What size are utility trailer tires?

What size tires do utility trailers have?

8 – 9 – 10 – 12 – Inch Trailer Tire Sizing

Older Size	Tire Size	Overall Diameter
–	4.80/4.00-8	16.1 inches
–	5.70-8	18.1 inches
16.5 x 6.5 – 8	165/65-8	16.5 inches
18.5 x 8.5 – 8	215/60-8	18.3 inches

What size are trailer tires?

Trailer tire sizes are broken into main groups 12 inch and smaller and 13 inch and larger. Sizes 12 inch and smaller are generally listed by a two number size, such as 4.80-8 or 5.70-12. The first number in this size is the width of the tread, the second number is the size of the rim that it mounts on.

Can I put bigger tires on my utility trailer?

You can add larger wheels and tires to a trailer as long as you have enough room for the larger size. … Larger tires will typically have a higher weight rating. Tires with a higher weight rating will not increase the load carrying capacity of the trailer, so you will still be limited to the weight capacity of the axle.

What size tire is 5.30 12?

The 5.30-12 tire that you currently have has a section width of 5.3 inches and has a diameter of 21.9 inches. The ST145/R12 size tire that you are wanting to replace it with has a section width of 5.7 inches and has a diameter of 21.3 inches.

What does st205 75R15 mean?

This number indicates that your tire has a width of 205 millimeters. 75. This number means that your tire has an aspect ratio of 75%. In other words, your tire’s sidewall height (from the edge of the rim to the tire’s tread) is 75% of the width. In this case, the sidewall height works out to be 153 millimeters.

Can you run two different size tires on a trailer?

An important point of consideration is when using two different size tires, the load has to be no more than the capacity of the lowest rated tire. With this substantial difference with both weight capacities and inflation levels, the chances of inadvertently overloading on the smaller side tire is quite possible.

What size is a 15 inch trailer tire?

These Loadstar 15 inch trailer tires come in two popular sizes, 205/75 and 225/75, each are also available in Bias ply and Radial Trailer Tires.

What rating is a trailer tire?

Today most trailer tires are rated as high as 87 mph. In general trailer tires have lower speed ratings than car tires, however.

What does 4.80 8 mean on a tire?

Lawn tractor tires using the two-number system display numbers as 4.80-8, for example. This means the tire’s width is approximately 4.8 inches and the rim is 8 inches in diameter. Those are the only two numbers you need to find the right size replacement tire.

Can I put 15 inch tires on my trailer?

Yes, you can change trailer wheel size from 13 inch to 15 inch on the same axle if that axle isn’t a 2000 lbs axle. Most 2000 lb axles are not rated to use a 15 inch tire.

Does trailer tire size matter?

Simple physics: Wider tires = more road resistance = more power required to pull = lower MPG while towing. Trailer builders use smaller tires to save weight and cost.

Why are trailer tires so small?

Probably the biggest reason they are smaller is that it costs the mfgr less to use small tires. The second reason could be that with smaller diameter tires there is a smaller intrusion into the space inside of the trailer (wheel wells).

What is the difference between 480 12 and 530 12 trailer tires?

A 4.80-12 tire will be 20.5 inches in diameter whereas a 5.30-12 tire will be 21.9 inches. You would need to make sure that the is more than 3/4 of an inch above the 4.80-12 tire to be able to use a 5.30-12. The smaller 4.80-12 is 4.9 inches wide. The 5.30-12 is 5.6 inches wide.

What does 5.30 mean on a tire?

A 4.80-12 tire/wheel when fully inflated will have a diameter of 20-1/2-inches while the 5.30-12 size will be just under 22-inches in overall diameter.

How tall is a 4.8 x12 tire?

Additional information

Weight	9 lbs
Dimensions	21 × 5 × 21 in
Height/Ratio	20.07
Rim Diameter	12
Width	4.8

What is the difference between a D15 and R15 tire?

The R15 is a Radial tire and the D15 is a Bias Ply tire. … These tires are usually a harder rubber and can carry more weight but not necessarily a smoother ride.

What does AD stand for on a trailer tire?

This size tire is available as a ST205/75-D15 or as a ST205/75-R15. The D indicates that the tire is a diagonal bias ply construction and the R indicates that the tire is a radial tire construction. Beyond the size and type, there are load ranges for tires. Most trailer tires are load range B, C or D.

What is Load Range D on trailer tires?

The D load range is rated for 2,540 pounds at 65 psi. And the E load range is rated for 2,830 pounds at 80 psi. If you had a single axle trailer with a gross weight rating of 5,000 pounds, you would use the D or E tires in this size since the C tires would be under rated for the weight.

Why do trailer tires wear out so fast?

That said, rapid or significantly uneven trailer tire wear can be caused by: Riding with the wrong tire pressure. Exceeding your tires’ load capacity. Trailer misalignment or bent wheels from hitting curbs, potholes or debris.

Are trailer axles supposed to flex?

Expert Reply: While trailer axles do feature an upward bend like you are describing, there isn’t a particular amount/measurement that is standard across the board. This bend in the axle is designed so that it will straighten under a trailer’s loaded capacity.

How do I know what size my trailer tires are?

Measure aspect ratio from the top of the trailer rim to the top of the tire. In our example, ST225/75R15, this is the second number or 75. This stands for the number, as a percentage, to subtract from the section width, which results in the value of the trailer tire’s section height.

What is the tallest 16 inch trailer tire?

The highest-rated 16-inch trailer tire we offer is the Load Range G Provider ST235/85R16 Radial Trailer Tire # TTWPRG235R16. This tire’s maximum load capacity is a whopping 4080-lbs at 110-psi cold tire pressure when used in a single-tire application.

Will car rims fit on a trailer?

If your vehicle wheel/rims fit your trailer hub bolt pattern and have clearance from the frame, body, or fender of your trailer, you can use passenger wheel/rims.

How fast can you pull a trailer with 12 inch tires?

Expert Reply: The 12 inch tires that we carry are rated for 65 miles per hour. Any faster than that for extended periods and the excessive heat build up will cause tire failure.

How fast can you pull a trailer with 13 inch tires?

Expert Reply: 13 inch trailer wheel/tires like the size 185/80-13 like part # AM1ST79 are rated for up to 81 MPH. Most trailer tires are only rated for 65, so if 65 is the limit you have then you’d be good.

What’s the difference between 14 ply and 16 ply tires?

Truck tires typically come in two load ratings: G and H. Load range G is a 14-ply configuration, while load range H tires have 16 plies. The heavier-rated tire will usually add between 700 pounds and 1,000 pounds more load-bearing capacity per tire (see “How Much is Too Much,” next page).

What size tire is as 4.8 8?

The special trailer tire size 4.80-8 does have an overall diameter of right around 16-inches when the tire is mounted on the rim and inflated. The other popular trailer tire size that has about the same overall diameter is the 165/65-8 size, which is about 16-1/2-inches overall diameter.

What size is a 4.8 tire?

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.

What size is a 4.10 4 tire?

4.10/3.50-4″ Flat Free Tire

Tire Type	Flat Free
Tire Size	4.10/3.50-4″
Tire Diameter	10.3″
Tire Width	3.3″
Load Capacity	300 lbs

Can I put 15 inch wheels on a 14 inch trailer?

Expert Reply: As long as the bolt pattern is the same and you have enough room all around the existing tires for the larger size then yes, you can go to a 15 inch wheel and tire.

Will a 15 inch tire fit a 14 inch rim?

No, absolutely not. R is half of the diameter (so 7″ and 7.5″ in this case). The rim, at 14″ in diameter covers an area of: 153.9 square inches. That 14″ rim will only fill 87% of the 15″ hole in the tire.

How much clearance do you need between gender and trailer tires?

Great question. As a general rule, when your trailer is loaded to it’s full capacity, there should be a minimum clearance of 3 inches between the top of your tire and the underside of your fender.

Can you put small tires on trailer?

Yes, you are able to put a smaller tire on the trailer to lower it, however there are a few things that you want to consider when choosing a smaller tire. According to my research the standard tires that are on your trailer are ST175/80R 13LRC tires with a 1360 pound capacity.

Can you use regular tires on a trailer?

Never use passenger tires on a trailer. They are usually rated Load Range B, a 4-ply equivalent, because their sidewalls are flexible for a smooth ride—far too flexible for trailer duty. They are not engineered to stabilize heavy loads or to handle the temperatures that build with them.

Do trailer tires need to be balanced?

Since the primary duty of a trailer tire is supporting a vertical load, rather than gripping an automobile through turns, trailer tires do not have to be dynamically balanced like passenger car tires do. Steering and cornering are less of a concern on a trailer tire than they are on an automotive tire.

Can trailer tires be used on a truck?

The answer is they will fit but will not necessarily be safe. Trailer tires typically have higher load ratings and thicker sidewalls. Every tire has a load rating. The total of load rating on all your tires should not exceed the gross load weight of the trailer loaded.

How long do utility trailer tires last?

Each tire manufacturer will likely have different recommendations on the service life of a particular type of tire, but statistics suggest the average life of a trailer tire is about five years under normal use and maintenance conditions, and that tire replacement should be considered after three years, even if the …

Can you mix Radial and bias tires on a trailer?

It is important to never mix bias and radial tires on the same trailer. Likewise, tires should be of the same size and load rating on all axles and inflation should be checked before each outing.

What does 4.80-12 mean on a tire?

asked by: Bud. Expert Reply: Yes, a 4.80-12 trailer tire uses a 12 inch diameter wheel that is 4 inches wide. The 4.80 spec is the width of the tire.

What size tire is 5.70 8?

The 5.70-8 tire size is about the largest diameter tire available for an 8 inch rim. Your current tire is about 18 inches in diameter and has a tread width of 5.9 inches. A 215/60-8 tire is about the same diameter, but has a wider tread width at 8.9 inches.

How wide is a 4.80 8 tire?

The 4.80 x 8 tire size like the Kenda K371 Bias Trailer Tire, part # AM10004, is 16.1 inches tall and the overall width is 4.6 inches.

What size tire is a 4.00 6?

This 4.00 – 6” tire is a low profile version, meaning that it is mounted on an 8” diameter rim (as opposed to a 6″). The overall diameter of this tire is slightly smaller than standard 4.00 – 6” pneumatic (air-filled) tire.
…
4.00-6″ LP Flat Free Tire.

Tire Type	Flat Free
Tire Size	4.00-6″ LP
Tire Diameter	12.4″
Tire Width	3.3″
Rim Diameter	8″

How do you read a dolly tire size?

A common sizing system for wheelbarrow and hand-cart tires are 2 numbers, separated by a hyphen. The size could also be a series of 3 numbers separated by an “X” or a “/”. The two most common sizes are 4.00 – 6 and 4.10 – 6. The first number is the height of the tire sidewall, and the second number is the rim diameter.

What does 3.50 8 mean on a TYRE?

8″ is your, and my, rim size. This tube is for a rim (metal part of a wheel) which has a diameter of 8″, thus we are OK so far. In our cases, 3.50 refers to tire width and in this nomenclature case (“3.50 – 8”) 3.50 is also the distance from tire edge to the rim (or the sidewall distance).

How wide is a 4.8 12 tire?

The typical diameter of a 4.80×12 tire is 20.5 inches. On a 145/80-12, it is 21.3 inches.

What is load range B on a trailer tire?

Load range B trailer tires are going to have a lower capacity than C load range tires. Basically that, psi rating, and the ply rating are the only differences. A higher load range tire would last a little longer than lower load ranges of the same size but it will not increase the capacity of the trailer.

What is Load Range C?

Therefore, Load Range basically defines the tire’s toughness and maximum allowable air pressure and not the specific information about its composition. For example, a C Load Range specifies that a tire is equivalent to a 6-ply construction tire.