn't be able to get any in town.the;y said no one uses or sells that size anymore. I would need to buy a new axel.i was thrilled to find that you had what i needed but larger tires as well. i really like the new larger tires,they raise the trailer up off the road a little more which is better for me. thank you for the rapid delivery.when i need new tires i will come to you first. joe


The tire arrived as promised, on time. Everything was in order. It has been on my trailer for one year and is performing as expected.


Super fast shipping and just what I ordered! These rims
look great on the trailer!


One tire was not mounted on the back side, about a half inch from the rim. This is obvious to a casual glance and should have not been shipped. Extremely poor product quality control! My attempt to make the tire mounted and round was unsuccessful due to the paint on the inside of the rim. The paint was too sticky to get the tire to pop out.





These fit and work great! Wanted to replace the olds before they got too bad. For the value, buying all new wheels was clearly the simplest solution. Thanks etrailer for shipping them promptly, as promised! [Thumbs up]


Have used them for a year now. Right after we bought them we put them on a trailer for my small catamaran (1000lbs, boat and trailer) and took it to Florida from Ohio. Made the trip back and forth and several trips to Michigan throughout the summer without a problem!

Show More Reviews

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

  • Does Size Of Pilot Hole Matter When Mounting The Tire
    Since the tire/wheel is not being held onto the trailer by the hub you should have no problem with the Kenda tire/ wheel combo, part # AM30540. This is held in place with the 4 lugs and not the pilot hole. I have attached a product review video for this tire/wheel you can check out.
    view full answer...
  • Needing Two 4.80-12 Trailer Tires & Rims Combos
    The Kenda 4.80-12 Bias Trailer Tire with 12 Inch White Rim, # AM30540, is sold as 1 tire and 1 rim. This tire and rim combo has a 4 on 4 inch bolt pattern and can handle a maximum load of 785 lbs at 60psi. The tire is rated a max speed of 65 mph.
    view full answer...
  • Can Trailer Tire Types By Mixed
    It is not a good idea to mix types of trailer tires. Radial trailer tires usually run cooler than bias ply types. It is one thing to use a different tire type for the spare, where if it is used it will be only for a short distance/time. But for ongoing use we recommend staying with one tire type/size/load rating to ensure no one tire has more heat/weight stress than another. The two linked articles on special trailer tires may be of interest. I also linked our main page for trailer tires...
    view full answer...
  • Backspacing of Trailer Wheel and Tire Combo part # AM30540
    The backspacing of the wheel that comes with the wheel and tire combo part # AM30540 that you referenced is 2-1/4 inches. This is calculated by taking the width of the wheel (4 inches) adding an additional inch for the lip on the wheel and then dividing by two. It's that easy to calculate because all trailer wheels like this one have an offset of zero.
    view full answer...
  • Recommended 4.80-12 Tires for a Fiber Stream Camper Trailer
    The Kenda 4.80-12 Bias Trailer Tire with 12" White Wheel part # AM30540 is my recommendation for a Fiber Stream Camper Trailer. This is a pre-mounted combo that comes ready to mount on the trailer. It comes with a bias ply tire which will be fine for this trailer and the only option for this size pre-mounted. It will also have plenty of capacity for the weight without going over and causing a rough ride. They are both (tire/wheel) backed by warranties as well.
    view full answer...
  • When Should I Replace My Trailer Tires?
    In general, we here at etrailer recommend changing trailer tires every 5-6 years. This includes tires like your Kenda 4.80-12 Bias Trailer Tire with 12" White Wheel - 4 on 4 - Load Range B # AM30540. This time period starts when the tires are actually used on your trailer between and if the tires were stored in a covered and controlled environment. However, if the tires are stored outdoors or in extreme weather conditions, this can deplete the lifespan of the tires faster. If there are...
    view full answer...
  • What Load Rating 4.80-12 Trailer Tire is Needed for a 1,200 lb Trailer Axle
    If your trailer axle is rated for 1,200 lbs gross weight then a load range B tire is going to be the best choice. We have two white spoke wheel options with a load range B tire. If you have a 5 on 4-1/2 inch bolt pattern hub you will need the Kenda 4.80-12 Bias Trailer Tire and Wheel, # AM30580. If you have a 4 on 4 inch bolt pattern hub, you will need the Kenda 4.80-12 Bias Trailer Tire and Wheel, # AM30540. Two of these wheel and tire combinations are rated for up to 1570 lbs at 60...
    view full answer...
  • Replacement Trailer Tire and Wheel Recommendation for a 4x8 Harbor Freight Trailer
    As long as the bolt pattern on your trailer is 4 on 4 inch and the tire size on your trailer tire is 4.80-12 the Kenda 4.80-12 Tire with Wheel part # AM30540 would work well on your trailer. If you are unsure what your bolt pattern is check out the FAQ article I attached that details how to determine this. If your tire has a 5.30-12 tire size instead you would want the part # AM30780.
    view full answer...
  • Do Kenda Tire and Wheel Combinations # AM30620 and # AM30540 Have Tubes in Them
    None of our trailer tires, including parts # AM30620 and # AM30540 come with tubes in them. They are tubeless tires and the inside of the tires has a coating that acts as a tube so one will not need to be purchased separately.
    view full answer...
  • Can 12 Inch Trailer Tires and Wheels be Used in Place of 8 Inch Tires and Wheels
    A 12 inch tire and wheel is going to be over 4-1/2 inches taller than a 4.80-8 tire, half of which is applied to the top of the tire so you will need more than 2.3 inches between the tops of the existing tires and the fenders plus the distance needed for the suspension to travel so estimate 3-1/2 to 4 inches at most. If you have that much space above the existing tires then you could go to a 4.80-12 such as # AM30540.
    view full answer...
  • Highest Capacity 4.80-12 Kenda Trailer Tire on Wheel with 4 on 4 Bolt Pattern
    We sure do. The tire and wheel combo you looked at is part # AM30540 which is a Load Range B and has a capacity of 785 pounds. For the same size tire on the same wheel but a Load Range C with 990 pounds of capacity instead look at part # AM30620.
    view full answer...
  • Recommended Replacement Tires for Lowes Trailer with 4.80-12 Tires
    The Kenda K353 Bias Trailer Tire part # AM10060 will be a great replacement tire option for your trailer, both in-use and spare. It's a bias ply which is what you have now and offers a load range b rating with five year warranty. To save funds with mounting and dismounting, I recommend the Kenda 4.80-12 Bias Trailer Tire with 12" White Wheel part # AM30540 which is a complete assembly ready to go. Please note, 4.80-12 indicates you have a 12" wheel, not 14" as the last number on the tire...
    view full answer...
  • Replacement Center Cap for Kenda Trailer Wheel and Tire # AM30540
    Since the trailer wheel part # AM30540 has a pilot diameter of 2.84 inches the correct center cap is the part # AM90113 which is a chrome plated steel.
    view full answer...
  • How Much Narrower is Tire Size 4.80-12 Than 185/80-13
    The tire size of 4.80-12 like what comes on the part # AM30630 is right at 3 inches narrower overall than the tire size of 185/80-13 so you would gain over an inch of inner sidewall room like you are needing.
    view full answer...
  • Can 8 Inch Trailer Tires be Replaced with 12 Inch Trailer Tires
    Hey, thanks. You're not so bad yourself! Going to a larger tire size is possible but there are a few things to think about. Chief among these things is clearance. When going from an 8 inch tire to a 12 inch tire the diameter will increase by 4.4 inches. This means that if there is anything above the tire such as a fender the larger tire may not fit. Even if you have the clearance now you also have to account for the travel of the suspension. The width between the two sizes is not a concern...
    view full answer...
  • If Trailer Wheel Attaches with Wheel Bolts Does the Pilot Diameter of Wheel Matter for Replacement
    Since you have wheel bolts instead of lug nuts to secure the wheels of your trailer you will need to find a wheel with the exact same size pilot hole since your wheels are hub-centric, meaning they center on hub with the pilot hole. Of the 12 inch rims we offer, none of them match your pilot diameter. They all have 3.19 inch pilot diameters. The biggest size rim we have with a matching pilot diameter would be a 10 inch rim. The only size we have would be the 205/65-10 like part # AM3H390...
    view full answer...
  • Recommended Tire/Wheel Combos For Small Tandem Trailer
    In order to find a tire to replace the size you currently have, you may want to consider a tire/wheel combo replacement. The tires you have on your trailer measure about 20.4 inches tall so to make sure your replacements fit with your fenders you want to stay as close to that as possible. The tires we offer that are closest to the size you have are the 4.80-12 tires. We offer the tires separately and we also have tire/wheel combos that may work for you. We will need to know the bolt...
    view full answer...
  • Spare 4-Bolt Wheel with 4.80-12 Size Special Trailer Tire for Higher-Speed Highway Travel
    You can see all of our trailer wheel/tire products in your 4.80-12 tire size and 4-bolt wheel pattern on the page that I linked for you. In order to get the highway speed rating of 81 mph in this size you would have to purchase the tire and wheel separately and then have them mounted at a local shop. You can do this with the Taskmaster 4.80-12 Bias Trailer Tire - Load Range C Item # TTWSF48012C. This tire has the desired speed rating of M- which is 81 mph. Then you could have it mounted...
    view full answer...
  • Replacement 12 Inch Wheel and Tire for a Harbor Freight/HaulMaster Trailer
    When measuring for bolt pattern on an even bolt pattern you would measure from the center of one hole to the center of the hole diagonally across from it. In your picture you started measuring at the 1 inch mark. So if the adjacent measurement is 2-13/16 or 2-7/8 inches on center as it looks in your picture then the diagonal is 4 inches. For a replacement tire and wheel for your trailer you can use # AM30540. I also recommend a spare tire carrier such as # CE27310G.
    view full answer...
    Image 1 for
  • Speed Ratings of 4.80-12 Bias Trailer Tires
    To get a speed rating of 81 mph, you can purchase the tire and wheels separately and have them mounted at a local shop. You would use the wheel, part # AM20122 and the tire part # TTWSF48012C. I attached videos of both of these products. If you can settle for speed of 65 mph, you could choose a pre-mounted pair from the attached list.
    view full answer...
  • Recommended Axle-Less Suspension To Replace Standard Axle On Small Trailer W/ 1200lb GVWR
    Absolutely! I recommend the Timbren Axle-Less Trailer Suspension System with Hubs - 4 on 4 - Regular Tires - 1,200 lbs # A12RS440 which has a 1200lb combined weight rating to match the 1200lb GVWR of your trailer. The built in AEON progressive-rate main springs will provide a smooth ride no matter the size of the load and is a great option to replace your current axle with leaf springs. If your current wheels have the 4 on 4 bolt pattern you could reuse them, or you could replace the...
    view full answer...
  • Availability of 4.80-12 Trailer Tire on 4 Lug 4 Inch Bolt Circle Wheel
    We offer several different wheel/tire combos that feature a 4.80-12 tire on a 12 inch rim with a 4 lug 4 inch bolt circle. We have a 4.80-12 load range C with a 990 lb capacity available on a white steel wheel, part # AM30620, a galvanized wheel, part # AM30630 or an aluminum wheel, part # AM30677. A load range B tire with a 785 lb capacity is available on a white steel wheel, part # AM30540 or a galvanized wheel as part # AM30550. I have also linked you to our trailer tire FAQ article...
    view full answer...
  • Size 4.80-12 Tire/Rim Recommendations for Pop-Up Camper
    The main issue people run into when switching to larger tires is that there isn't enough clearance, but if you have been using the larger tires for years without a problem, then it sounds like the size isn't an issue for your trailer. The next factor you'll want to consider when buying new tires is the bolt pattern of your wheel. Our 4.80-12 tires come in a 4 on 4” bolt pattern (4 lugs) and a 5 on 4-1/2” bolt pattern (5 lugs). I've attached an article on how to determine your bolt pattern....
    view full answer...
  • Spare Tire Carrier Recommendation for the Kenda 4.80-12 Tire with White Wheel # AM30540
    The Kenda 4.80-12 Bias Trailer Tire with 12" White Wheel # AM30540 does not come with a u-bolt to attach it to your trailer. For that you would want a CE Smith Spare Tire Carrier # CE22007Z-11050-2.
    view full answer...

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