Recommended Spare 205/75-14 Spare Wheel/Tire for Boat Trailer  

Based on my research on the Karavan Trailer website most of their snowmobile trailers such as their Ultra-101-12-WB use hubs with a 5-on-4-1/2-inch bolt pattern. The supplied wheels are 14-inch and are fitted with an ST205/75D14-inch tire, which is…

The Extra Offset Trailer Spare Tire Carrier by Dutton-Lainson part #DL22145 comes with the hardware needed to attach the carrier to the frame as well as the tire to the carrier. The included bolts are grade 5.

The highest ply rating tire we have for a 13 inch wheel is 8 and is the Loadstar Tire ST185/80D13 part #AM1ST79 which has a weight capacity of 1,710 lbs at 65 psi. More important than ply rating is making sure the tire has enough weight capacity…

The same dynamics for passenger tires are not applicable for trailer's. Therefore, I do not recommend using a smaller tire on your trailer as a spare. The spare tire on a vehicle is mainly designed to get you to the nearest repair station.…

There are several advantages to having a radial tire over a bias ply tire. Radial tires track better and offer more contact with the ground. More ground contact improves traction and will provide better tread wear. Radial tires are also have more…

You will always want the tire size, load range, and construction, to match on your trailer. Using tires that are different can lead to more of a load being put on the smaller size tire/tires and cause tire problems to occur. In your case the tire…

The Kodiak Disc Brake Kit - 10" Rotor - 5 on 4-1/2 - Stainless Steel - 3,500 lbs #K2R35S will require upgrading your wheels to 14 inch. You can then use the Karrier ST205/75R14 Radial Trailer Tire with 14" Galvanized Wheel - 5 on 4-1/2 -…

Typically we recommend the use of the same tire size when picking out a spare tire for a trailer, but since the overall tire diameter difference between the two tire sizes you listed is only .3 of an inch you would be fine for just getting the…

I attached two pictures that show how to determine the bolt pattern of a trailer wheel for you to check out plus a link to the page that covers more info on bolt patterns as well.

Due to the amount of weight you will be carrying of the seaplane I am going to base all my recommendations off a trailer that will be close to 1,000lbs. This would put the total weight of the seaplane(6,000lbs) and trailer at 7,000lbs maximum. I…

To ensure proper compatibility I would go with the same size tire and rim that you currently have on your boat trailer. If you have a ST205/75R14 now then the Karrier ST205/75R14 Radial Trailer Tire with 14 inch Galvanized Wheel #AM32156 should work…

The Karrier ST205/75R14 Radial Trailer Tire part #AM10234 or part #AM32156 with galvanized wheel has a load range C rating which is suitable for use up to 1,925 lbs. If you take this number and multiple it by the number of tires you should get about…