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Kenda 4.80/4.00-8 Bias Trailer Tire with 8" Galvanized Wheel - 4 on 4 - Load Range C

Kenda 4.80/4.00-8 Bias Trailer Tire with 8" Galvanized Wheel - 4 on 4 - Load Range C

Item # AM30050
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Our Price: $52.64
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Kenda 4.80/4.00-8 Bias Trailer Tire with 8" Galvanized Wheel - 4 on 4 - Load Range C 4 on 4 Inch AM30050
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Bias tire has a ply rating of 6 and a 745-lb maximum load at 90 psi. The 8" diameter x 3-3/4" 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. Kenda 4.80/4.00-8 Bias Trailer Tire with 8" Galvanized Wheel - 4 on 4 - Load Range C part number AM30050 can be ordered online at or call 1-800-496-5010 for expert service.
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Kenda Trailer Tires and Wheels - AM30050

  • Tire with Wheel
  • 8 Inch
  • 4 on 4 Inch
  • 4.80/4.00-8
  • Load Range C
  • Steel Wheels - Galvanized
  • Boat Trailer Wheels
  • Bias Ply Tire
  • Kenda

Bias tire has a ply rating of 6 and a 745-lb maximum load at 90 psi. The 8" diameter x 3-3/4" wide steel trailer wheel features a 4 on 4 bolt pattern and a corrosion-resistant galvanized finish.


  • Trailer tire by Kenda is designed for excellent handling at high speeds
  • Steel wheel is galvanized for superior corrosion resistance
  • Tire-and-wheel assembly meets Department of Transportation specifications


  • Rim dimensions: 8" diameter x 3-3/4" wide
  • Bolt pattern: 4 on 4"
  • Wheel capacity: 910 lbs
  • Wheel bolt size: 1/2"-20
  • Pilot diameter: 2.5"
  • Offset: 0
  • Tire size: 4.80/4.00-8
    • Section width: 4.7"
    • Outer diameter (when inflated): 16.1"
  • Tire capacity:
    • Load range: C
    • Ply rating: 6
    • Maximum load: 745 lbs at 90 psi
  • 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"

30050 Solid 8" Galvanized Wheel and Kenda K371 Bias Tire - LR C

Customer Reviews

Kenda 4.80/4.00-8 Bias Trailer Tire with 8" Galvanized Wheel - 4 on 4 - Load Range C - AM30050

Average Customer Rating:  4.9 out of 5 stars   (4517 Customer Reviews)

Bias tire has a ply rating of 6 and a 745-lb maximum load at 90 psi. The 8" diameter x 3-3/4" wide steel trailer wheel features a 4 on 4 bolt pattern and a corrosion-resistant galvanized finish.


Great tires and galvanized rims,got tired of painting rusty rims and hub size is exact fit. Shipping was fast. I purchased a total of 3 one for my spare. I purchased front hitches rear hitches and many other items in the past.always extremely satisfied. Thanks salesperson George for the care and speedy delivery.


Excellent trailer tires and wheels that perform flawlessly and last several years for many trips to the reservoir. Price was reasonable and shipping was Blazing fast!
Thank you!!


A year later these tires and wheels are still holding up great. I have them on a small boat trailer and they handle the freeway and windy bumpy back-roads equally well. Would buy again.


My order was delivered promptly and I am happy with the tire and rim plus the mounting for the trailer.


Really pleased with tires and wheels. In the middle of moving to our retirement home... One little trailer full at a time. It's about a 700 mile round trip, and I have well over 5,000 miles on the tires. My trips have me traveling on everything from interstate highways to gravel roads; I've had no problems on any of them. In general, has been my go-to place to get parts for my trailers.


Another perfect transaction with etrailer. Looked at etrailer site and supporting information, ordered trailer tires and wheels, they arrived, and we put them on with ease. Everything was easy and correct.

They have been trouble free. Excellent.
Sandra K - 11/16/2021


Great product, and very easy purchase. Finally replaced my tire trailers with these tires and rim


I bought these tires a year ago and they have been working out great. Of course they are the small variety tire but my trailer is small. I have carried some pretty significant loads of about 750 lbs. with no issues at all.


Very happy with etrailer. Pricing was great and free shipping! My wheels/tires arrived very well packed and in good condition. Product met all expectations for what I needed on my small boat trailer. I actually was able to purchase a better quality tire for less money than the big online site where I usually do most of my online shopping. I will purchase from this site again.


Met all needs as advertised.
Could not
have been any better.
I will use the again.


Great service!


Speedy service, quality product, delivered very fast.


Excellent tire and wheel for a reasonable price!
etrailer always provides excellent customer service and fast shipping!!


I retired then current tires and replaced with these having more plys. Tires capped off trailer renovation.

Great! Easy peasy way to make trailer new.
MICHAEL R - 08/14/2021


Great product and delivery was fast. Great buying experience


Just as described, exactly what I expec ted.


Ordered two trailer tires with galvanized rims. Site information was spot-on and very helpful prior to purchase. Tires arrived on-time and in great shape. I have purchased from etrailer before, great company service!!!


I got a FREE boat, motor and trailer from my son-in-law. After cleaning years of grime and junk off of them, the boat and motor were in good shape but the trailer needed lots of work. I scraped it and painted it but the wheels and tires were too rusty and weather checked to be safe. I ordered three galvanized wheels with Kenda 4.80/4.00-8 tires mounted on them from They look great and really dress up the whole rig. Shipping was lightning fast and the price was great! I will be ordering from them again in the future!

Still looking and working perfectly!
Mike H - 07/17/2016


1 year later review.

After a year's
travel on my racing sailboat trailer, the Kenda 4.80/4.00-8 tires and rims are performing to expectations.
I live on the Texas Gulf coast, so I need galvanized rims. These are performing well. No rusting thru, no corrosion, no flaking.
The tires are also performing very well. I frequently travel to racing venues well over 1000 miles away - Iowa, Kansas, N. Dakota, Oklahoma, Florida, Mississippi, Louissiana, and all over Texas. The tires show very little wear, ride smooth, and track well.
FYI, I make a habit of taking every trailer tire - even these tiny 4.80/4.00-8 size - to be balanced at a tire shop before they ever touch the road. My local guy only charges $5 a tire, and to me, it is money well spent.


The tires are real nice but the best part is the lightning fast shipping. I use etrailer for many other things as well. Greate xecution and follow up!!!


Order delivered quickly to the door step, and all items received with no flaws. Excellent service.


Be informed, the pilot hole is not 2.5" as described in both the written description and the video. It is more like 2 13/16". Even though I have bolts and not lug nuts the wheel worked out for me (I did not return it). I informed customer service and they confirmed the measurement but, as of the time I wrote this review the description has not been changed. Otherwise, it is a great product for the price. Overall service, delivery time, and assistance with the pilot hole issue was great. I only rated 4 stars instead of 5 because the description was wrong.


Purchased in January, with Covid-19, etc. didn't mount them on my boat trailer until April and in July took my first long trip. Trailer performed perfectly with the new tires/rims. Rims are of high quality galvanized steel. Lking forward to great service and long life.


Needed trailer tires for small boat trailer. etrailer has a easy to use web site. Ordered tires with galvanized wheels because the price was right and all so a spare tire carrier. I Wasn't in any hurry but their shipping was Extremely fast. Had them in 4 days. Thumbs UP!


good solid trailer jack. easy to assemble and bolt to trailer. Also purchased 2 Kenda tires and 8" galvanized wheels #AM30050. They arrived mounted on rim and fully inflated!!

Show More Reviews

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

  • What is the Speed Rating of the Kenda 4.80/4.0-8 Tire with Galvanized Wheel?
    The Kenda 4.80/4.00-8 Bias Trailer Tire with 8" Galvanized Wheel # AM30050 is rated for speeds up to 65 mph and loads up to 745 lbs per wheel at the 90 psi max. You will always want to inflate these tires to 90 psi prior to your trip to ensure they operate correctly. You can safely travel 55mph with these tire combinations and even safely to speeds up to 65 mph. When a speed rating is not listed on a tire, the default rating is 65 mph. I've linked an article that helps with the speed...
    view full answer...
  • What is the Backspacing of the Kenda 4.80/4.00-8 Bias Trailer Tire with 8" Galvanized Wheel AM30050
    The backspacing of the Kenda 4.80/4.00-8 Bias Trailer Tire with 8" Galvanized Wheel part # AM30050 is about 2.125". The wheel has a zero offset so if you take the width of the wheel and divide in half, you'll get the backspacing once you add the width of the lip.
    view full answer...
  • Wheel Capacity of Kenda 4.80/4.00-8 Bias Trailer Tire with 8" Galvanized Wheel
    The # AM30050 Kenda 4.80/4.00-8 Bias Trailer Tire with 8" Galvanized Wheel has a wheel capacity of 910lbs. The tire capacity has a maximum load of 745 lbs at 90 psi as you stated. You are correct in assuming that this can only carry 745 lbs, but that is just for the individual tire. Since you would have at least 2 on your trailer, the pair would be capable of holding 1,490 lbs since the weight of the trailer will be distributed between the two tires. I have attached a video review of...
    view full answer...
  • Does 4.80/4.00-8 Trailer Tire Need to be at Max PSI for Lightweight Trailer
    It's not uncommon for trailer users to deflate the tires for lightweight trailers, but when we've spoken with our trailer tire manufacturers, like Kenda with their 4.80/4.00-8 Bias Trailer Tire # AM30050, they've said to stick with the psi rating on the sidewall of the tire. Some tire manufacturers have charts that show what to put the psi rating at when hauling different loads so if your manufacturer has something like that feel free to follow it, otherwise it's best to go with the rating...
    view full answer...
  • Can Camper Trailer Weight Capacity Be Increased By Changing Tire Load Range Rating
    Thank you for the photo of your camper trailer. When it comes to a trailer's weight carrying capacity the lowest-rated part of the trailer - either the frame, axle, hubs, wheels or tires - will determine if more capacity can be added. If the tires were the lowest-rated component then changing them to another size or simply to a higher load range in the same size could give you more capacity/safety margin. But if the tires are not the "weakest link" then upgrading them does not add capacity...
    view full answer...
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  • Replacement Trailer Tire and Wheel Combinations for Boat Trailer with 4.80/4.00-8 Sized Tires
    We have a number of tire and wheel combinations to fit your boat trailer with 4.80/4.00-8 sized tires. I've linked our selection for you. We have a galvanized wheel with 4 on 4 bolt pattern and load range C tire # AM30050. Another with 5 on 4-1/2 bolt pattern and load range C is # AM30070.
    view full answer...
  • Smallest Diameter Trailer Tire and Wheel with Max Capacity of 600 Pounds and 4 on 4 Bolt Pattern
    The smallest tire size we have that fits a wheel with a 4 on 4 bolt pattern and is rated for at least 600 pounds is 4.80/4.00-8 and has a load range of C. We carry two products that fit this: # AM30040 that is on a white powder coated wheel and # AM30050 on a galvanized wheel. Both have an outer diameter of 16.1 inches and a maximum capacity of 745 pounds at 90 psi.
    view full answer...
  • 8 inch Wheel and Tire with a Larger Pilot Diameter than 2.5 Recommendation
    Is it possible that you have a 2.8 inch pilot diameter? If so we have some options that would work like the part # AM30060 that has a 5 on 4-1/2 inch bolt pattern and a 2.8 inch pilot diameter. If you have a 4 on 4 inch bolt pattern you would want the part # AM30050. If you are unsure of your wheel's bolt pattern I attached an FAQ article that will help you determine your bolt pattern.
    view full answer...
  • Recommended 4.80/4.00-8 Size Special Trailer Tire for Use on Highway
    The two special trailer tires we offer in your 4.80/4.00-8 size are both bias ply types, Load Range B tire # AM10002 and Load Range C tire # AM10004. The tire/wheel item you referenced, part # AM30050, includes this C-rated tire on a galvanized 4-on-4 wheel. All of these trailer tires carry a speed rating of 65-mph. Unless we indicate a different speed rating on the page, all trailer tires we sell are rated for 65-mph. In your tire size we do not offer a higher-speed-rated tire; larger...
    view full answer...
  • Highway Legal 4.80/4.00-8 Tire that Can Go Up to 65 MPH
    You are correct and I do have a tire for you. However, you don't want to use the Kenda Loadstar K371 Bias Trailer Tire - 4.80/4.00-8 item # AM10002 on the highway at 70 mph. Instead you will want the Kenda K371 Bias Trailer Tire - 4.80/4.00-8 - Load Range C item # AM10004. This tire is the same size but is a Load Range C tire. It is rated to be used on the highway but has a maximum speed of 65 mph when inflated to 90 PSI. This is our highest rated 4.80/4.00-8 tire. For a great tire and...
    view full answer...
  • Replacement Wheel and Tire for WaveRunner Trailer with Size 165/65-8
    For an exact replacement of the wheel and tire size you have of 165/65-8 we have the Kenda part # AM3H200 which would work really well. The part # AM30050 would work too but it's going to be a about 1/2 shorter and a couple inches narrower.
    view full answer...
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  • Replacement 4.80/4.00-8 Tire & Wheel Combination
    For your 4.80/4.00-8 tires and rims I recommend the Kenda 4.80/4.00-8 Bias Trailer Tire with 8" White Wheel - 5 on 4-1/2 - Load Range C # AM30060 or the galvanized wheel # AM30070. Each wheel will have a maximum load capacity of 745 lbs at 90 psi. This tire will have a diameter of 16.1 inches and a width of 4.7 inches. If you have the 4 on 4 inch bolt pattern, I recommend the powder coated # AM30040 or galvanized # AM30050.
    view full answer...
  • Galvanized Wheel/Tires 16 Inches Tall For Trailer Build With 4 Lug Bolt Pattern
    The closest option I have to meet your criteria is the Kenda 4.80/4.00-8 Bias Trailer Tire with 8" Galvanized Wheel - 4 on 4 - Load Range C # AM30050. This wheel is 16.1 inches in diameter and has a maximum load of 745 lbs. Another option is Kenda 5.70-8 Bias Trailer Tire with 8" Galvanized Wheel - 4 on 4 - Load Range C # AM30130. This tire is 910 lbs capacity and is 18 inches in diameter. To get the load range you desire you'd need to use a 10 inch wheel like the Kenda 205/65-10...
    view full answer...
  • Replacement 4.8-8 Wheels and Tires for Boat Trailer
    Yes, we have replacement 4.8-8 tires and wheels. Depending on your lug nut pattern we have two options. For a 4 on 4 lug pattern: Kenda 4.80/4.00-8 Bias Trailer Tire with 8" Galvanized Wheel - 4 on 4 - Load Range C item # AM30050 For a 5 on 4-1/2 lug pattern: Kenda 4.80/4.00-8 Bias Trailer Tire with 8" Galvanized Wheel - 5 on 4-1/2 - Load Range C item # AM30070 If you are just looking for a replacement tire Kenda K371 Bias Trailer Tire - 4.80/4.00-8 - Load Range C item # AM10004
    view full answer...
  • How To Measure Correct Wheel Lug Pattern On A 4.8/400-8 Wheel
    The wheel you have right now is 4 on 4 bolt pattern with an outer diameter of the tire at 16.1" and a width of 4.7". Kenda 4.80/4.00-8 Bias Trailer Tire with 8" Galvanized Wheel - 4 on 4 - Load Range C Item # AM30050 If you wanted to go up to a 13" 4 on 4 rim with a 175/80-13 tire the outer diameter of the tire would go up to 24.1" and the width would be 6.6. Loadstar ST175/80D13 Bias Trailer Tire with 13" Galvanized Wheel - 4 on 4 - Load Range C Item # AM3S130. Which is a significant...
    view full answer...
  • Replacement Hub and Wheel For Unitized Hub on 2000-lbs Axles with Inner Bearing L44649
    I have a solution for you on this, but we do not have any unitized assemblies available, so you would need to get a new hub and wheel for your trailer. I'll also mention that the # AKIHUB-440-2-2K won't work for you since the grease seal does not match up with the 1.250" ID of the National seal you mentioned. However, you can use the CE Smith Trailer Hub Assembly w/ Carrying Case for 2,700-lb Axles - 4 on 4 - Pre-Greased # CE13109 which use # L44649 inner and outer bearings and have a grease...
    view full answer...
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