Recommended Leaf Springs and U-Bolt Kit for New Trailer Axle


upgrading my 4x8 trailer to this axle. what is the recommended leaf spring for this? I am also getting the u bolt kit and mounts to have the springs above the axle. thanks !


Expert Reply:

The Dexter Idler Trailer Axle w/ Hubs # 20545I-EZ-60-10 referenced in your question is a 2,200 pound axle.

In order to choose the correct size leaf springs, I recommend measuing the length of your existing/previous set. For example, the 3-Leaf Double-Eye Spring # SP-219275 has a length of 25-1/8 inches from the center of spring eye to the center of spring eye. You will want to get as close as you can to the length of your previous leaf springs, keeping in mind that they may have stretched a bit over time.

I have attached a link that will take you to our avaialble selection of leaf springs that you can look through.

For a standard U-Bolt Kit that will work well, I recommend the Redline U-Bolt Kit # APUBR-10. This includes (4) 4-1/4 inch long U-bolts, (2) U-bolt plates and (8) 3/8"-24 hex nuts. We do not currently have an Over-Under Conversion kit available for the above sized axle.

expert reply by:
Chris R

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