How Much Height is Gained Using a Dexter Over-Under Conversion Kit

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Question:

How far will the deck raise with this kit ?

asked by: Chuck

0

Expert Reply:

When using an over/under conversion kit such as # K71-384-00 to add ground clearance to a trailer the amount of height gained will the diameter of the axle plus the thickness of the leaf spring stack at the axle.

So for example if your axle is 2-3/8 inches in diameter and the leaf spring stack is 1 inch thick then you should get approximately 3-3/8 inches of additional height.

If you need more height than the combined height of he axle and leaf spring stack then the only other option is to remove the suspension hangers on the trailer and have new, taller ones welded on by a qualified professional welder.

expert reply by: Michael H

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Answer 1

Hey Scott, so the braking and hub components of a Dexter 3,500 lb axle made in 1999 would be the same as what's currently used so those components would transfer over. So a bare axle like the part #T3584F-EZ-8974 would work for you but…

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Answer 2

I may have an option for you, but we do not have a breakdown of which axle your 2019 Forest River Rockwood Geo Pro 15TB Travel trailer uses so you will need to measure the axle, and determine its rating. Starting with measuring the axle you will need…

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Answer 3

If only the axle is bent then you can go with just a new axle and reuse all of the other components like the hubs, bearings, brake assemblies, etc. To pick out the correct replacement axle you will need to get the hub face to hub face dimension of…

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Answer 4

The Dexter Trailer Springs Over-Under Conversion Kit #K71-384-00 that you referenced is designed for 2-3/8 inch diameter axles which is normally used on 3,500 lb axles. You most likely have a smaller axle diameter than this like either 1-1/2 inch or…

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Answer 5

While a 2-inch block would provide additional trailer height, I cannot recommend doing so because it will result in less suspension travel or deflection. Changing the height of a trailer can affect the center of gravity and cause the trailer to have…

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Answer 6

The # K71-384-00 is indeed compatible with a 2-3/8 inch axle. The new spring seats don't necessarily need to be completely welded in place, but I'd recommend tacking them, at least. The existing spring seats would be on the wrong side of the…

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Answer 7

Your trailer should have an ID tag on the trailer tongue that lists the VIN as well as the GVWR (Gross Vehicle Weight Rating) which is the maximum the trailer plus its cargo can weigh. If the trailer doesn't list the GVWR on the ID tag, or if…

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Answer 8

Wow, your truck must have quite a lift and the trailer coupler height must be super-low! 4 inches of ground clearance under the hitch ball isn't sufficient. There are things you can do with the suspension on the trailer to raise its height. If…

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Answer 9

It does sound like you have isolated the issue indirectly. If you can move everything manually without issue, then the screws in the legs are fine. The gearbox works fine under manual load, so gears are fine, and motor seems to work fine, so the…

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Answer 10

To convert your axle for a top mounted leaf spring I would recommend replacing the U bolts, nuts and tie plates, so your best bet would be to go with a U bolt kit. For a 2-3/8" round axle use #APUBR-1 For a 3" round axle use #APUBR-9 You…

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Answer 11

The sure way to pick out replacement landing gear for a trailer that will bolt right up to the current brackets is to measure the distance between the mounting brackets (underside of top bracket to top of lower bracket as shown in the diagram) if it…

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Answer 12

The Dexter Trailer Springs Over-Under Conversion Kit part #K71-384-00 can be used in single, double and triple axle trailers. The kit comes with what you need to convert one axle. For a triple axle trailer you will need three of part #K71-384-00.

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How Much Height is Gained Using a Dexter Over-Under Conversion Kit

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