What Axle Capacity Leaf Spring to Increase Spring Capacity of 2018 Keystone Raptor 353TS

Question

Question:

I have a 2018 keystone raptor 353ts. It has 2 7000 pound axles under it. The springs are going flat. My question is I want to put little heavier sring to prevent this again. So if my math is right 4500x4 18,000. Is that correct of how Im reading the info on springs

asked by: Matt A

0

Expert Reply:

Our trailer leaf springs are listed by the axle capacity so since you have 7k axles you would need springs like the 8k axle springs part # DX74XR since you are wanting to increase the spring rate a bit. These are 24-7/8 inch in length and only option in this capacity. If you have a different length spring currently you would need to move the hangers.

expert reply by: Jameson C

0

Answer 1

For a replacement leaf spring you need to know your axle capacity as well as the length of your current leaf springs. You will need to measure from center of one eye to center of other eye on your leaf spring that isn't broken. Since these are…

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Answer 2

Yes, our Dexter leaf spring part #DX74XR is the same as the part number 072-079-00. This is a 7-leaf spring for an 8,000 lb trailer axle that is 24-7/8 inches.

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Answer 3

Absolutely, the Dexter leaf spring part 072-098-00 is a double eye spring, designed for 7,000 lb axles, with a 25-1/4" eye to eye measurement. The closest leaf spring we have to that is the Double-Eye Spring part #SP-198275 which is a double eye…

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Answer 4

For 7k axle leaf springs like what the Dexter axle part #8327860 you referenced is designed to fit you'd want the part #DX74XR which is for a 8k axle like what you almost have but would work great still even though it's a little more capacity…

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Answer 5

It seems like it wouldn't be a terrible idea to go with a higher rated leaf spring on your trailer. To pick that out that I would need to know the length of your current spring unless you were willing to move hangers which your mechanic might be…

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Answer 6

When it comes to The 7-Leaf Double-Eye Spring for 4,000-pound Trailer Axles - 24-7/8 inch Long #DX74XR it is rated for a 4,000 pound axle. Each spring has a 2,000 pound capacity. So two springs per axle will give you a 4,000 pound capacity. The…

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Answer 7

I checked directly with Dexter, and from what I saw they have a measurement - taken from center of spring eye to center of spring eye - of 24.8", which is the same as our 24-7/8" measurement for the 7-Leaf Double-Eye Spring for 8,000-lb…

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Answer 8

If your 2021 Grand Design Solitude 375RES is loaded when you're taking that measurement then yes, that would be why you're seeing a difference in the length from what you're measuring and what we have listed for the 7-Leaf Double-Eye…

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Answer 9

The manufacturer of the TruRyde bearing and seals we carry like what come in the kit #BK2-100 is TRP International.

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Answer 10

I was able to cross reference the Dexter part number 031-17-02 to a #14125A bearing and part 031-030-02 to a #25580 bearing, and we do have these replacement parts with a grease seal in a complete kit for you. For a replacement bearing/race/seal kit,…

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Answer 11

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 12

To correctly measure a leaf spring, you'll want to jack the trailer up on jack stands so the axle is hanging freely, then measure directly across from the center of one spring eye to the other, as shown in the provided diagram. The height of the…

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What Axle Capacity Leaf Spring to Increase Spring Capacity of 2018 Keystone Raptor 353TS

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