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In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

The difference between an load range C and load range D tire in the same size is the capacity and psi rating. The two tires will still have the same dimensions and fit on the same wheel. The D rated tire has a higher capacity. For a ST175/80D13 like…

...80-12 tire will be 20.5 inches in diameter whereas a 5.30-12 tire will be 21.9 inches. You would need to make sure that the is more than 3/4 of an inch above the 4.80-12 tire to be able to use a 5.30-12...

...1/4 of an inch closer. It shouldn't be a problem but it is always best practice to double check clearances. Review videos on both tires that I mentioned have been linked for you to reference....

...The tires I purchase will be used for a boat trailer with 8inch X 3 3/4inch wheel rims...

...inch. The 205 is 27.1 inches tall and the 225 is 28.4 inches tall. The 225 has higher capacities available for it as well. Generally people go to the bigger size when they need more capacity than...

The three most common lug stud sizes for a trailer are 1/2"-20, 9/16"-18, and 5/8"-18. In order to make sure you get the correct lug nuts you need to measure the lug studs on the trailer now as we have no way to look this up for…

Your math is correct in your trailer weight load example. If a fully-loaded tandem axle trailer weighs 4000-lbs then each of the 4 tires will bear 1/4th of that load, or 1000-lbs. In this case a tire rated for 1300-lbs would provide a good safety…

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

Hey Brian, The Goodyear Endurance ST205/75R14 Radial Tire w/ 14" Liger Aluminum Wheel #LH55VR does not come balanced (none of our 205/75-14 combos come balanced...or the vast majority of the other combos for that matter), but you can either have…

Tire designations ST205/75D14 and ST205/75R14 are both for special trailer tires with a 205mm width, 75-percent aspect ratio and that fit a 14-inch wheel. The difference between them is the tire's type of construction. The ST205/75D14 tire is a…

Karrier and Loadstar are two different brand names used by Kenda. There's no difference in quality or function between the two brand names. For a ST175/80-13 Radial trailer tire in load range D, I'd recommend part #AM10210 if you're…

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

The difference between an load range C and load range D tire in the same size is the capacity and psi rating. The two tires will still have the same dimensions and fit on the same wheel. The D rated tire has a higher capacity. For a ST175/80D13 like…

...80-12 tire will be 20.5 inches in diameter whereas a 5.30-12 tire will be 21.9 inches. You would need to make sure that the is more than 3/4 of an inch above the 4.80-12 tire to be able to use a 5.30-12...

...1/4 of an inch closer. It shouldn't be a problem but it is always best practice to double check clearances. Review videos on both tires that I mentioned have been linked for you to reference....

...The tires I purchase will be used for a boat trailer with 8inch X 3 3/4inch wheel rims...

...inch. The 205 is 27.1 inches tall and the 225 is 28.4 inches tall. The 225 has higher capacities available for it as well. Generally people go to the bigger size when they need more capacity than...

The three most common lug stud sizes for a trailer are 1/2"-20, 9/16"-18, and 5/8"-18. In order to make sure you get the correct lug nuts you need to measure the lug studs on the trailer now as we have no way to look this up for…

Your math is correct in your trailer weight load example. If a fully-loaded tandem axle trailer weighs 4000-lbs then each of the 4 tires will bear 1/4th of that load, or 1000-lbs. In this case a tire rated for 1300-lbs would provide a good safety…

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

Hey Brian, The Goodyear Endurance ST205/75R14 Radial Tire w/ 14" Liger Aluminum Wheel #LH55VR does not come balanced (none of our 205/75-14 combos come balanced...or the vast majority of the other combos for that matter), but you can either have…

Tire designations ST205/75D14 and ST205/75R14 are both for special trailer tires with a 205mm width, 75-percent aspect ratio and that fit a 14-inch wheel. The difference between them is the tire's type of construction. The ST205/75D14 tire is a…

Karrier and Loadstar are two different brand names used by Kenda. There's no difference in quality or function between the two brand names. For a ST175/80-13 Radial trailer tire in load range D, I'd recommend part #AM10210 if you're…