What is the standard RV tire size?

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

Older Size Tire Size Overall Diameter
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
6.90/6.00-9 21.1 inches

What size are tent trailer tires?

The modern day size for a 20.5 x 8 x 10 sized tire is 205/65-10. Based on this information, I recommend The Kenda Loadstar Bias Trailer Tire Item # AM1HP56. It is a top-quality bias tire that is great for all terrains and provides a smooth ride.

Can I put bigger tires on my camper?

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.

Can you put 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.

How do I know what size wheel I need for my trailer?

If the trailer has no wheels, or you think the ones that are on it are incorrect, measure the bolt circle (the distance between the center of the hub and the center of one bolt multiplied by 2) and the inner wheel well carefully to determine the overall size it can accommodate when you include tires, and check to see …

How often should you replace pop-up camper tires?

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 …

What PSI should pop-up camper tires be?

Trailer tires should always be inflated to their maximum psi (90 psi in your case) with the tires cold. They’re designed to heat up while driving but they will heat up more than designed if they are not inflated to the maximum psi.

Can you use car 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.

Why are trailer tires so small?

They’re designed for trailer wheels, typically narrower than those on a car, and have shallower treads so they wiggle less to help improve your tow vehicle’s fuel economy and run cooler.

Can a spare trailer tire be smaller?

Expert Reply: In a pinch you can use the smaller size tire as a spare. But you would want to get to a tire shop and have the regular tire repaired or replaced as soon as possible because otherwise you can end up with uneven tire wear and a lower load capacity.

What does ST205 75r15 mean?

On a trailer tire labeled ST205/75D15 C, the ST stands for Special Trailer which means it is designed for use on boat and utility trailers. The 205 is the section width of the tire in millimeters. The 75 is the aspect ratio (or section height). It means the section height of the tire is 75% of the 205 mm section width.