Do trailer tires have speed ratings?

Trailer tires commonly have tire speed ratings in the 65 – 75 mph range. Unless otherwise noted, the speed rating for trailer tires is 65 mph.

How do I know what speed rating my trailer tires are?

You can also possibly find the speed rating of your vehicle on the sidewall of your tire at the end of the tire size. As an example: if your tire size is "225/70R16 91S", the "S" at the end is the speed rating.

What are the speed ratings for RV tires?

For most tires on motorhomes, the maximum speed limit is 75 mph. For fifth-wheels and travel trailers, the speed rating could be as low as 60 to 65 mph. If you exceed the speed rating of a tire, it will not explode; however, maintaining a higher speed for a long distance can cause heat buildup.

Are tires rated for speed?

The higher the speed rating, the better control and handling you'll have at higher speeds. The speed rating system was developed to help control the safe performance of tires at standardized speeds. A tire's certified speed rating is given a letter from A to Z, ranging from 5km/h (3mph) to above 300 km/h (186 mph).

How are trailer tires rated?

The load range is the load capacity of the trailer tire. A tire's load range is located on the sidewall of the tire. The load range is rated with a single letter, such as B, C, D, etc. If you have two tires of the same size but one with a load range of B and D, the D range tire will have a higher weight capacity.

Trailer Tire Speed Ratings: Are You Towing Too Fast?

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

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 is the speed rating for a 12 inch trailer tire?

Weight isnt an issue, but speed is. The trailer came with 12 inch tires are rated for 55 mph.

Where do you find speed rating on a tire?

Speed rating is easy to locate because it's usually the last item in the character sequence in the tire's size code. For example in this tire code: “P205/60R16 82S,” S is the speed rating. To view the tire size code for your current tires, just look at the sidewall.

What does the T or V mean on tires?

S – Up to 112 mph. T – Up to 118 mph. H – Up to 130 mph. V – Up to 149 mph. W – Up to 168 mph.

What does it mean when tires dont meet speed rating?

The speed rating tells you the speed the tire can safely maintain over time. A higher speed rating usually means you will have better control and handling at higher speeds - and that the tire can take the extra heat. As a general rule, tires with higher speed ratings also handle better at slower speeds.

What happens if you exceed trailer tire speed rating?

Special trailer tires are usually rated to operate at a maximum speed of 65 mph. If you exceed 65 mph, heat could build up in the tire and cause it to break down and fail. If a tire is rated to run at a higher speed, this information should be listed on the trailer's sidewall.

How fast can you drive pulling a travel trailer?

According to Roger Marble (a.k.a. tireman9 on RV forums), it's best to tow no more than 60 MPH when using ST tires and some manufacturers recommend not towing faster than 60 MPH. Driving a bit slower than the highway traffic on four or more lane highways results in less lane changes.

What is Load Range D on a trailer tire?

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 is Load Range C on a trailer tire?

A load range 'C' tire, for example, is at its peak load capacity—possibly 1600 pounds—when it's inflated to its maximum pressure of 50 PSI. A load range 'C' tire at 25 PSI might be able to support a load of 990 pounds, while at 40 PSI, that capacity could be 1300 pounds.

Which is better H or T rated tires?

The “T” or “H” on tires pertain to their speed ratings. A T-rated tire can withstand top speeds of up to 118 mph (190 km/h), while an H-rated tire can support up to 130 mph (210 km/h). It is important to note these markings and stay within those speed limits.

What is Load Range E?

Therefore load range simply tells how tough the tire is and the allowable PSI. For example, an “E” load range indicates that a tire is equivalent to a 10-ply construction tire. In realitly, this tire is not built with 10 plies, but rather one or two plies of equivalent strength.

Can I use W rated tires instead of V?

V means that vehicles can safely use the tire with a top speed higher than 149mph. The rating W shows that the tire is safe to use for a vehicle with a top speed of 168mph.

What does R mean on a tire?

“R” stands for the construction method of the tire indicating the tire is a radial tire. The following two numbers (16) indicate the diameter of the wheel rim in inches. The next two or three numbers (94) indicate the load index of the tire. In the example, 94 means the tire can carry 670kg.

What does W mean on tires?

The letter W denotes the maximum speed rating, which translates 168 mph—not something intended for mom's minivan. See our list of speed ratings below, which range from a low of "L" (just 75 mph for some off-road tires) to a high of Y (186 mph).

What do the 3 numbers mean on tire size?

B: TIRE WIDTH The three-digit number following the letter is the tire's width (from side to side, looking at the tire head on) in millimeters. This may also be referred to as the section width. C: ASPECT RATIO The forward slash separates the tire width number from the two-digit aspect ratio.

What is the difference between 5.30 and 4.80 in a trailer tire?

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.

How fast can a Harbor Freight trailer go?

Found an online manual for the Harbor Freight 1800# trailer. Item number 8 under Warnings and Cautions says do not tow trailer more than 45 mph.

What is the speed rating on Goodyear endurance trailer tires?

The Endurance is available in Load Ranges D and E to accommodate larger load capacities, according to Goodyear. It also has a speed rating of N (87 mph), which is considerably higher than the usual trailer tire speed rating of L (75 mph), according to Mr.