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Troubleshooting U-Bolt Kit for Unique Trailer Axle and Leaf Spring Combination

Question:

Im looking for the U-Bolt Plate for a 2 3/8inch Diameter Axle with 3inch Wide Springs and 1/2-13 U-Bolt Thread about 6inch High. Do you have anything like this. I can probably use the U-Bolts from the APUBR-1 Kit, but the width is too narrow and I would like a little more length on the U-Bolt for the 3inch wide trailer springs I have.

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Expert Reply:

For the plate and U-bolt for the dimensions you gave, you simply need the U-Bolt Kit for Mounting 5,200-lb to 7,000-lb, Round Trailer Axles - 7" Long U-Bolts # APUBR-8. This will give you the plates and the length of U-bolts you need. The issue is your axle diameter won't be a fit so you would need to fabricate something for stability.

Instead I recommend you either change your leaf springs because 3 inches wide is not standard for trailer applications, or you can use the Dexter Trailer Springs Over-Under Conversion Kit # K71-384-00 which will fit your axle and will relocate your leaf springs on top of your axle. The U-bolts in this kit will only be 5-1/8 inches long so unless you want to flip your axles this won't solve your issue. I'm assuming you have a block or something to raise your trailer frame to need that extra length U-bolt. Let me know if I can help further, but we don't have a U-Bolt that will fit both your 2-3/8 inch axle and 3 inch wide leaf springs properly. You would need a special stepped bolt for that application.

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Jason S

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