Over/Under Kit For Big Tex Trailer With 3,500 lb Axles

Question

Question:

Hi, Im looking at your dexter over/under leaf spring conversion kit and wanted to check compatibility for the correct product. Could you point me in the right direction please? Big Tex 70DM double axle car hauler. Thank you!

asked by: Mike

1

Helpful Expert Reply:

It looks like your Big Tex double axle trailer has a pair of 3,500 lb axles, so the correct over/under kit for you is the following:

- Dexter Trailer Springs Over-Under Conversion Kit # K71-384-00

This is for 2-3/8" diameter axles, which are the diameter of 3,500 lb axles, which is why it's the right fit for your Big Tex trailer.

expert reply by: Kyle S

1

Answer 1

The correct Dexter Trailer Springs Over-Under Conversion Kit for a Big Tex 35ES Single Axle Utility Trailer with Dexter 3,500 Lb Trailer Axle is part #K71-384-00.

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Answer 2

You mentioned your axle diameter being 2.42 inches which is pretty close to 2-3/8 inches so you could use the Over-Under kit part #K71-384-00 potentially if you can remeasure and confirm that's what your axle diameter is. Or you could use the…

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Answer 3

According to Blue Ox, it'll take an experienced installer about 4 to 5 hours to complete the installation of their #BX1128 Base Plate Kit on a 2016 Jeep Grand Cherokee. The install isn't what I'd call super-difficult, but the installation…

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Answer 4

The OEM prep package consists of 4 "pucks" in the bed of the truck that will allow you to drop in puck style hitches for easy installation and removal, that gives you a completely clear bed when not in use. The B&W Companion OEM 5th…

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Answer 5

You will have to go with a sliding hitch to allow the trailer to make tight turns. For a trailer 8 feet wide the only bed length that's going to allow 90 degree turns without a slider is a stationary hitch. That being said you have two options.…

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Answer 6

We have lift kits for trailer that easily add 2 inches to the height of the trailer. For that you'd want the part #RR23QX and you'd be set. I attached a picture that shows how it installs to give you an idea. This would be the easiest…

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Answer 7

Hey Doug! The Firestone Ride-Rite Air Helper Springs #F35FV are the right kit for your 2026 Ford F-350 FX4 dually. However, you will need to measure to be sure it fits. The distance from the top of your rear axle to the top of the jounce bump stop…

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Over/Under Kit For Big Tex Trailer With 3,500 lb Axles

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