Difference Between a ST175/80D13 and a ST175/80R13 Trailer Tire  

The D in 175/80D-13 indicates that it is a bias ply tire where as the R in 175/80r-13 indicates that it is a radial tire. The difference is how the steel belts inside are oriented. Bias ply tires are generally better in off road types of…

I have a great solution for you. The Taskmaster ST175/80R13 Radial Trailer Tire, part #TTWTRTM1758013C is rated for up to 87 mph as it has an M speed rating. Most trailer tires are only rated for 65 mph so this is a great option for you. Be sure to…

Radial tires are generally preferred over bias ply tires. A radial tire flexes more than a bias tire, giving it better ground contact, traction, stability, and tread wear. A radial tire will normally run cooler than a bias ply tire, especially when…

The Kenda 175/80-13 size tire you asked about, part #AM10210, actually has a maximum speed rating of 81 mph. Traditionally pretty much all trailer tires had a max rating of 65 mph but recently that's changing. Tire manufacturers have been…

The speed rating on all special trailer tires (ST) is 65 miles per hour. It is not recommended to run a trailer tire at a higher speed than 65 miles per hour due to the heat buildup that will occur inside the tire and cause the tire to break down…

The R-Pod Hood River Edition came with ST235/75R15 tires and the closest thing we have is the 225/75R15 tires which will use the same wheels and have the same pilot diameter of 3.19 inches. The Trailer Wheel Center Cap, Stainless Steel, 3.19"…

The B78-13 tires you mention convert to metric size 175/80-13. The 175/80-13 tires are available in three load ratings. B: 1100 lb at 35 psi C: 1360 lb at 50 psi D: 1610 lb at 65 psi You would choose the load rating based on the capacity of your…

A ST205/75R14 sized wheel and tire like the part #TA82MR will eat up about an inch of vertical fender clearance and will be 30 mm wider than your current setup. It sounds like you have plenty of clearance though and this wouldn't be an issue.…

It is always recommended that you use the original tire and wheel size that came on your camper but I have calculated the size differences between the two tires. Your current wheel/tire combination, ST185/80D13, has an approximate width of 7.28…

To figure out what Bearing Buddy you need for your 2021 Shoreland'r boat trailer you'll need to measure the diameter of your hub's bore hole (pictured below). Once you have that measure we can find the correct fitting Bearing Buddy. For…

I can help you determine what wheel stud can replace your broken one. I've linked an image of the two styles of wheel studs you could have, Drive in or screw in, along with the dimensions you will need to determine which replacement would be good…

The Kodiak Disc Brake Kit part #K2HR35DS will work to replace a UFP DB-35 Hub/Rotor if you change out the seal to the Double Lip Seal for 3,700-lb Marine Hubs part #168255TB. The races won't be an issue since they are specific to the hub.