Replacement Spindle for 7,000 lbs Axle  

If you take a look at the provided photo, you can see the important dimensions of the #TRU37FR spindle.

I can tell you how to determine the correct spindle based on your measurements, and what you will need is a digital caliper, though the first thing you need to know is the weight rating of your trailer axle. From there, what you need to do is measure…

In order to pick out the correct bearing buddy you will need know the pilot hole of your hub. To do this, remove the wheel and tire and remove the grease cap from the center of the hub. Usually it is a metal cap that is just lightly hammered into…

Even though you do not have EZ lube axles you will be able to add EZ lube hubs and drums, however, you will not have the EZ lube feature on his axles by installing the EZ lube hub and drums. For you to be able to easily pack grease into your hubs and…

You can use Bearing Buddies such as #BB1980A-SS on your trailer with brakes you just need to make sure you don't overfill them because if grease gets on brake pads the pads will need to be replaced. So as long as you are sure you aren't using…

The hub you will need for the #42 Spindle, item #TRU57FR, is the Trailer Hub Assembly - 5,200 & 6,000 lbs Axles - 6 on 5-1/2, item #42655UC1.

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.

Trailer wheel bearings are specific to the spindle that is installed on the axle that is on your trailer. You will need to safely support the trailer, remove the wheel and tire, remove the grease cap, remove the cotter pin and washer that secures the…

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…

The 5.30-12 tires, being wider, are going to make more contact with the road. This means that the noise, and heat build up will be higher than a 4.80-12 tire but the rolling resistance will actually be less because the tire is larger diameter. The…

To determine the size of the brake assemblies you need you have to measure the depth and width of the hub drum on the axle like what you see in the picture I attached. The most common size is 2-1/4 inch wide like the #T4071600-500 that you…

Since both a ST145/R12 size tire, like the Kenda Karrier S-Trail #AM10130, and a 5.30-12 size tire, like the Kenda K353 #AM10068, fit a 12 inch wheel, a ST145/R12 size tire can replace a 5.30-12 size tire. Keep in mind that these tires do have…