What Size Tire Is A 205 75R14?


205/75R14 Tires 205/75R14 tires have a diameter of 26.1″, a section width of 8.1″, and a wheel diameter of 14″. The circumference is 82.0″ and they have 773 revolutions per mile.

What is the difference between 205 75R14 and 205 75D14?

Tire designations ST205/75D14 and ST205/75R14 are both for special trailer tires with a 205mm width, 75-percent aspect ratio and that fit a 14-inch wheel. The difference between them is the tire’s type of construction. The ST205/75D14 tire is a bias ply type with a Load Range D rating.

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.

What width is a 205 tire?

205/75R15 tires have a diameter of 27.1″, a section width of 8.1″, and a wheel diameter of 15″. The circumference is 85.1″ and they have 744 revolutions per mile. Generally they are approved to be mounted on 5-7″ wide wheels for passenger tires and 5.5-6.5″ for LT tires.

What does 75R14 mean on a tire?

The second number, 75, refers to the tire’s sidewall aspect ratio (also called section height) and means in your case that the aspect ratio of your tire is 75% of the tire’s width. The R letter indicates the tire has radial construction. And finally the 14 indicates the diameter of wheel the tire will fit.

What does the R14 mean on a tire?

R14 means the tire is meant to fit on a 14-in. diameter wheel. The R means it’s a radial construction tire, which refers to the direction of the tire’s internal structural cords. These days, radial tires are the industry standard for passenger vehicles. The 82H is the tire’s maximal load and speed rating.

What does D mean in tire size?

D is for tires built with diagonal (crisscrossed) plies, called bias-constructed tires. They are also called conventional, x-ply, or cross-ply tires. Some motorcycle and trailer tires still use this internal construction.

What is the difference between ST205 75R14 and ST205 75R15?

The difference between the two tire sizes is the application the tire was intended for. Tire sizes that start with ST are intended for use on trailers and tire sizes that start with P are designed for passenger vehicles.

What’s the difference between ST205 75R15 and ST205 75D15?

The difference between the two tire sizes you mentioned is the construction of the tires. The R in the ST205/75R15 indicates that the tire is a radial. The D in the ST205/75D15 indicates that it is a bias-ply.

What’s better load range D or E?

Expert Reply: Load range D has a capacity of 1,220 lbs at 65 psi, whereas load range E has a capacity of 1,520 lbs at 80 psi. Basically the only difference between the two is the weight capacity.

Should I fill trailer tires to max psi?

When it comes to trailer tires you always want to have them inflated to their max psi when cold. Not only do you get the full capacity at the max psi, you also will generate less heat in the tire since there won’t be as much flex in the sidewall, you’ll get better wear and better fuel mileage.

Is Load Range D better than C?

Expert Reply: The difference between an load range C and load range D tire in the same size is the capacity and psi rating. The two tires will still have the same dimensions and fit on the same wheel. The D rated tire has a higher capacity.

What is the difference between a 205 and a 225 tire?

A 205 tire uses a 7.0” width wheel. A 225 tire uses a 7.5” width wheel. Mounting a 225 on a 7” width wheel will result in the tire crowning more as the sidewalls are pulled in. It could result in excess centerline wear.

Can I put 225 tires on 205 rims?

Expert Reply: You can certainly change your trailer tires to a narrower 205mm width as long as your wheels are 6- or 6-1/2-inches in width. These are the only size wheels that can take both 225mm and 205mm tire sizes.

Can you put a wider tire on the same rim?

As a general rule of thumb, it’s safe to fit a tire up to 20 millimeters wider than stock on the original rim. The actual width of the tire will vary depending on the width of the rim: The tire will expand 5 millimeters for every half inch (12.5 millimeters) increase in rim width.

What is the difference between 205 75R14 and 215 75R14?

The ST215/75R14 tire size is larger in diameter/height by just about 0.6 inches and larger in width by about 0.4 inches when compared to your existing ST205/75R14 tires. It is also a lower load range.

How do you read trailer tire sizes?

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. Large size trailer tires are made up of three numbers.

How tall are 205 75r15 tires?

The 205/75-15 Tire and Wheel Combo, # AM32395, is 8.1 inches wide and 27.3 inches tall.

What is the widest 14 tire?

Tire Sizes by Wheel Diameter

14″ Options
115/70-14 185-14 225/50-14
135-14 185/55-14 225/60-14
135/80-14 185/60-14 225/70-14
165-14 185/65-14 235/60-14

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

Helpful Expert Reply: To go from a 15 inch trailer wheel to a 14 inch trailer wheel would only require you to match up the bolt pattern of what you currently have with what you would like to install. You will first need to determine what bolt pattern you have on your wheel.

What size is a 14 inch tire?

70% of 215mm is 150.5mm. Converted to inches, this 14-inch tire has an 8.46-inch tread width and 5.92-inch sidewall height.

Is D or R better for trailer tires?

Radial tires have a wider footprint, which spreads out tread wear and also adds to the life of the tire. Radial tires are more resistant to punctures. Radial tires provide better fuel economy because they have less rolling resistance.

Can I mix R and D tires?

Expert Reply: It’s fine to use a radial-type tire as a spare (a tire with “r” in its size code) with a trailer that has Bias ply “d” tires but for a short distance in the event of a flat tire. But mixing tires is not recommended for everyday use because their internal construction is different.

Are wider tires better?

There’s a reason why the majority of cars have wide rather than narrow tires. Overall, wider tires are better for dry surfaces and for high-performance vehicles. Greater surface area allows for better day-to-day traction and durability.

Can you use radial tires on a trailer?

Yes, you can use radial tires on a trailer as long as they are trailer tires. Trailer tires will have ST in front of the size. Radial indicates which way the belts run in the tire.

What do the letters mean on trailer tires?

The letter in the tire size refers to the load rating of the tire. For the tire you referenced, the Loadstar ST185/80D13 Bias Trailer Tire, the tire is a Load Range D tire. This means that the maximum load of the tire is 1,725 pounds at 65 psi. A Load Range C tire will have a lower capacity than a Load Range D tire.

What is a radial tire vs bias ply?

A radial trailer tire is constructed with steel belts of the tire running at a 90 degree angle of the tread center line. A bias ply trailer tire is constructed with nylon belts of the tire running at a 30-45 degree angle of the tread center line.

What does the D mean in 175 80D13?

Expert Reply: The difference between the letter D in your ST175/80D13 and the R in the tire size of the Wheel and Tire ST175/80R13 part # AM31985 that you referenced is the tire construction. D stands for bias-ply which is a less preferred tire construction, whereas R stands for radial.

What does St mean on tire size?

Tires beginning with a ST (for example ST175/80R13) indicate a Special Trailer tire and should only be used on car, boat or utility trailers. LOAD INDEX AND SPEED RATING. Example: P225/60/R16 94V.

What is the best load range for trailer tires?

Special Trailer Service Tires

ST-Metric Trailer Service Tires
Load Range Ply Rating Maximum Load Pressure
B 4 35 psi (240 kPa)
C 6 50 psi (350 kPa)
D 8 65 psi (450 kPa)

What load range is a 12 ply tire?

Tire Ply-Ratings

So typically we would say a tire is 6-ply rated, 8-ply rated, or 10-ply rated, and those correspond to Load Range C, D, and E respectively. So of course a Load Range F does correspond to a 12-ply rating.

Do I really need Load Range E tires?

A Load Range E tire is recommended, and we would be very careful about airing down too much if traveling at more than crawling speeds. There is still value to running a Load Range E tire on a lightweight off-road vehicle.

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.

Do trailer tires need to be rotated?

Trailers, just like vehicles, need their tires rotated too. To avoid mechanical problems both minor and major, it is recommended that you rotate your trailer tires.

Can you over inflate trailer tires?

It’s really important not to overload trailer tires. Overloading tires can cause premature wear and increase the risk of tire failure. The “Max. Load” information stamped on the sidewall indicates a tire’s load capacity when it’s inflated to the maximum PSI.

What load range tire do I need for my truck?

To roughly determine the load range capacity for each individual tire, take the vehicle’s gross weight and divide by four. If the vehicle gross weight is 4,500 pounds, each tire should be able to safely support at least 1,125 pounds.

What D rating means?

The Content Labels

TV Parental Guidelines may have one or more letters added to the basic rating to let parents know when a show may contain violence, sex, adult language, or suggestive dialogue. D – suggestive dialogue (usually means talks about sex) L – coarse or crude language. S – sexual situations.

What does load range B mean on trailer tires?

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.

Can you upgrade trailer tire size?

You can add larger wheels and tires to a trailer as long as you have enough room for the larger size. The main clearance issues we find when putting larger tires and wheels on a trailer is from the top of the tire to the fender and from the inside wall of the tire to the trailer wall/frame.

Is it OK to put different size tires on a car?

Tires are a part of the wheel setup. For instance, your vehicle has a set size of rims, but you can buy different sizes of tires to fit those rims, as long as the middle of the tires is the correct size. That being said, a vehicle with bigger rims will often be able to fit larger tires than other vehicles.

What does 205 mean on a tire?

The first three numbers (205) indicate the width of the tire tread in millimeters. 60 is the aspect ratio or profile of tire. This is indicated in percentage of the tire width. “R” stands for the construction method of the tire indicating the tire is a radial tire.

What is the difference between 215 and 205 tires?

The 215 tire adds to the cornering abilities and handling of your vehicle. The wider tire has a larger contact patch, increasing fuel consumption and steering hardness. With the 205, you get a better fuel economy, but the handling and cornering abilities go down slightly.

What happens if my tires are too small?

Smaller tires can cause inaccurate information from your speedometer and odometer, create transmission shifting issues, cause anti-lock brakes to malfunction, and may even trip your check engine light.


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