What is the tyre pressure for 155 80r13?

Westlake RP18 155/80R13 79T BSW Tires

Specs: Value:
Load Range/Ply Rating Not Available
Max Single Load(lbs) 963
Max Single Air Pressure(PSI) 44


How much air is in a ST175 80d13?

On a ST175/80-13 tire that has a load range of C, like the Kenda Tire and Wheel, part # AM3S160, you will want to run the maximum of 50 lbs of air pressure. That will give you a total weight capacity of 1,360 lbs per tire or 2,720 lbs for 2 tires on your camper. via

Should I inflate my travel trailer tires to max PSI?

Never inflate tires more than 10 PSI above the maximum PSI rating imprinted on the sidewall. Never install tires rated less than required per the Certification Label. Never consider an anticipated temperature change during the day's travel when setting the morning cold inflation pressure. via

What is the difference between a ST175 80D13 and a ST175 80R13?

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. via

What size is ST175 80D13?

175/80R13 tires have a diameter of 24.0", a section width of 6.9", and a wheel diameter of 13". The circumference is 75.4" and they have 840 revolutions per mile. via

Is 65 PSI too much for trailer tires?

Yes. I keep mine at 65 PSI. It's most important if you are close to the rated limit on the tires. If the loaded trailer weight is significantly lower, then going a bit lower is OK. via

Why do trailer tires have high PSI?

This is simply because trailer tires are built with a thicker and stronger sidewall, enabling them to handle higher air pressure along with higher loads. The above mentioned Provider tire is an 8-ply tire with a 2,540 pound maximum load at 65 psi. The tire also features an excellent speed rating of 81 mph. via

What is a correct tire pressure?

Most passenger cars will recommend 32 psi to 35 psi in the tires when they're cold. The reason you check tire pressure when they're cold is that as tires roll along the road, friction between them and the road generates heat, increasing both the temperature and the air pressure. via

What does the ST185 80R13 mean?

Loadstar ST185/80D13 Bias Trailer Tire # AM3S331 is a bias ply construction whereas the 185/80R13 you have is a radial tire construction. The difference is how the plies run inside the tire. You would want to keep the construction type the same on the trailer for best performance and even tire wear. via

What does p185 80R13 mean?

This number indicates that your tire has a width of 185 millimeters. 80. This number means that your tire has an aspect ratio of 80%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 80% of the width. via

How tall is a 155 80R13 tire?

155/80R13 tires have a diameter of 22.8", a section width of 6.1", and a wheel diameter of 13". The circumference is 71.5" and they have 886 revolutions per mile. Generally they are approved to be mounted on 4-5" wide wheels. via

What is Load Range C?

Therefore, load range simply defines the tire's toughness and maximum allowable air pressure, as opposed to specific information about the actual plies being used. For example, a "C" load range indicates that a tire is equivalent to a 6-ply construction tire. via

What PSI should I run in Load Range E tires?

Maximum Load

LT-Metric and Flotation Light Truck Tires
Load Range Abbreviated Max Load Pressure ≤ 295mm / 11.5" wide
Load Range D (LRD) 65 psi (450 kPa)***
Load Range E (LRE) 80 psi (550 kPa)***
Load Range F (LRF) 95 psi (650 kPa)***


Should I add air to my tires when towing?

For towing, tires should be inflated to the max cold pressure listed on the sidewall of the tire. Even if you're only towing half the weight your vehicle/tires are able to handle, half the max cold PSI DOES NOT support half of that maximum load, there's a steep drop off of load carrying capability compared to pressure. via

Is 90 PSI too high for tires?

This is the psi rating that the manufacturer has tested and approved to be safe with the weight rating that is listed on the tire. The psi will actually increase some during travel due to heat build up but the manufacturer has already accounted for this. The 90 psi rating is actually normal for that size tire. via

Can I use 185 tires instead of 175?

All of these sizes fit the stock wheel and work OK for street use. The 185/65-15 tire size is taller on the sidewall and likely to give a slightly softer ride vs the same tire in 175/65-15. via

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