Replacement Slipper Spring Recommendation to Replace 31 inch Long Spring

Question

Question:

I have a 1980 Cox, 3 rail motorcycle trailer that has been converted into a flatbed. The springs appear to be replacements are 31inch long, and contain 6 leaves on a 1 1/8inch axle. The ride is stiff and the trailer bounces. I want to replace for a smoother ride while hauling a 900 lbs Harley Davidson.

asked by: Steve

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Expert Reply:

For a slipper spring that would work well for your application you would want the part # e29SR. This is a 2k rated spring that is 30-1/4 inches long. This should be a much softer spring than what you have as it looks like your spring would be a higher capacity than this one.

expert reply by: Jameson C

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Answer 1

The closest leaf springs we have to what you're describing is part #e29SR. these are 30 inches from the center of the eye to the very end of the slipper end. One thing to keep in mind is your springs are going to be longer than they were when…

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Answer 2

Hi Paul, you’re definitely on the right track here, and I can help you narrow this down with confidence. With your tandem 3,500 lb Dexter axles and 33 inch spacing, both the Dexter EZ Flex part #K71-652-00 and the Lippert Road Armor part #LC53CK are…

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Answer 3

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 4

Hi Calvin! All of the pre-greased hubs/drums, like the Terran Industries Trailer Hub and Drum Assembly - 3.5K Axles - 10" Diameter - 5 on 4-1/2 #TX68VJ, come with bearings made overseas and are all basically the same quality. At least that I…

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Answer 5

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 6

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 7

Hey Jerry, thanks for reaching out! For your single-axle, 3,500-lb boat trailer, I recommend the 25-1/4" Double-Eye Leaf Spring #TX58RJ. This is one of the most common spring lengths for a 3,500-lb axle and looks like a good match for your…

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Answer 8

Hi Chas, The Lippert Road Armor Shock Absorbing Equalizer part #LC53CK may work for your trailer, but that will depend on what equalizer is currently on your trailer. In order to determine what equalizers would be a fit for your trailer, we'll…

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Answer 9

Hey Eric. Axle spacing isn't the best way to determine what replacement equalizers you need. The most accurate way to find a replacement is to match up a replacing equalizer as close as possible to the dimensions of the one currently on your…

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Answer 10

Since you mentioned that you broke a leaf spring and not the axle, in order to determine which replacement leaf springs you'll need for your 2017 Keystone Bullet Premier Ultra Lite Travel Trailer you will need to measure your current springs from…

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Answer 11

Hey Jason, it's pretty common for replacement leaf springs to be slightly shorter than what they replace as springs tend to stretch/flatten overtime as they wear out so while you are on the right track 3/4 of an inch is a bit too much of a…

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Answer 12

As long as the weight capacity is inline with your trailer/axle rating and the measurements match your current springs, the number of leaves in a spring pack does not matter. The difference between a 3 and 4 leaf spring pack within the same weight…

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Replacement Slipper Spring Recommendation to Replace 31 inch Long Spring

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