Do Timbren Axle-Less Trailer Suspension Systems Require A Frame Support

Question

Question:

I have a travel trailer and we all know how cheaply they are built. My frame has cracks from its original tandem axles. Wont the timbren Axle system crack my frame even worst, being independently mounted without braces that extend all the way across to the other frame to support as does a full axle system does with its axle tube?

asked by: John W

0

Expert Reply:

Timbren has stipulations in place that state if you install the Timbren Axle-Less Trailer Suspension w/ Idler Hubs # A20RS545 in an area where there isn't a crossmember in frame that you'll need to install a 2" x 2" steel tube in the slot I have pictured below to help support the frame. Without a crossmember in the frame or a tube installed in these slots you would be placing more stress on the frame and could damage it further.

expert reply by: Kevin C

0

Frame support tube opening
(click to enlarge)

Answer 1

Off road tires tend to have a more aggressive tread pattern and can be wider/taller. Generally speaking most all trailer tires are regular tires. There are some turf tires and off road tires out there that would fall into this category but if you are…

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Answer 2

I attached two pictures to this page that have dimensions that you can use to determine if the Timbren Axle Less Kit part #A20RS545 will be able to fit and clear the deck. When this kit is installed on a trailer the wheel center will be 2-5/8 inches…

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Answer 3

Our largest wheel and tire we carry I recommend using for the Timbren Axle-Less Trailer Suspension #A20RS545 is the Karrier ST205/75R15 Radial Trailer Tire with 15" Aluminum Wheel #KE27JR. This is our largest wheel diameter with the 5 on…

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Answer 4

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 5

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 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

You can add larger wheels and tires to a trailer as long as you have enough room for the larger size. The main clearance issues we find when putting larger tires and wheels on a trailer is from the top of the tire to the fender and from the inside…

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Answer 8

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 9

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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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

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 12

Depending on how the trailer was made, there will be a few spots you can check to identify the axle. First, if the trailer was pre-made by a specific company, you may be able to find this information in either the paperwork or on a placard somewhere…

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Do Timbren Axle-Less Trailer Suspension Systems Require A Frame Support

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