Heavy-Duty Axle Options From etrailer.com

Question

Question:

Hello, Im just wanting to find out how I order an axle with a particular width and spring location. What is the heaviest axle you offer without going to a dual-wheel setup? Thanks,

asked by: Derek L

0

Expert Reply:

Thanks for reaching out!

The heaviest axles we carry here at etrailer have a 7K weight rating (as of December 2022). Our standard axles have fixed hub-face and spring-center dimensions but we also carry the Timbren Axle-Less System # TASR7KS01 that installs directly to the trailer frame so it can fit virtually any spring-center dimension since it uses it's own suspension system.

I've attached a few videos of the Timbren system as well as a link to our selection of 7K axles and a video of how to measure for hub-face and spring-center dimensions for you to check out. If we don't have anything that matches what you measured then you need the Timbren kit or you'll have to order custom axle dimensions from your local RV or trailer shop.

expert reply by: Jon G

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Answer 1

I do have some options for you but we don't carry dually axles nor do they offer these in a 7,000 lb weight capacity. The dually axles are typically between 10,000 - 15,000 lbs. If you're however okay with just tandem 7,000 lb axles then we…

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Answer 2

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.

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Answer 3

Thank you for providing the specs for the suspension components that you already have. Correct hanger spacing really depends on the components being used such as springs, hangers and equalizers. Most of the hanger spacing dimensions that we have are…

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Answer 4

For a single axle trailer, you want the shackle strap to be able to move so that you have the spring deflection needed for your suspension. Angled like the photo or even almost vertical is fine you just don't want the shackle strap to bind and…

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Answer 5

To find the load capacity for your axle you should look on the trailer VIN plate or sticker that lists the VIN number. The weight rating of the axle should be listed on that same plate or sticker. Also, the axle could have a tag or plate on it that…

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Answer 6

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…

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Answer 7

I have attached for you below some common torque values needed for a trailer suspension system but a lot of these will vary by bolt size and other factors. U-Bolts: Varies by Size - 1/2" bolts: 45 ft/lbs - 70 ft/lbs, 9/16" bolts: 65 ft/lbs…

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Answer 8

To determine the size of the hub assembly you need to purchase you have to determine which bearings are in the old assembly. If the old assembly has L44649 inner bearings, you would use the hub you chose #8-258-5UC1. If the inner bearings are marked…

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Answer 9

To correctly measure a leaf spring, you'll want to jack the trailer up on jack stands so the axle is hanging freely, then measure directly across from the center of one spring eye to the other, as shown in the provided diagram. The height of the…

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Answer 10

The two sizes you mentioned are pretty similar and fit many of the same 15 inch wheels. The 205/75-15 fits rim widths of 5 inch to 6-1/2 inch whereas the 225/75-15 fits widths that are 5 inch to 6 inch. The 205 is 27.1 inches tall and the 225 is 28.4…

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Answer 11

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…

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Answer 12

A BT8 spindle would have a diameter of .99 of an inch where the bearings would both install and would have a diameter of 1.24 where the great seal would ride. That would require a hub part #AKIHUB-440-2-1K for an idler hub. A BTR spindle would have…

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