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

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• 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...
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• 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...
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• 4.80/4.00-R8 Tires and Wheels
  For tires and wheels sized 4.80/4.00-R8, if you have a 4 on 4" bolt pattern you can use the Kenda # AM30000 bias trailer tire with wheel. It is speed rated for 65 mph and has a "B" load range. If you have a 5 on 4-1/2" bolt pattern you can use the Kenda # AM30020 which is also a bias trailer tire with a 65 mpg speed rating and "B" load range. However, none of our tires in this size have a 1" bore (pilot) hole. You might not see a bore hole that small unless you were taking about a wheelbarrow...
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• 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...
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• Replacement Trailer Wheel and Tire in Size 4.80-8
  Thank you for your photo of your trailer wheel and 4.80-8 tire. We do offer 4.80-8 size bias ply tires in both load range B and C ratings and you can view them by clicking on the link provided. Part # AM10004 is a C-rated tire with a maximum load of 745-lbs at 90 psi. Part # AM10002 has a maximum load rating of 590-lbs at 60-psi. Both fit 8 x 3-3/4-inch rims. Trailer tires should always be inflated to their maximum psi pressure as noted on the tire sidewall. Your rim appears to be a very...
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• What Air Pressure Should My Trailer Tires Be Run At
  You'll always want to follow the recommended PSI that is stated on the tire itself. The Kenda 4.80/4.00-8 Bias Trailer Tire # AM30020 you were looking at are designed to be run at 60 psi when cold. Tires on trailers can be changed, so the recommended psi could change depending on which tires you're using, so you'll always want to follow the specs printed on the sidewall of your tires.
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• Can Trailer Tires Be Aired Down for Better Traction on Icy Pavement
  We recommend running the vast majority of trailer tires at the pressure rating listed on the tire sidewall, and for very good reason. You can lower the tire pressure to increase the tire's contact surface with the pavement if you wish, however by doing so you are reducing the tire's capacity by an unknown degree. The tire's listed capacity is at the pressure rating listed on the tire's sidewall, if that pressure is lowered you won't know what the tire's capacity actually is which could...
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• 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...
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• 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...
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• Do Bearings Impact Max Speed Rating of Trailer Tires
  Bearings play no role in the maximum speed of trailer tires. The speed is based on the rating given to the tire from the manufacturer. If you don't have speed listed like on the # AM30020 then you can assume it is rated for the standard speed of 65 mph. If it is higher than 65 a trailer tire will have a rating with a letter like M which would be 81 mph.
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• Measuring Trailer To Determine If 4.8-8 Tires Can Be Replaced With ST145/R12 Tires
  You will need to take some measurements to verify you can move up to the larger Kenda Karrier S-Trail ST145/R12 Radial Tire w/ 12" Galvanized Spoke Wheel # AM31202. Your current 4.80/4.00-8 Bias Trailer Tire with 8" White Wheel # AM30020 is 16.1" tall and 4.6" wide. The larger tires are going to be 21.3" tall and 5.7" wide. You will need to have 1" of side wall clearance and 3" of vertical clearance when the new tires are installed. This means you will want approximately 5-3/4" of vertical...
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• Replacement Trailer Tire and Wheel for Older Dilly Boat Trailer
  For your trailer wheel and tire that has the size 4.80-8 on a 4 lug wheel the part # AM30000 would be a great option. Those tires definitely look like they need to be replaced!
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• 4.80/4.00-8 Tire Compatibility with Speeds up to 70 MPH on Drag Mini Bike
  We do not have a 4.80/4.00-8 tire that is rated for that speed. These tires are however rated for loads of up to 590 or 745 lbs at the max psi listed on the tire and are rated based on long distance driving under that load for 65 mph at their max psi so they don't overheat and fail. I can't confirm that the Kenda K371 Bias Trailer Tire - 4.80/4.00-8 - Load Range C # AM10004 or any other trailer tire will work on your drag mini bike as they haven't been tested for that use or the speeds...
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• Recommended Trailer Hub and Spindle for Compatibility with Wheels
  Unfortunately you do have an odd size spindle. My recommendation is to replace the spindle with the BTR E-Z Lube Spindle for 2,000-lb Trailer Axles - 1-1/4" Diameter # TRU44FR and then use hubs like the following options based on your bolt pattern: -Trailer Idler Hub Assembly for 2,000-lb E-Z Lube Axles - 4 on 4 - L44649 Bearings - Pre-Greased # AKIHUB-440-2-EZ-2K -Trailer Idler Hub for 2K E-Z Lube Axles - 13" to 15" Wheels - 5 on 4-1/2 - Pre-Greased # AKIHUB-545-2-LFEZ-2K This will...
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• Recommended Trailer Tire with Higher Speed Rating for Size 4.80-8
  All of our tires in the 4.8-8.0 size only have a 65 mph speed rating, like the part # AM30020 with a 5 on 4-1/2 bolt pattern. I cannot safely recommend you do 70 mph with this option for your trailer. For the 5 on 5 bolt pattern we have the replacement tire and wheel with the part # AM30070. But even though the description says that these work great at the highway speeds, my research shows that the limit is 65 mph.
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• Will a Higher Capacity Trailer Tire Last Longer on a 4x8 Trailer Harbor Freight Trailer
  The first problem is that you are running lower air pressure than what the tire is rated for. Trailer tires should ALWAYS be inflated to the maximum air pressure as indicated on the tire. The reason is that trailer tires are constructed with a thicker sidewall than passenger vehicle tires. Because of the thicker sidewall, if the tires are under-inflated there will be more heat build up and than can cause the tires to fail and as you are seeing wear out quickly. If your trailer weight...
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• 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.
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• 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.
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• Compatibility of 4.8-8 Trailer Tires to Replace 5.70-8 Tires On Boat Trailer
  The Kenda K371 Bias Trailer Tire - 4.80/4.00-8 - Load Range C # AM10004 has a load rating of 745 lbs as you stated. With that load capacity meeting your criteria, the only issue is the wheels. This tire size will only fit 8x3.75 inch wheel/rims which isn't an issue because that is the same size wheel/rim the 5.70-8 tires like # AM10012 fit. The difference is 4.7 width and 16.1 inch diameter instead of 5.9 inches wide and 18 inch diameter so you will lose 1 inch in the height of your...
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• Comparing 5.70-8 Tires to 4.80-8 Tires
  The 4.80/4.00-8 tires # AM30020 are 4.6 inches wide with the outer diameter (when inflated) being 16.1 inches. They have a load capacity of 590 lbs at 60 psi. If you move to the larger tire # AM30140 you will have a tire width of 5.9 inches and an outer diameter of 18 inches. This gives you a little over 1 inch more tread on each tire and also gives you almost 1 inch more ground clearance. It will increase your load capacity to 910 lbs at 75 psi. These tires will wear a little better...
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• Should Trailer Tires Be Inflated to Rating On Sidewall or Per Trailer Manufacturer's Recommendation
  Most trailer tires are capacity tested only at their full inflation pressure listed on the tire's sidewall. Since they're not tested at lower pressures, if the tire isn't fully inflated, the tire's capacity will be reduced by an unknown amount and could easily become overloaded without the user knowing it. Excessive heat build up is what causes tires to prematurely fail. Failure to fully inflate the tire, overloading the tire, and exceeding the tire's speed rating all contribute to heat...
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• Smallest Trailer Tire with Speed Rating Over 80 Miles Per Hour
  Eight inch trailer tires max out at 65 miles per hour. They are so small that at speeds above that they would have so many revolutions that they would get excessively hot and fail. Also, there isn't an 85 mph speed rating for tires. It goes from 81 (M rating) to 87 (N rating) and the highest that I have seen for a trailer tire is an M speed rating. To get to the M speed rating you would have to go all the way up to 12 inch tires and wheels such as # TTWSF48012C for a tire and depending...
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• What is the Smallest Overall Diameter Trailer Tire You Carry and What is the Speed Rating
  The special trailer (ST) tires will have a maximum speed rating of 65 miles per hour, unless stated otherwise on the tire. It is not recommended to run a trailer tire at a higher speed than 65 miles per hour due to the heat buildup that will occur inside the tire and cause the tire to break down and cause the tire to fail. The smallest 5 on 4-1/2 bolt pattern tire and wheel we sell is Kenda 4.80/4.00-8 Tire with 8 Inch Wheel, part # AM30020. It has an overall diameter of 16.1 inches. The...
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• Should Trailer Tire Rated for 90 PSI be Ran Always at 90 PSI
  Trailer tires are unique in that they are designed to be inflated to their max psi rating when cold regardless of the load on them. This ensures you don't create excess heat which would cause the tire to fail over time.
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