Timbren Axle-Less System vs. Torsion Axles for a Sail Boat Trailer

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Question:

I have been using torsion axles on boat trailers for years but am building another small sail boat trailer and considering using the Timbren system so I can get the load as low as possible for easier launching. How well does the Timbren hold up vs a Torsion axle It seems like a better deal considering the bumper/air spring can be replaced etc? your input is genuinely appreciated Thank you

asked by: Kerry S

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Expert Reply:

I recommend the Timbren Axle-Less Suspension System # ASR2000S01 over a torsion axle for your trailer for a few reasons. First, the Timbren System increases ground clearance without increasing your trailer height. The Timbren System is also easier to replace as you can replace one spring at a time. They also operate independently of one another to minimize bounce for a smoother ride compared to the torsion axle system.

An E-Z lube spindle is included with the system, but a Trailer Hub assembly will be needed.

For a Hub, I recommend the etrailer Idler Hub Assembly for 2,000 E-Z Lube Axles # AKIHUB-440-2-EZ-2K. This will work with 4 on 4 bolt wheels. If you have 5 on 4-1/2 bolt wheels you will need the Trailer Idler Hub Assembly for 2,000 E-Z Lube Axles # AKIHUB-545-2-EZ-2K.

I attached installation instructions for the Timbren Suspension System and I attached a help article for how to figure out the bolt pattern of your wheels.

expert reply by: Sarah H

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Answer 1

The closest standard axle we have available to the dimensions that you mentioned is the CE Smith Trailer Axle Beam #CE33201GA. This galvanized trailer axle has a spring center measurement of 46-1/2 inches and a hub face measurement of 57-1/2…

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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

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 7

Since Grand Design is kind enough to list certain parts for their trailers I can confirm you have a 33" wheelbase on your 2020 Grand Design Transcend 27BHS. This means the MORryde Rubber Equalizers #MR87ZR will fit your trailer. Although I'm…

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Timbren Axle-Less System vs. Torsion Axles for a Sail Boat Trailer

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