Can 4,000 lb Leaf Springs Be Used with 3,500 lb Trailer Axle

Question

Question:

I see that Dexter 4000 lb 2-eye springs will fit a Dexter 3500 lb idler axle. Will this help with hauling cargo at the 1700 load capcity? I just want to know I am being prudent and safe. I am hauling two HD motorcycles and have about 1600 weight. I DONT WANT BRAKES! THANKS!

asked by: Andy L

1

Helpful Expert Reply:

Dexter 4,000 lb axle leaf springs like the part # e48SR for 26 inches long or part # e57SR for 25-1/4 inch would work great with a 3,500 lb axle. There would be no issue with 1,700 lbs of weight either.

expert reply by: Jameson C

1

Answer 1

Hello James, thanks for reaching out. I am sorry to tell you that we do not offer a direct replacement for the Dexter 072-099-01 leaf spring. The closest thing we have is the Dexter 4-Leaf Double-Eye Spring for 3,500-lb Trailer Axles #DX23CR which is…

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Answer 2

Definitely looks like the springs are being overloaded and need to be replaced. You can use higher rated leaf springs but, the higher you go the stiffer the ride will be. Since we know the weight class with your axles the next step would be to…

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Answer 3

Hey Alex, I don't have a way to know exactly what leaf spring your NV19 trailer has/needs but there's a pretty good chance the part #e34SR is correct. 25-1/4 inch length is a very common length but so is 26 inch like the part #e94SR so you…

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Answer 4

Hey Addison, the trailer hitch replacement leaf springs part #e44SR does not come with u-bolts. We have U-bolt kits that would work though like with the part #APUBR-9.

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Answer 5

You'll need to determine three things in order to determine what the correct replacement leaf spring you need for your trailer. • Is it a Double Eye or a Slipper Spring? • What's the Length of the Spring? • What's the axle capacity?…

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Answer 6

Hi Todd, To go with trailer leaf springs that are slightly stiffer than the 4,400 lb rating of your axle you can go with 4,500 lb springs or 5,000 lb springs. The right one is going to depend on the length of your current springs though, as…

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Answer 7

Hey Kevin thanks for your question. There is not much downside to going with the 5,000 lb springs instead of the 3,500 lb. A higher rated spring may make the ride a bit more "chunky" at times, since the spring would not flex as easily.…

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Answer 8

It's okay to replace leaf springs with ones rated for more weight and pretty common to do so but keep in mind, the higher you go the rougher the ride will be. If you have a utility trailer then I'd probably opt for the higher rated 5,000 lb…

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Answer 9

Hello Mark, thanks for reaching out. When replacing leaf springs, it is important the new springs are identical in length to the old ones. There is a small amount of tolerance, like 1/2" or less, but any more than this can throw the suspension…

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Answer 10

The exact bolt replacement you need is the part #LC126197 which is the correct length and diameter plus has the zerk fitting on the end of the bolt as well.

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Answer 11

We do have replacement wet bolts for your Dexter E-Z Flex Suspension Kit - Double-Eye Springs - Tandem Axle - 6,000 lbs #K71-652-00. What you need is the Step Wet Bolt for 1-3/4" Double Eye Springs #34007-187-00.

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Answer 12

The U-bolts of the U-Bolt Kit part #APUBR-9 are Grade 5. The torque specs for 9/16 diameter U-bolts like this is 65-95 ft lbs.

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Can 4,000 lb Leaf Springs Be Used with 3,500 lb Trailer Axle

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