Q&A

Can you mix bias and radial tires on trailers?

Can you mix bias and radial tires on trailers?

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.

Should you inflate trailer tires to Max?

A trailer tire should be inflated to the maximum inflation designated on the sidewall of the tire to provide the full load carrying capacity. The best time to check the air pressure is when the tire is cool to the touch, and not right after the tire was in operation.

Can you mix and match trailer tires?

Whichever tire type you choose, just keep in mind that they are not meant to be mixed. Mixing the two types on the same trailer can cause uneven wear and tracking problems.

How old can trailer tires be and still be safe?

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 …

Is D or R better for trailer tires?

The difference between the two trailer tire sizes is that the letter D in the first size you listed ST205/75D15 stands for bias ply and the letter R in the tire size that they put on your vehicle stands for radial. A tire that runs cooler will last longer.

Why do trailer tires wear out so fast?

That said, rapid or significantly uneven trailer tire wear can be caused by: Trailer misalignment or bent wheels from hitting curbs, potholes or debris. Not towing level, which puts more weight and strain on one axle. Uneven load management instead of spreading weight evenly to all wheels/tires.

What psi should I inflate my trailer tires?

What psi Should Trailer Tires be Inflated To Trailer tires should always be inflated to the maximum air pressure indicated on the tire. The tire on tire and wheel combo #AM30620 for example should be at 90 psi. The reason that you inflate trailer tires to the max is because trailer tires are…

What psi should trailer tires be?

Boat-trailer tires require a lot of air pressure — in most cases, between 50 and 65 psi. In fact, the correct tire pressure for your boat trailer is almost always the maximum-rated pressure for that tire, which is molded right on the sidewall. Maintaining that trailer tire PSI is critically important to towing safety.

Why do my trailer tires keep blowing out?

A lot of trailer tire blowouts are a result of heat build up that causes the tire to fail. There are several things that can cause too much heat to build up but the main two most likely suspects are overloading the trailer and/or under inflated tires. Light truck or passenger vehicle tires should not be used.

Is trailer king a good tire?

They track well and deliver very good stability at highway speeds. However, these tires can be difficult to mount on a trailer and load range D tires have softer side walls. Overall, Trailer King ST Radial tires are recommended by most trailer owners who have used them and they get an above average rating.

What does the D stand for in trailer tires?

bias ply construction
Question: I have ST205/75D15 tires on my camping trailer. The D is the designation for the internal construction of the tire. The D stands for diagonal or bias ply construction. That means the tire body plies inside the tire will crisscross.

What is the D rating on a trailer tire?

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)

How is a bias ply trailer tire constructed?

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. Steel Belted – Results in tougher overall construction

How big of a tire do I need for a trailer?

Trailer Tire Sizing 1 *ST – These tires are for a trailer (Specialty Tire for trailer use only) 2 *175 – The maximum width of the tire is approximately 175 mm at the widest point 3 *80 – Indicates the height of the sidewall is 80% of the width (in this case 140 mm)

How much mileage can a radial trailer tire get?

The general rule of thumb for mileage you can get out of your trailer tire is about 25,000 miles. So, if you’re trailer makes those longer trips with you on a regular basis, you will probably benefit from spending the extra money on a radial trailer tire to take advantage of the longer tread life.

What does 80 mean on a trailer tire?

*80 – Indicates the height of the sidewall is 80% of the width (in this case 140 mm) *D – This is a ‘Bias’ tire (D is for diagonal-the belts run diagonally from bead to bead or at about 45 degree angles to the center line of the tire.