Can Timbren Axle-Less Suspension be Used on a Triple Axle Trailer

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Question:

Looking over some of the info. Can you tell me why part # ASR5200S01 is not recommended for a triple axle unit?

asked by: Dean K

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Expert Reply:

I spoke with the engineers over at Timbren. The reason that they do not recommend the axle-less suspension systems, such as # ASR5200S01, for triple axle applications is because there is no equalization between what would be the axles of the trailer. Without that a trailer that is not fully level would put to much stress and/or weight on the other sets.

The engineer said that they have done it before and it can be done but unless the trailer is always fully level, when loaded or not, it is not recommended and should not be done.

expert reply by: Michael H

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Answer 1

You will want to use an equalizer on your trailer if you go to a tandem axle setup. You wouldn't be able to install the axles closer together by not running one anyway. You would have to run two sets of single axle hangers. Which when you put the…

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Answer 2

If your trailer has torsion axles, no worries but it it's a leaf spring suspension you really should have equalizers. Without the equalizer, the trailer will have a rougher ride and the weight won't be balanced across both axles when going…

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Answer 3

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 4

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 5

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 6

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 7

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 8

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 9

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 10

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 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

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…

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Can Timbren Axle-Less Suspension be Used on a Triple Axle Trailer

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