Parts Needed to Change Trailer Suspension from Underslung to Overslung

Question

Question:

I recently built a large deck over flatbeb/ dump trailer out of an old tandom axel travel trailer chassis. I added in 2x6 tubing and remounted the equalizers, but there still is very little room between the top of the tires and the bottom of the deck on the trailer. Currently, the leafsprings and axels are under-slung. Can I change these to over-slung to give some more clearance? If so what part/ conversation kit do I need?

asked by: Christian

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Expert Reply:

Yes! We have exactly what you need to move your axles so that they are under your leaf springs.

If you have 2-3/8" diameter axles use part # K71-384-00 or you can use part # K71-385-00 for 3" diameter axles. These will raise your trailer equivalent to the diameter of your axle plus the height of the leaf spring stack.

expert reply by: Jon G

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Answer 1

It sounds like you are speaking of the wires for the brake magnets. If this is correct, you will need to connect one of the wires to the brake controller output wire on your trailer connector and the other wire will need to be grounded to a clean…

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Answer 2

I do have all of the components you will need to flip the axle on your tent trailer but there is not an all inclusive kit per se to do so. However, the kits are pretty basic as all they include are u-bolts, tie plates, and spring seats. For your…

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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

Hey Kevin! I didn't see an order yet but it sounds like you already got some shocks based on your 2nd question. I went ahead and added it below your 1st question above. If you still need shocks you can use the Roadmaster Comfort Ride Shock…

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Answer 5

You can use leaf springs that are rated higher than the axle without any issues as long as they measure the correct measurement for your trailer. For example the 6-leaf double eye spring for 7,000 lb axles part #e64SR measures 24-7/8" eye to…

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Answer 6

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 7

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 8

There is no exact way to determine the leaf spring length. The best way to determine the length for a replacement is by measuring the existing leaf springs. The hanger distance and shackle length can help you get a good idea, but you're looking…

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Answer 9

Hey Thomas, the most important factors for picking out a replacement leaf spring for a trailer are matching axle capacity and length. Getting the same amount of leaves in the spring pack is actually not a huge priority so I wouldn't worry too…

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Answer 10

Increasing the tire and wheel size can increase the height of the trailer but it's usually quite minimal. Before you do anything else you should see if the pin box can be adjusted. Although you have to be careful here since This will lower the…

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Answer 11

First off by moving to heavier leaf springs you will cause the trailer to want to bounce more which could cause another set of issues. To ensure the length of the springs are correct I can use the information off the axle tag located on the center of…

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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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Parts Needed to Change Trailer Suspension from Underslung to Overslung

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